dsbA

Summary

Gene Symbol: dsbA
Description: periplasmic protein disulfide isomerase I
Alias: ECK3852, JW3832, dsf, iarA, ppfA
Species:

Top Publications

  1. ncbi The DsbA signal sequence directs efficient, cotranslational export of passenger proteins to the Escherichia coli periplasm via the signal recognition particle pathway
    Clark F Schierle
    Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA
    J Bacteriol 185:5706-13. 2003
  2. ncbi In vivo substrate specificity of periplasmic disulfide oxidoreductases
    Annie Hiniker
    Program in Cellular and Molecular Biology, University of Michigan, 830 N University, Ann Arbor, MI 48109 1048, USA
    J Biol Chem 279:12967-73. 2004
  3. ncbi Building bridges: disulphide bond formation in the cell
    J C Bardwell
    Institut fur Biophysik und Physikalische Biochemie, Universitat Regensburg, Germany
    Mol Microbiol 14:199-205. 1994
  4. ncbi A selection for mutants that interfere with folding of Escherichia coli thioredoxin-1 in vivo
    Damon Huber
    Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, MA 02115, USA
    Proc Natl Acad Sci U S A 102:18872-7. 2005
  5. ncbi Identification of a protein required for disulfide bond formation in vivo
    J C Bardwell
    Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, Massachusetts 02115
    Cell 67:581-9. 1991
  6. ncbi Snapshots of DsbA in action: detection of proteins in the process of oxidative folding
    Hiroshi Kadokura
    Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, MA 02115, USA
    Science 303:534-7. 2004
  7. ncbi Engineered DsbC chimeras catalyze both protein oxidation and disulfide-bond isomerization in Escherichia coli: Reconciling two competing pathways
    Laura Segatori
    Department of Chemical Engineering, University of Texas, Austin, 78712, USA
    Proc Natl Acad Sci U S A 101:10018-23. 2004
  8. ncbi Characterization of the menaquinone-dependent disulfide bond formation pathway of Escherichia coli
    Yoh hei Takahashi
    Institute for Virus Research, Kyoto University, Sakyo ku, Kyoto 606 8507, Japan
    J Biol Chem 279:47057-65. 2004
  9. ncbi Structure of circularly permuted DsbA(Q100T99): preserved global fold and local structural adjustments
    Babu A Manjasetty
    Forschungsgruppe Kristallographie, Max Delbruck Centrum fur Molekulare Medizin, D 13092 Berlin, Germany
    Acta Crystallogr D Biol Crystallogr 60:304-9. 2004
  10. ncbi The unusual transmembrane electron transporter DsbD and its homologues: a bacterial family of disulfide reductases
    Amir Porat
    Department of Microbiology and Molecular Genetics, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115, USA
    Res Microbiol 155:617-22. 2004

Scientific Experts

  • Kenji Inaba
  • Hiroshi Kadokura
  • Goran Malojcic
  • Khar Heng Choo
  • Joris Messens
  • J Pogliano
  • J Hennecke
  • Hong Yu Hu
  • Klaus Maskos
  • A P Pugsley
  • Koreaki Ito
  • James C A Bardwell
  • Annie Hiniker
  • J C Bardwell
  • Jon Beckwith
  • Jean Francois Collet
  • Rudi Glockshuber
  • Jean-Francois Collet
  • L W Guddat
  • Damon Huber
  • S J Stafford
  • Rachel J Dutton
  • Yunho Lee
  • Yuan Zhang
  • Didier Vertommen
  • Daniele Narzi
  • Holger Thie
  • Jonathan L Pan
  • Eva Maria Strauch
  • Timothy L Tapley
  • Joanna Skorko-Glonek
  • George Georgiou
  • Mehmet Berkmen
  • Dana Boyd
  • Nobuyuki Shimohata
  • Jacqueline Tan
  • T Zander
  • Joanna Skórko-Glónekv
  • J Beckwith
  • Babu A Manjasetty
  • Laura Segatori
  • Yoh hei Takahashi
  • J L Martin
  • Jacqueline T Tan
  • Amir Porat
  • Lars I Leichert
  • James W A Allen
  • Clark F Schierle
  • Bérengère Ize
  • Ulla Grauschopf
  • Bjorn Philipps
  • Qi Li
  • M W Bader
  • A Guigueno
  • H Tian
  • L Debarbieux
  • P A Lund
  • P Belin
  • Zhu-Wei Xu
  • Zhu wei Xu
  • John P A Grimshaw
  • Thomas Schirrmann
  • Rainer A Böckmann
  • Sujin Yeom
  • Bo-Quan Jin
  • Shirley W I Siu
  • Laurent Knoops
  • Younghoon Kim
  • Matthieu Depuydt
  • Guido Capitani
  • P Genevaux
  • Jean Pierre Szikora
  • Matthias Paschke
  • Jean-Pierre Szikora
  • Christian U Stirnimann
  • Michael Hust
  • Inga Sliskovic
  • Saehun Kim
  • Che Ok Jeon
  • Pauline Leverrier
  • Ran Zhuang
  • Sungsu Park
  • Woojun Park
  • Stefan Dubel
  • Jonathan Pan
  • Bo Quan Jin
  • Eva-Maria Strauch
  • Timo Eichner
  • David P Ballou
  • Stefan Gleiter

Detail Information

Publications72

  1. ncbi The DsbA signal sequence directs efficient, cotranslational export of passenger proteins to the Escherichia coli periplasm via the signal recognition particle pathway
    Clark F Schierle
    Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA
    J Bacteriol 185:5706-13. 2003
    ..protein thioredoxin 1 can be efficiently exported to the periplasmic space by the signal sequence of the DsbA protein (DsbAss) but not by the signal sequence of alkaline phosphatase (PhoA) or maltose binding protein (MBP)...
