Browse "Dept. of Biological Sciences(생명과학과)" bySubject3-OXO-DELTA(5)-STEROID ISOMERASE

Showing results 1 to 12 of 12

1
Asp-99 donates a hydrogen bond not to tyr-14 but to the steroid directly in the catalytic mechanism of Delta(5)-3-ketosteroid isomerase from Pseudomonas putida biotype B

Choi, G; Ha, NC; Kim, SW; Kim, DH; Park, S; Oh, Byung-Haresearcher; Choi, KY, BIOCHEMISTRY, v.39, no.5, pp.903 - 909, 2000-02

2
Contribution of conserved amino acids at the dimeric interface to the conformational stability and the structural integrity of the active site in ketosteroid isomerase from Pseudomonas putida biotype B

Nam, Gyu Hyun; Kim, Do-Hyung; Ha, Nam-Chul; Jang, Do Soo; Yun, Young Sung; Hong, Bee Hak; Oh, Byung-Haresearcher; et al, JOURNAL OF BIOCHEMISTRY, v.134, no.1, pp.101 - 110, 2003

3
Crystal structure of Delta(5)-3-ketosteroid isomerase from Pseudomonas testosteroni in complex with equilenin settles the correct hydrogen bonding scheme for transition state stabilization

Cho, Hyun-Soo; Ha, Nam-Chul; Choi, Gildon; Kim, Hyun-Ju; Lee, Donghan; Oh, Kyung Seok; Kim, Kwang S.; et al, JOURNAL OF BIOLOGICAL CHEMISTRY, v.274, no.46, pp.32863 - 32868, 1999-11

4
Detection of large pK(alpha) perturbations of an inhibitor and a catalytic group at an enzyme active site, a mechanistic basis for catalytic power of many enzymes

Ha, Nam-Chul; Kim, Min-Sung; Lee, Weontae; Choi, Kwan Yong; Oh, Byung-Haresearcher, JOURNAL OF BIOLOGICAL CHEMISTRY, v.275, no.52, pp.41100 - 41106, 2000-12

5
Maintenance of alpha-helical structures by phenyl rings in the active-site tyrosine triad contributes to catalysis and stability of ketosteroid isomerase from Pseudomonas putida biotype B

Nam, GH; Jang, DS; Cha, SS; Lee, TH; Kim, DH; Hong, BH; Yun, YS; et al, BIOCHEMISTRY, v.40, no.45, pp.13529 - 13537, 2001-11

6
Origin of the different pH activity profile in two homologous ketosteroid isomerases

Yun, Young Sung; Lee, Tae-Hee; Nam, Gyu Hyun; Jang, Do Soo; Shin, Sejeong; Oh, Byung-Haresearcher; Choi, Kwan Yong, JOURNAL OF BIOLOGICAL CHEMISTRY, v.278, no.30, pp.28229 - 28236, 2003-07

7
Pseudoreversion of the catalytic activity of Y14F by the additional substitution(s) of tyrosine with phenylalanine in the hydrogen bond network of Delta(5)-3-ketosteroid isomerase from Pseudomonas putida Biotype B

Choi, G; Ha, NC; Kim, MS; Hong, BH; Oh, Byung-Haresearcher; Choi, KY, BIOCHEMISTRY, v.40, pp.6828 - 6835, 2001-01

8
Role of catalytic residues in enzymatic mechanisms of homologous ketosteroid isomerases

Oh, KS; Cha, SS; Kim, DH; Cho, HS; Ha, NC; Choi, G; Lee, JY; et al, BIOCHEMISTRY, v.39, no.45, pp.13891 - 13896, 2000-11

9
Roles of active site aromatic residues in catalysis by ketosteroid isomerase from Pseudomonas putida biotype B

Kim, DH; Nam, GH; Jang, DS; Choi, G; Joo, S; Kim, JS; Oh, Byung-Haresearcher; et al, BIOCHEMISTRY, v.38, no.42, pp.13810 - 13819, 1999-10

10
Small exterior hydrophobic cluster contributes to conformational stability and steroid binding in ketosteroid isomerase from Pseudomonas putida biotype B

Yun, YS; Nam, GH; Kim, YG; Oh, Byung-Haresearcher; Choi, KY, FEBS JOURNAL, v.272, pp.1999 - 2011, 2005-04

11
Structural double-mutant cycle analysis of a hydrogen bond network in ketosteroid isomerase from Pseudomonas putida biotype B

Jang, Do Soo; Cha, Hyung Jin; Cha, Sun-Shin; Hong, Bee Hak; Ha, Nam-Chul; Lee, Ja Young; Oh, Byung-Haresearcher; et al, BIOCHEMICAL JOURNAL, v.382, pp.967 - 973, 2004-09

12
Structure and enzymology of Delta(5)-3-ketosteroid isomerase

Ha, Nam-Chul; Choi, Gildon; Choi, Kwan Yong; Oh, Byung-Haresearcher, CURRENT OPINION IN STRUCTURAL BIOLOGY, v.11, no.6, pp.674 - 678, 2001-12

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