Research Topics
Genomes and Genes | Tung Kung WuSummaryAffiliation: National Chiao Tung University Country: Taiwan Publications
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Publications
Saccharomyces cerevisiae oxidosqualene-lanosterol cyclase: a chemistry-biology interdisciplinary study of the protein's structure-function-reaction mechanism relationshipsTung Kung Wu
Department of Biological Science and Technology, National Chiao Tung University, 75, Po Ai Street, Hsin Chu 300, Taiwan, ROC
Chem Rec 8:302-25. 2008....
Importance of Saccharomyces cerevisiae oxidosqualene-lanosterol cyclase tyrosine 707 residue for chair-boat bicyclic ring formation and deprotonation reactionsTung Kung Wu
Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin Chu, Taiwan, Republic of China
Org Lett 10:4959-62. 2008....
Protein plasticity: a single amino acid substitution in the Saccharomyces cerevisiae oxidosqualene-lanosterol cyclase generates protosta-13(17),24-dien-3beta-ol, a rearrangement productTung Kung Wu
Department of Biological Science and Technology, Institute of Molecular Science, National Chiao Tung University, Hsin Chu, Taiwan, ROC
Org Lett 10:2529-32. 2008..The results suggest that Phe699Thr mutation is likely to affect the C-17 cation stabilization during the rearrangement process...
Identification of a Vibrio furnissii oligopeptide permease and characterization of its in vitro hemolytic activityTung Kung Wu
Department of Biological Science and Technology, National Chiao Tung University, Hsin Chu, Taiwan, 300, Republic of China
J Bacteriol 189:8215-23. 2007..Finally, the in vitro hemolytic activity was also confirmed with homologous ATP-binding cassette-type transporter proteins from other Vibrio species...
Mutation of isoleucine 705 of the oxidosqualene-lanosterol cyclase from Saccharomyces cerevisiae affects lanosterol's C/D-ring cyclization and 17α/β-exocyclic side chain stereochemistryTung Kung Wu
Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin Chu, Taiwan, Republic of China
Org Biomol Chem 9:1092-7. 2011..These results indicated the importance of the Ile705 residue in affecting lanosterol's C/D ring stabilization including 6-6-5 tricyclic and protosteryl C-17 cations and 17α/β-exocyclic side chain stereochemistry...
Phenylalanine 445 within oxidosqualene-lanosterol cyclase from Saccharomyces cerevisiae influences C-Ring cyclization and deprotonation reactionsTung Kung Wu
Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin Chu, Taiwan, Republic of China
Org Lett 8:4691-4. 2006....
Site-saturated mutagenesis of histidine 234 of Saccharomyces cerevisiae oxidosqualene-lanosterol cyclase demonstrates dual functions in cyclization and rearrangement reactionsTung Kung Wu
Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin Chu, Taiwan Republic of China
J Am Chem Soc 128:6414-9. 2006..Specifically, subtle changes in the active site affect both the stability of the cation-pi interaction and generate product diversity...
Histidine residue at position 234 of oxidosqualene-lanosterol cyclase from saccharomyces cerevisiae simultaneously influences cyclization, rearrangement, and deprotonation reactionsTung-Kung Wu
Department of Biological Science and Technology, Center for Interdisciplinary Molecular Science, National Chiao Tung University, 300 Hsin-Chu, Taiwan, Republic of China
Chembiochem 6:1177-81. 2005
Enzymatic formation of multiple triterpenes by mutation of tyrosine 510 of the oxidosqualene-lanosterol cyclase from Saccharomyces cerevisiaeTung-Kung Wu
Department of Biological Science and Technology, Center for Interdisciplinary Molecular Science, National Chiao Tung University, 300, Hsin-Chu, Taiwan, Republic of China
Chembiochem 5:1712-5. 2004
Purification, tandem mass characterization, and inhibition studies of oxidosqualene-lanosterol cyclase enzyme from bovine liverTung Kung Wu
Department of Biological Science and Technology, National Chiao Tung University, 300 Hsin Chu, Taiwan, China
Arch Biochem Biophys 421:42-53. 2004..The stoichiometry of histidine modification and the extent of inactivation showed that two essential histidine residues per active site are necessary for complete bovine liver OSC activity...
Alteration of the substrate's prefolded conformation and cyclization stereochemistry of oxidosqualene-lanosterol cyclase of Saccharomyces cerevisiae by substitution at phenylalanine 699Tung Kung Wu
Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin Chu, Taiwan, Republic of China
Org Lett 12:500-3. 2010....
Crystal structure and mutational analysis of aminoacylhistidine dipeptidase from Vibrio alginolyticus reveal a new architecture of M20 metallopeptidasesChin Yuan Chang
Department of Biological Science and Technology, National Chiao Tung University, Hsinchu 30010, Taiwan
J Biol Chem 285:39500-10. 2010....
Site-directed mutations of thermostable direct hemolysin from Grimontia hollisae alter its arrhenius effect and biophysical propertiesYu Kuo Wang
Department of Biological Science and Technology, National Chiao Tung University, 30068, Hsin Chu, Taiwan, Republic of China
Int J Biol Sci 7:333-46. 2011..Consistent with the observation is the conformational change of the proteins from native globular form into fibrillar form, as determined by Congo red experiments and transmission electron microscopy...