  2. ncbi In vivo substrate specificity of periplasmic disulfide oxidoreductases
    Annie Hiniker
    Program in Cellular and Molecular Biology, University of Michigan, 830 N University, Ann Arbor, MI 48109 1048, USA
    J Biol Chem 279:12967-73. 2004
    ..coli periplasmic disulfide oxidoreductases, including the well characterized oxidase DsbA, has not yet been performed...
  3. ncbi Building bridges: disulphide bond formation in the cell
    J C Bardwell
    Institut fur Biophysik und Physikalische Biochemie, Universitat Regensburg, Germany
    Mol Microbiol 14:199-205. 1994
    ..Disulphide bond formation in Escherichia coli is catalysed by at least three 'Dsb' proteins; DsbA, -B and -C...
  4. ncbi A selection for mutants that interfere with folding of Escherichia coli thioredoxin-1 in vivo
    Damon Huber
    Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, MA 02115, USA
    Proc Natl Acad Sci U S A 102:18872-7. 2005
    ..When exported to the periplasm, it can partially replace the activity of DsbA in promoting the formation of disulfide bonds...
  5. ncbi Identification of a protein required for disulfide bond formation in vivo
    J C Bardwell
    Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, Massachusetts 02115
    Cell 67:581-9. 1991
    We describe a mutation (dsbA) that renders Escherichia coli severely defective in disulfide bond formation. In dsbA mutant cells, pulse-labeled beta-lactamase, alkaline phosphatase, and OmpA are secreted but largely lack disulfide bonds...
  6. ncbi Snapshots of DsbA in action: detection of proteins in the process of oxidative folding
    Hiroshi Kadokura
    Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, MA 02115, USA
    Science 303:534-7. 2004
    b>DsbA, a thioredoxin superfamily member, introduces disulfide bonds into newly translocated proteins. This process is thought to occur via formation of mixed disulfide complexes between DsbA and its substrates...
  7. ncbi Engineered DsbC chimeras catalyze both protein oxidation and disulfide-bond isomerization in Escherichia coli: Reconciling two competing pathways
    Laura Segatori
    Department of Chemical Engineering, University of Texas, Austin, 78712, USA
    Proc Natl Acad Sci U S A 101:10018-23. 2004
    In the Escherichia coli periplasm, the formation of protein disulfide bonds is catalyzed by DsbA and DsbC...
  8. ncbi Characterization of the menaquinone-dependent disulfide bond formation pathway of Escherichia coli
    Yoh hei Takahashi
    Institute for Virus Research, Kyoto University, Sakyo ku, Kyoto 606 8507, Japan
    J Biol Chem 279:47057-65. 2004
    ..In the protein disulfide-introducing system of Escherichia coli, plasma membrane-integrated DsbB oxidizes periplasmic DsbA, the primary disulfide donor...
  9. ncbi Structure of circularly permuted DsbA(Q100T99): preserved global fold and local structural adjustments
    Babu A Manjasetty
    Forschungsgruppe Kristallographie, Max Delbruck Centrum fur Molekulare Medizin, D 13092 Berlin, Germany
    Acta Crystallogr D Biol Crystallogr 60:304-9. 2004
    The thiol-disulfide oxidoreductase DsbA is required for efficient formation of disulfide bonds in the Escherichia coli periplasm...
