Hyungdon Yun

Summary

Affiliation: Yeungnam University
Country: Korea

Publications

  1. ncbi Deracemization of unnatural amino acid: homoalanine using D-amino acid oxidase and ω-transaminase
    Young Man Seo
    School of Biotechnology, Yeungnam University, Gyeongbuk, 712 749, South Korea
    Org Biomol Chem 10:2482-5. 2012
  2. ncbi Biosynthetic substitution of tyrosine in green fluorescent protein with its surrogate fluorotyrosine in Escherichia coli
    Niraikulam Ayyadurai
    School of Biotechnology, Yeungnam University, Gyeongsan, South Korea
    Biotechnol Lett 33:2201-7. 2011
  3. ncbi Kinetic resolution of aromatic β-amino acids by ω-transaminase
    Han Seop Bea
    School of Biotechnology, Yeungnam University, Gyeongbuk, 712 749, Korea
    Chem Commun (Camb) 47:5894-6. 2011
  4. ncbi Kinetic resolution of 3-fluoroalanine using a fusion protein of D-amino acid oxidase with Vitroscilla hemoglobin
    Young Man Seo
    School of Biotechnology, Yeungnam University, Japan
    Biosci Biotechnol Biochem 75:820-2. 2011
  5. ncbi Crystallization and preliminary X-ray crystallographic studies of β-transaminase from Mesorhizobium sp. strain LUK
    Bokyung Kim
    School of Biotechnology, Yeungnam University, Gyeongsan, Republic of Korea
    Acta Crystallogr Sect F Struct Biol Cryst Commun 67:231-3. 2011
  6. ncbi Asymmetric synthesis of (S)-alpha-methylbenzylamine by recombinant Escherichia coli co-expressing omega-transaminase and acetolactate synthase
    Hyungdon Yun
    School of Biotechnology, Yeungnam University, Gyeongbuk, Korea
    Biosci Biotechnol Biochem 72:3030-3. 2008
  7. ncbi A facile and efficient method for the incorporation of multiple unnatural amino acids into a single protein
    Niraikulam Ayyadurai
    School of Biotechnology, Yeungnam University, South Korea
    Chem Commun (Camb) 47:3430-2. 2011
  8. ncbi Bioconjugation of L-3,4-dihydroxyphenylalanine containing protein with a polysaccharide
    Niraikulam Ayyadurai
    School of Biotechnology, Yeungnam University, Gyeongsan, South Korea
    Bioconjug Chem 22:551-5. 2011
  9. ncbi Enzymatic synthesis of L-tert-leucine with branched chain aminotransferase
    Young Man Seo
    School of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk 712 749, Korea
    J Microbiol Biotechnol 21:1049-52. 2011

Collaborators

Detail Information

Publications9

  1. ncbi Deracemization of unnatural amino acid: homoalanine using D-amino acid oxidase and ω-transaminase
    Young Man Seo
    School of Biotechnology, Yeungnam University, Gyeongbuk, 712 749, South Korea
    Org Biomol Chem 10:2482-5. 2012
    ..A whole cell reaction using a biphasic system converted 500 mM racemic homoalanine to 485 mM L-homoalanine (>99% ee)...
  2. ncbi Biosynthetic substitution of tyrosine in green fluorescent protein with its surrogate fluorotyrosine in Escherichia coli
    Niraikulam Ayyadurai
    School of Biotechnology, Yeungnam University, Gyeongsan, South Korea
    Biotechnol Lett 33:2201-7. 2011
    ....
  3. ncbi Kinetic resolution of aromatic β-amino acids by ω-transaminase
    Han Seop Bea
    School of Biotechnology, Yeungnam University, Gyeongbuk, 712 749, Korea
    Chem Commun (Camb) 47:5894-6. 2011
    ..Racemic aromatic β-amino acids have been kinetically resolved into (R)-β-amino acids with high enantiomeric excess (>99%) by a novel ω-TA with ca. 50% conversion...
  4. ncbi Kinetic resolution of 3-fluoroalanine using a fusion protein of D-amino acid oxidase with Vitroscilla hemoglobin
    Young Man Seo
    School of Biotechnology, Yeungnam University, Japan
    Biosci Biotechnol Biochem 75:820-2. 2011
    ..9 s⁻¹). rac-3-Flouroalanine (500 mM) was kinetically resolved into (R)-3-fluoroalanine with high enatiomeric excess (>99%) by VHb-DAAO with about 52% conversion...
  5. ncbi Crystallization and preliminary X-ray crystallographic studies of β-transaminase from Mesorhizobium sp. strain LUK
    Bokyung Kim
    School of Biotechnology, Yeungnam University, Gyeongsan, Republic of Korea
    Acta Crystallogr Sect F Struct Biol Cryst Commun 67:231-3. 2011
    ..X-ray diffraction data were collected to a resolution of 2.5 Å from a crystal that belonged to the orthorhombic space group C222(1), with unit-cell parameters a = 90.91, b = 192.17, c = 52.75 Å...
  6. ncbi Asymmetric synthesis of (S)-alpha-methylbenzylamine by recombinant Escherichia coli co-expressing omega-transaminase and acetolactate synthase
    Hyungdon Yun
    School of Biotechnology, Yeungnam University, Gyeongbuk, Korea
    Biosci Biotechnol Biochem 72:3030-3. 2008
    ..5-fold, and the inhibitory (S)-alpha-MBA produced in the omega-transaminase reaction solution (pH 8.0) moved into the extraction solution (pH 3.0) via an organic solvent...
  7. ncbi A facile and efficient method for the incorporation of multiple unnatural amino acids into a single protein
    Niraikulam Ayyadurai
    School of Biotechnology, Yeungnam University, South Korea
    Chem Commun (Camb) 47:3430-2. 2011
    ..This single protein exhibited two different novel functionalities acquired from the genetically incorporated unnatural amino acids, which is an interesting and not an inherent property of the protein...
  8. ncbi Bioconjugation of L-3,4-dihydroxyphenylalanine containing protein with a polysaccharide
    Niraikulam Ayyadurai
    School of Biotechnology, Yeungnam University, Gyeongsan, South Korea
    Bioconjug Chem 22:551-5. 2011
    ..This novel approach holds great promise for widespread use to prepare protein conjugates and synthetic biology applications...
  9. ncbi Enzymatic synthesis of L-tert-leucine with branched chain aminotransferase
    Young Man Seo
    School of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk 712 749, Korea
    J Microbiol Biotechnol 21:1049-52. 2011
    ..In the BCAT/ AspAT/PDC coupling reaction, 89.2 mM L-tert-leucine (ee >99%) was asymmetrically synthesized from 100 mM trimethylpyruvate...