Photoactivation studies of zinc porphyrin-myoglobin system and its application for light-chemical energy conversionChin Hao Chang
Department of Biological Science and Technology, National Chiao Tung University, Hsin Chu, Taiwan, Republic of China
Int J Biol Sci 7:1203-13. 2011....
Conversion of a plant oxidosqualene-cycloartenol synthase to an oxidosqualene-lanosterol cyclase by random mutagenesisTung Kung Wu
Department of Biological Science and Technology, National Chiao Tung University, Hsin Chu, 300, Taiwan, Republic of China
Biochemistry 41:8238-44. 2002..Sequence and structural homology modeling of CAS indicate that the observed product specificity-altering mutations occur both within (Tyr410Cys, Ile481Thr, and Tyr532His) and outside of (Ala469Val and His477Tyr) the cyclase active site...
Expression and characterization of the biofilm-related and carnosine-hydrolyzing aminoacylhistidine dipeptidase from Vibrio alginolyticusTing Yi Wang
Department of Biological Science and Technology, National Chiao Tung University, Hsin Chu, Taiwan, China
FEBS J 275:5007-20. 2008..Taken together, these results may facilitate the design of PepD inhibitors for application in antimicrobial treatment and antibody-directed enzyme prodrug therapy...
The cysteine 703 to isoleucine or histidine mutation of the oxidosqualene-lanosterol cyclase from Saccharomyces cerevisiae generates an iridal-type triterpenoidCheng Hsiang Chang
Department of Biological Science and Technology, National Chiao Tung University, 300 Hsin Chu, Taiwan
Biochimie 94:2376-81. 2012....
Protein Engineering of Saccharomyces cerevisiae Oxidosqualene-Lanosterol Cyclase into Parkeol SynthaseYuan Ting Liu
Department of Biological Science and Technology, National Chiao Tung University, 300, Hsin Chu, Taiwan, Republic of China
Org Lett 14:5222-5. 2012..cerevisiae...
Purification, crystallization and preliminary X-ray analysis of a thermostable direct haemolysin from Grimontia hollisaeYu Kuo Wang
Department of Biological Science and Technology, National Chiao Tung University, Hsin Chu, Taiwan
Acta Crystallogr Sect F Struct Biol Cryst Commun 67:224-7. 2011..4 and 2.3 Å(3) Da(-1), respectively. These crystals were suitable for structure determination, which would yield structural details related to the cytotoxicity and oligomeric structure of this pore-forming toxin...
Modified colorimetric assay for uricase activity and a screen for mutant Bacillus subtilis uricase genes following StEP mutagenesisSu-Hua Huang
Department of Biological Science and Technology, National Chiao Tung University, Hsin-Chu, Taiwan, Republic of China
Eur J Biochem 271:517-23. 2004..1 U.mg(-1)). Finally, the modified colorimetric method is much more efficient than the conventional ones and greatly reduces assay time from 4 days to less than 20 h...
Tryptophan 232 within oxidosqualene-lanosterol cyclase from Saccharomyces cerevisiae influences rearrangement and deprotonation but not cyclization reactionsTung-Kung Wu
Department of Biological Science and Technology and Department of Applied Chemistry, National Chiao Tung University, 300 Hsin-Chu, Taiwan, Republic of China
Org Lett 8:1319-22. 2006..Overall, Trp232 plays a catalytic role in the influence of rearrangement process and determination of deprotonation position but does not involve intervention in the cyclization steps...
Purification and properties of a novel phenolic antioxidant from Radix astragali fermented by Aspergillus oryzae M29I Chuan Sheih
Department of Food Science and Biotechnology, National Chung Hsing University, 250 Kuokuang Road, Taichung 40227, Taiwan, Republic of China
J Agric Food Chem 59:6520-5. 2011..These data demonstrated that the solid-state bioprocessing strategy could be an innovative approach to enhance the antioxidant activity of RA...
Poison exposure and outcome of children admitted to a pediatric emergency departmentYan Ren Lin
Department of Emergency Medicine, Changhua Christian Hospital, Changhua, Taiwan, China
World J Pediatr 7:143-9. 2011..This paper reports the characteristics, outcomes and clinical features of children with poisoning treated at an emergency department (ED)...
Ultrafast relaxation of zinc protoporphyrin encapsulated within apomyoglobin in buffer solutionsLiyang Luo
Department of Applied Chemistry and Institute of Molecular Science, National Chiao Tung University, Hsinchu 30010, Taiwan
J Phys Chem B 111:7656-64. 2007..The transfer of energy through bonds might lead the dative bond to break, which explains our observation of the degradation of ZnPP-Mb samples in UV-vis and CD spectra upon protracted excitation...
Antioxidant properties of a new antioxidative peptide from algae protein waste hydrolysate in different oxidation systemsI Chuan Sheih
Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, Taiwan, ROC
Bioresour Technol 100:3419-25. 2009..These results demonstrate that inexpensive algae protein waste could be a new alternative to produce antioxidative peptides...
Purification, crystallization and preliminary X-ray analysis of an aminoacylhistidine dipeptidase (PepD) from Vibrio alginolyticusChin Yuan Chang
Department of Biological Science and Technology, National Chiao Tung University, Hsinchu, Taiwan
Acta Crystallogr Sect F Struct Biol Cryst Commun 65:216-8. 2009..42, c = 303.11 A. The crystal contained two molecules per asymmetric unit and the predicted solvent content was 53.4%...