  10. ncbi The unusual transmembrane electron transporter DsbD and its homologues: a bacterial family of disulfide reductases
    Amir Porat
    Department of Microbiology and Molecular Genetics, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115, USA
    Res Microbiol 155:617-22. 2004
    ..Its substrates include protein disulfide isomerases and a protein involved in cytochrome c assembly. Two membrane-embedded cysteines in DsbD alternate between the disulfide-bonded (oxidized) and reduced states in this process...
  11. ncbi Disulfide bond formation system in Escherichia coli
    Kenji Inaba
    Division of Protein Chemistry, Post Genome Science Center, Medical Institute of Bioregulation, Kyushu University, 3 1 1 Maidashi, Higashi ku, Fukuoka 812 8582, Japan
    J Biochem 146:591-7. 2009
    ..Coexisting in the periplasm of Escherichia coli are the DsbA-DsbB disulfide-introducing and DsbC-DsbD disulfide-isomerizing pathways, which promote the oxidative folding of ..
  12. ncbi DsbB elicits a red-shift of bound ubiquinone during the catalysis of DsbA oxidation
    Kenji Inaba
    Institute for Virus Research, Kyoto University, Kyoto 606 8507, Japan
    J Biol Chem 279:6761-8. 2004
    DsbB is an Escherichia coli plasma membrane protein that reoxidizes the Cys30-Pro-His-Cys33 active site of DsbA, the primary dithiol oxidant in the periplasm...
  13. ncbi A cytochrome b562 variant with a c-type cytochrome CXXCH heme-binding motif as a probe of the Escherichia coli cytochrome c maturation system
    James W A Allen
    Department of Biochemistry, University of Oxford, South Parks Road, Oxford OX1 3QU, United Kingdom
    J Biol Chem 278:52075-83. 2003
    ..coli strains deficient in the periplasmic reductant DsbD or oxidant DsbA. In the DsbA- strain under aerobic conditions, c-type cytochromes were made abundantly and correctly when the Ccm ..
  14. ncbi Mechanism of the electron transfer catalyst DsbB from Escherichia coli
    Ulla Grauschopf
    Institut fur Molekularbiologie und Biophysik, Eidgenossische Technische Hochschule Honggerberg, CH 8093 Zurich, Switzerland
    EMBO J 22:3503-13. 2003
    ..coli is essential for disulfide bond formation and catalyses the oxidation of the periplasmic dithiol oxidase DsbA by ubiquinone. DsbB contains two catalytic disulfide bonds, Cys41-Cys44 and Cys104-Cys130...
  15. ncbi Role of the Escherichia coli Tat pathway in outer membrane integrity
    Bérengère Ize
    Department of Molecular Microbiology, John Innes Centre, Norwich NR4 7UH, UK
    Mol Microbiol 48:1183-93. 2003
    ..The presence of genes encoding amidases with twin-arginine signal sequences in the genomes of other Gram-negative bacteria suggests that a similar cell envelope defect may be a common feature of tat mutant strains...
  16. ncbi Disulfide bond isomerization in prokaryotes
    Annie Hiniker
    Medical Scientist Training Program, University of Michigan Medical School, Ann Arbor, Michigan 48109, USA
    Biochemistry 42:1179-85. 2003
  17. ncbi [Redox properties and conformational changes of DsbA protein from Escherichia coli periplasm]
    Qi Li
    Institute of Biochemistry and Cell Biology, Shanghai Institutes for Biological Sciences, The Chinese Academy of Sciences, Shanghai 200031, China
    Sheng Wu Hua Xue Yu Sheng Wu Wu Li Xue Bao (Shanghai) 34:583-8. 2002
    b>DsbA protein, a disulfide bond enzyme in Escherichia coli periplasm, catalyzes mainly disulfide bond formation of proteins...
  18. ncbi Protein thiol modifications visualized in vivo
    Lars I Leichert
    Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, Michigan, USA
    PLoS Biol 2:e333. 2004
    ..thiols were periplasmic proteins and were found to be in vivo substrates of the disulfide-bond-forming protein DsbA. We discovered a substantial number of redox-sensitive cytoplasmic proteins, whose thiol groups were significantly ..
  19. ncbi Key players involved in bacterial disulfide-bond formation
    Jacqueline T Tan
    Department of Molecular, Cellular, and Developmental Biology, University of Michigan, 830 North University, Ann Arbor, MI 48109, USA
    Chembiochem 5:1479-87. 2004
  20. ncbi Mutational analysis of the disulfide catalysts DsbA and DsbB
    Jacqueline Tan
    Department of Molecular and Cellular Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA
    J Bacteriol 187:1504-10. 2005
    In prokaryotes, disulfides are generated by the DsbA-DsbB system. DsbB functions to generate disulfides by quinone reduction. These disulfides are passed to the DsbA protein and then to folding proteins...
  21. ncbi Preparation and structure of the charge-transfer intermediate of the transmembrane redox catalyst DsbB
    Goran Malojcic
    ETH Zurich, Institute of Molecular Biology and Biophysics, CH 8093 Zurich, Switzerland
    FEBS Lett 582:3301-7. 2008
    ..In bacteria, disulfide bonds are introduced by the periplasmic dithiol oxidase DsbA, which transfers its catalytic disulfide bond to folding polypeptides...
  22. ncbi Bacterial species exhibit diversity in their mechanisms and capacity for protein disulfide bond formation
    Rachel J Dutton
    Department of Microbiology and Molecular Genetics, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115, USA
    Proc Natl Acad Sci U S A 105:11933-8. 2008
    ....
  23. ncbi SRP and Sec pathway leader peptides for antibody phage display and antibody fragment production in E. coli
    Holger Thie
    Technische Universitat Braunschweig, Institut für Biochemie und Biotechnologie, Abteilung Biotechnologie, Spielmannstr 7, 38106 Braunschweig, Germany
    N Biotechnol 25:49-54. 2008
    ..Four leader peptides using the Sec pathway (PelB, OmpA, PhoA and pIII) and three using the SRP pathway (DsbA, TorT and TolB) were compared...
  24. ncbi Mutants in DsbB that appear to redirect oxidation through the disulfide isomerization pathway
    Jonathan L Pan
    Howard Hughes Medical Institute, University of Michigan, Ann Arbor, MI 48109, USA
    J Mol Biol 377:1433-42. 2008
    Disulfide bond formation occurs in secreted proteins in Escherichia coli when the disulfide oxidoreductase DsbA, a soluble periplasmic protein, nonspecifically transfers a disulfide to a substrate protein...
  25. ncbi Modeling Escherichia coli signal peptidase complex with bound substrate: determinants in the mature peptide influencing signal peptide cleavage
    Khar Heng Choo
    Institute for Infocomm Research, 21 Heng Mui Keng Terrace, Singapore 119613
    BMC Bioinformatics 9:S15. 2008
    ..We report here a structure-based model for Escherichia coli DsbA 13-25 in complex with its endogenous type I SPase.
  26. ncbi The role of disulfide bond isomerase A (DsbA) of Escherichia coli O157:H7 in biofilm formation and virulence
    Yunho Lee
    FEMS Microbiol Lett 278:213-22. 2008
    The role of periplasmic disulfide oxidoreductase DsbA in Shiga toxin-producing Escherichia coli O157:H7 (STEC) was investigated. Deletion of dsbA (DeltadsbA) significantly decreased cell motility and alkaline phosphatase activity in STEC...
  27. ncbi A bacterial two-hybrid system based on the twin-arginine transporter pathway of E. coli
    Eva Maria Strauch
    Department of Chemistry and Biochemistry, University of Texas, Austin, Texas 78712, USA
    Protein Sci 16:1001-8. 2007
    ..In addition, we introduce the use of the cysteine disulfide oxidase DsbA as a reporter...
  28. ncbi Kinetic characterization of the disulfide bond-forming enzyme DsbB
    Timothy L Tapley
    Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor Michigan 48109, USA
    J Biol Chem 282:10263-71. 2007
    ..In the process of transferring electrons from DsbA to a tightly bound ubiquinone cofactor, DsbB undergoes an unusual spectral transition at approximately 510 nm...
  29. ncbi Characterization of disulfide exchange between DsbA and HtrA proteins from Escherichia coli
    Joanna Skorko-Glonek
    Department of Biochemistry, University of Gdansk, Gdansk, Poland
    Acta Biochim Pol 53:585-9. 2006
    b>DsbA is the major oxidase responsible for generation of disulfide bonds in proteins of E. coli envelope...
  30. ncbi [Periplasmatic disulfide oxidoreductases from bacterium Escherichia coli--their structure and function]
    Joanna Skórko-Glónekv
    Department of Biochemistry, Insitute of Biology, University of Gdansk, 24 Kladki St, 80 822 Gdansk, Poland
    Postepy Biochem 51:459-67. 2005
    ..These proteins function in two separate pathways: (1) oxidizing (DsbA/DsbB system), responsible for introducing S-S bonds, and (2) reducing (DsbC/DsbD system, DsbG, CcmG and CcmH) which ..
  31. ncbi Copper stress causes an in vivo requirement for the Escherichia coli disulfide isomerase DsbC
    Annie Hiniker
    Program in Cellular and Molecular Biology, University of Michigan, 48109 1048, USA
    J Biol Chem 280:33785-91. 2005
    In Escherichia coli, the periplasmic disulfide oxidoreductase DsbA is thought to be a powerful but nonspecific oxidant, joining cysteines together the moment they enter the periplasm...
  32. ncbi Detecting folding intermediates of a protein as it passes through the bacterial translocation channel
    Hiroshi Kadokura
    Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, MA 02115, USA
    Cell 138:1164-73. 2009
    ..cotranslational and posttranslational folding intermediates of a periplasmic protein in which the protein and DsbA, a periplasmic disulfide bond-forming enzyme, are covalently linked by a disulfide bond...
  33. ncbi Peculiar properties of DsbA in its export across the Escherichia coli cytoplasmic membrane
    Nobuyuki Shimohata
    Institute for Virus Research, Kyoto University, Kyoto 606 8507, Japan
    J Bacteriol 187:3997-4004. 2005
    Export of DsbA, a protein disulfide bond-introducing enzyme, across the Escherichia coli cytoplasmic membrane was studied with special reference to the effects of various mutations affecting translocation factors...
  34. ncbi Randomization of the entire active-site helix alpha 1 of the thiol-disulfide oxidoreductase DsbA from Escherichia coli
    Bjorn Philipps
    Institut fur Molekularbiologie und Biophysik, Eidgenossische Technische Hochschule Honggerberg, CH 8093 Zurich, Switzerland
    J Biol Chem 277:43050-7. 2002
    b>DsbA from Escherichia coli is the most oxidizing member of the thiol-disulfide oxidoreductase family (E(o)' = -122 mV) and is required for efficient disulfide bond formation in the periplasm...
  35. ncbi Paradoxical redox properties of DsbB and DsbA in the protein disulfide-introducing reaction cascade
    Kenji Inaba
    Institute for Virus Research, Japan Science and Technology Corporation, Kyoto University, Kyoto 606 8507, Japan
    EMBO J 21:2646-54. 2002
    ..redox properties of the redox active sites in DsbB to gain further insights into the catalytic mechanisms of DsbA oxidation. The standard redox potential of DsbB was determined to be -0...
  36. ncbi Oxidative protein folding in bacteria
    Jean Francois Collet
    Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI 48109 1048, USA
    Mol Microbiol 44:1-8. 2002
    ..Disulphide bonds are donated directly to unfolded polypeptides by the DsbA protein; DsbA is reoxidized by DsbB. DsbB generates disulphides de novo from oxidized quinones...
  37. ncbi A mutation in the dsbA gene coding for periplasmic disulfide oxidoreductase reduces transcription of the Escherichia coli ompF gene
    A P Pugsley
    Unité de Génétique Moléculaire CNRS URA 1149, Institut Pasteur, Paris, France
    Mol Gen Genet 237:407-11. 1993
    An insertion mutation in the Escherichia coli dsbA gene, coding for periplasmic disulfide oxidoreductase, dramatically reduces the level of OmpF porin protein in the cell envelope...
  38. ncbi A pathway for disulfide bond formation in vivo
    J C Bardwell
    Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, MA 02115
    Proc Natl Acad Sci U S A 90:1038-42. 1993
    Protein disulfide bond formation in Escherichia coli requires the periplasmic protein DsbA. We describe here mutations in the gene for a second protein, DsbB, which is also necessary for disulfide bond formation...
  39. ncbi Crystal structure of the DsbA protein required for disulphide bond formation in vivo
    J L Martin
    Rockefeller University, New York, New York
    Nature 365:464-8. 1993
    ..The folding of such proteins is greatly accelerated in Escherichia coli by DsbA, but the mechanism of this rate enhancement is not well understood...
  40. ncbi The redox properties of protein disulfide isomerase (DsbA) of Escherichia coli result from a tense conformation of its oxidized form
    M Wunderlich
    Institut fur Biophysik und Physikalische Biochemie, Universitat Regensburg, Germany
    J Mol Biol 233:559-66. 1993
    Periplasmic protein disulfide isomerase (DsbA) from Escherichia coli is a strongly oxidizing thiol reagent with one catalytic disulfide bridge and an intrinsic redox potential of -0.089 V...
  41. ncbi A pleîotropic acid phosphatase-deficient mutant of Escherichia coli shows premature termination in the dsbA gene. Use of dsbA::phoA fusions to localize a structurally important domain in DsbA
    P Belin
    Departement d Ingenierie et d Etudes des Proteines, C E SACLAY, CEA, Gif sur Yvette, France
    Mol Gen Genet 242:23-32. 1994
    ..A DNA fragment that complements the mutation was cloned and shown to carry the dsbA gene, which encodes a periplasmic disulphide bond-forming factor...
  42. ncbi Bacterial protein disulfide isomerase: efficient catalysis of oxidative protein folding at acidic pH
    M Wunderlich
    Institut fur Biophysik und Physikalische Biochemie, Universitat Regensburg, Germany
    Biochemistry 32:12251-6. 1993
    Periplasmic protein disulfide isomerase (DsbA) is essential for disulfide formation in Escherichia coli...
  43. ncbi Reactivity and ionization of the active site cysteine residues of DsbA, a protein required for disulfide bond formation in vivo
    J W Nelson
    European Molecular Biology Laboratory, Heidelberg, Germany
    Biochemistry 33:5974-83. 1994
    b>DsbA is a periplasmic protein of Escherichia coli that appears to be the immediate donor of disulfide bonds to proteins that are secreted...
  44. ncbi PapD chaperone function in pilus biogenesis depends on oxidant and chaperone-like activities of DsbA
    F Jacob-Dubuisson
    Department of Molecular Microbiology, Washington University Medical School, St Louis, MO 63110 1093
    Proc Natl Acad Sci U S A 91:11552-6. 1994
    ..of uropathogenic Escherichia coli were not assembled by a strain that lacks the periplasmic disulfide isomerase DsbA. This defect was mostly attributed to the immunoglobulin-like pilus chaperone PapD, which possesses an unusual ..
  45. ncbi A mutation in either dsbA or dsbB, a gene encoding a component of a periplasmic disulfide bond-catalyzing system, is required for high-level expression of the Bacteroides fragilis metallo-beta-lactamase, CcrA, in Escherichia coli
    L E Alksne
    Department of Molecular Biology, American Cyanamid Company, Pearl River, New York 10965
    J Bacteriol 177:462-4. 1995
    ..Bacteroides fragilis is functionally expressed in Escherichia coli only in the presence of a genomic mutation in iarA or iarB (increased ampicillin resistance), identified in this study as dsbA or dsbB, respectively...
  46. ncbi Evidence that the pathway of disulfide bond formation in Escherichia coli involves interactions between the cysteines of DsbB and DsbA
    C Guilhot
    Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, MA 02115, USA
    Proc Natl Acad Sci U S A 92:9895-9. 1995
    ..This process involves at least two proteins: DsbA and DsbB...
  47. ncbi An essential role for DsbA in cytochrome c synthesis and formate-dependent nitrite reduction by Escherichia coli K-12
    R Metheringham
    School of Biochemistry, University of Birmingham, UK
    Arch Microbiol 164:301-7. 1995
    ..The mutation was localized by conjugation, transduction, and Southern blotting experiments to the dsbA gene at minute 87 on the E. coli chromosome and was complemented by the wild-type allele...
  48. ncbi Translocation of a folded protein across the outer membrane in Escherichia coli
    A P Pugsley
    Unité de Génétique Moléculaire, Centre National de la Recherche Scientifique URA1149, Institut Pasteur, Paris, France
    Proc Natl Acad Sci U S A 89:12058-62. 1992
    A mutation in the Escherichia coli dsbA gene (coding for a periplasmic disulfide oxidoreductase) reduces the rate of disulfide bond formation in the enzyme pullulanase and also reduces the rate at which the enzyme is secreted to the cell ..
  49. ncbi Mutants in disulfide bond formation that disrupt flagellar assembly in Escherichia coli
    F E Dailey
    Department of Cellular and Developmental Biology, Harvard University, Cambridge, MA 02138
    Proc Natl Acad Sci U S A 90:1043-7. 1993
    ..Cystine suppresses this defect in dsbB strains. We also show that dsbA strains [Bardwell, J. C. A., McGovern, K. & Beckwith, J...
  50. ncbi The reactive and destabilizing disulfide bond of DsbA, a protein required for protein disulfide bond formation in vivo
    A Zapun
    European Molecular Biology Labortory, Heidelberg, Germany
    Biochemistry 32:5083-92. 1993
    The protein DsbA facilitates disulfide bond formation in the periplasm of Escherichia coli. It has only two cysteine residues that are separated in the sequence by two other residues and are shown to form a disulfide bond reversibly...
  51. ncbi A mutant hunt for defects in membrane protein assembly yields mutations affecting the bacterial signal recognition particle and Sec machinery
    H Tian
    Department of Microbiology and Molecular Genetics, Harvard Medical School, 200 Longwood Avenue, Boston, MA 02115, USA
    Proc Natl Acad Sci U S A 97:4730-5. 2000
    ..The mutants defective in disulfide bond formation include additional classes of dsbA and dsbB mutations...
  52. ncbi Identification of Tn10 insertions in the dsbA gene affecting Escherichia coli biofilm formation
    P Genevaux
    Department of Molecular Microbiology, Faculty of Biology, Free University of Amsterdam, The Netherlands
    FEMS Microbiol Lett 173:403-9. 1999
    ..Three adhesion mutants harbored the transposon in the dsbA gene, whose product, DsbA, catalyses folding of numerous extracytoplasmic disulfide bond-containing proteins...
  53. ncbi On the functional interchangeability, oxidant versus reductant, of members of the thioredoxin superfamily
    L Debarbieux
    Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA
    J Bacteriol 182:723-7. 2000
    ..where it can also act as an oxidant, replacing the normal periplasmic catalyst of disulfide bond formation, DsbA, in oxidizing cell envelope proteins (L. Debarbieux and J. Beckwith, Proc. Natl. Acad. Sci...
  54. ncbi Mutagenic studies on human protein disulfide isomerase by complementation of Escherichia coli dsbA and dsbC mutants
    S J Stafford
    School of Biosciences, University of Birmingham, Edgbaston, UK
    FEBS Lett 466:317-22. 2000
    ..two simple in vivo assays for these activities of PDI, based on the demonstration that PDI can complement both a dsbA mutation and a dsbC mutation when expressed to the periplasm of Escherichia coli...
  55. ncbi Crystal structures of reduced and oxidized DsbA: investigation of domain motion and thiolate stabilization
    L W Guddat
    Centre for Drug Design and Development University of Queensland Brisbane, QLD, 4072, Australia
    Structure 6:757-67. 1998
    ..The bacterial protein-folding factor DsbA is the most oxidizing of the thioredoxin family...
  56. ncbi Disulfide bond catalysts in Escherichia coli
    T Zander
    Department of Biology, University of Michigan, Ann Arbor 48109, USA
    Methods Enzymol 290:59-74. 1998
  57. ncbi Oversynthesis of a new Escherichia coli small RNA suppresses export toxicity of DsbA'-PhoA unfoldable periplasmic proteins
    A Guigueno
    Departement d Ingenierie et d Etudes des Proteines, Commissariat a l Energie Atomique, 91191 Gif sur Yvette, France
    J Bacteriol 183:1147-58. 2001
    In Escherichia coli, the DsbA'-PhoA hybrid proteins carrying an unfoldable DsbA' fragment can be targeted to the envelope, where they exert their toxicity...
  58. ncbi The uncharged surface features surrounding the active site of Escherichia coli DsbA are conserved and are implicated in peptide binding
    L W Guddat
    Centre for Drug Design and Development, University of Queensland, Brisbane, Australia
    Protein Sci 6:1148-56. 1997
    b>DsbA is a protein-folding catalyst from the periplasm of Escherichia coli that interacts with newly translocated polypeptide substrate and catalyzes the formation of disulfide bonds in these secreted proteins...
  59. ncbi Catalysis of disulfide bond formation and isomerization in Escherichia coli
    M W Bader
    Department of Molecular Cellular and Developmental Biology, University of Michigan, Ann Arbor, Michigan 48109-1048, USA
    Adv Protein Chem 59:283-301. 2001
  60. ncbi Regulation of Escherichia coli cell envelope proteins involved in protein folding and degradation by the Cpx two-component system
    J Pogliano
    Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA
    Genes Dev 11:1169-82. 1997
    ..First, activation of the Cpx pathway induces 5- to 10-fold the synthesis of DsbA, required for disulfide bond formation, and DegP, a major periplasmic protease...
  61. ncbi Roles of cysteine residues of DsbB in its activity to reoxidize DsbA, the protein disulphide bond catalyst of Escherichia coli
    S Kishigami
    Department of Cell Biology, Institute for Virus Research, Kyoto University, Japan
    Genes Cells 1:201-8. 1996
    b>DsbA, a periplasmic protein, catalyses the disulphide bond formation of other cell surface proteins in E. coli...
  62. ncbi Mutations in dsbA and dsbB, but not dsbC, lead to an enhanced sensitivity of Escherichia coli to Hg2+ and Cd2+
    S J Stafford
    School of Biological Sciences, University of Birmingham, Edgbaston, UK
    FEMS Microbiol Lett 174:179-84. 1999
    ..Mutations in dsbA or dsbB, but not dsbC, increase the proportion of proteins with free thiols in the periplasm compared to wild-type...
  63. ncbi Generation of monoclonal antibodies against Escherichia coli DsbA
    Yuan Zhang
    Department of Immunology, Fourth Military Medical University, Xi an Shaanxi Province, PR China
    Hybridoma (Larchmt) 27:131-4. 2008
    Disulfide oxidoreductase A (also known as disulfide bond formation protein A, or DsbA) is produced in Escherichia coli (E...
  64. ncbi Evidence for proton shuffling in a thioredoxin-like protein during catalysis
    Daniele Narzi
    Theoretical and Computational Membrane Biology, Center for Bioinformatics, Saarland University, Box 15 11 50, D 66041 Saarbrucken, Germany
    J Mol Biol 382:978-86. 2008
    ..A consistent catalytic mechanism for DsbL, probably conferrable to other proteins of the same class, is presented. Our results suggest a functional role of hydration entropy of active-site groups...
  65. ncbi Identification and characterization of an Escherichia coli gene required for the formation of correctly folded alkaline phosphatase, a periplasmic enzyme
    S Kamitani
    Department of Cell Biology, Kyoto University, Japan
    EMBO J 11:57-62. 1992
    ..It was susceptible to degradation by proteases in vivo and in vitro. The wild-type counterpart of this gene (named ppfA) has been sequenced and shown to encode a periplasmic protein with a pair of potentially redox-active cysteine ..
  66. ncbi In vitro catalysis of oxidative folding of disulfide-bonded proteins by the Escherichia coli dsbA (ppfA) gene product
    Y Akiyama
    Institute for Virus Research, Kyoto University, Japan
    J Biol Chem 267:22440-5. 1992
    It was shown previously that the Escherichia coli gene ppfA (dsbA) encodes a periplasmic protein, and its inactivation leads to a deficiency in disulfide bond formation of envelope proteins (Kamitani, S., Akiyama, Y., and Ito, K...
  67. ncbi The disulphide isomerase DsbC cooperates with the oxidase DsbA in a DsbD-independent manner
    Didier Vertommen
    de Duve Institute, Universite Catholique de Louvain, B 1200 Brussels, Belgium
    Mol Microbiol 67:336-49. 2008
    In Escherichia coli, DsbA introduces disulphide bonds into secreted proteins. DsbA is recycled by DsbB, which generates disulphides from quinone reduction...
  68. ncbi Maturation pathway of Escherichia coli heat-stable enterotoxin I: requirement of DsbA for disulfide bond formation
    H Yamanaka
    Department of Biochemistry, Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Japan
    J Bacteriol 176:2906-13. 1994
    ..The involvement of DsbA in the formation of the disulfide bonds of STp was examined in this study...
  69. ncbi Crystal structure of the DsbB-DsbA complex reveals a mechanism of disulfide bond generation
    Kenji Inaba
    Institute for Virus Research, Kyoto University and CREST, Japan Science and Technology Agency, Kyoto 606 8507, Japan
    Cell 127:789-801. 2006
    ..DsbB is an E. coli membrane protein that oxidizes DsbA, a periplasmic dithiol oxidase...
  70. ncbi Structural analysis of three His32 mutants of DsbA: support for an electrostatic role of His32 in DsbA stability
    L W Guddat
    Centre for Drug Design and Development, University of Queensland, Brisbane, Australia
    Protein Sci 6:1893-900. 1997
    b>DsbA, a 21-kDa protein from Escherichia coli, is a potent oxidizing disulfide catalyst required for disulfide bond formation in secreted proteins...
  71. ncbi The sigma(E) and the Cpx signal transduction systems control the synthesis of periplasmic protein-folding enzymes in Escherichia coli
    P N Danese
    Department of Molecular Biology, Princeton University, New Jersey 08544, USA
    Genes Dev 11:1183-93. 1997
    ..Similarly, the Cpx system controls transcription of the dsbA locus, which encodes a periplasmic enzyme required for efficient disulfide bond formation in several ..
  72. ncbi Reactivities of quinone-free DsbB from Escherichia coli
    Kenji Inaba
    Institute for Virus Research, Kyoto University, and CREST of Japan Science and Technology Agency, Kyoto 606 8507, Japan
    J Biol Chem 280:33035-44. 2005
    ..and Cys104-Cys130, facing the periplasm, as well as the bound quinone molecules play crucial roles in oxidizing DsbA, the protein dithiol oxidant in the periplasm...