1C7H
 
 | | CRYSTAL STRUCTURE OF A MUTANT R75A IN KETOSTEROID ISOMERASE FROM PSEDOMONAS PUTIDA BIOTYPE B | | Descriptor: | DELTA-5-3-KETOSTEROID ISOMERASE | | Authors: | Nam, G.H, Kim, D.H, Jang, D.S, Choi, G, Ha, N.C, Oh, B.H, Choi, K.Y. | | Deposit date: | 2000-02-19 | | Release date: | 2000-04-24 | | Last modified: | 2023-08-09 | | Method: | X-RAY DIFFRACTION (2.5 Å) | | Cite: | Roles of active site aromatic residues in catalysis by ketosteroid isomerase from Pseudomonas putida biotype B.
Biochemistry, 38, 1999
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1W01
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1W02
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1W00
 | | Crystal structure of mutant enzyme D103L of Ketosteroid Isomerase from Pseudomonas putida biotype B | | Descriptor: | STEROID DELTA-ISOMERASE | | Authors: | Kim, D.H, Jang, D.S, Nam, G.H, Oh, B.H, Choi, K.Y. | | Deposit date: | 2004-05-30 | | Release date: | 2005-05-26 | | Last modified: | 2024-05-08 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Structural Double-Mutant Cycle Analysis of a Hydrogen Bond Network in Ketosteroid Isomerase from Pseudomonas Putida Biotype B
Biochem.J., 382, 2004
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1DMQ
 | | CRYSTAL STRUCTURE OF MUTANT ENZYME Y32F OF KETOSTEROID ISOMERASE FROM PSEUDOMONAS PUTIDA BIOTYPE B | | Descriptor: | STEROID DELTA-ISOMERASE | | Authors: | Kim, D.H, Jang, D.S, Nam, G.H, Oh, B.H, Choi, K.Y. | | Deposit date: | 1999-12-14 | | Release date: | 2000-05-23 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (2.15 Å) | | Cite: | Contribution of the hydrogen-bond network involving a tyrosine triad in the active site to the structure and function of a highly proficient ketosteroid isomerase from Pseudomonas putida biotype B.
Biochemistry, 39, 2000
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1DMN
 | | CRYSTAL STRUCTURE OF MUTANT ENZYME Y32F/Y57F OF KETOSTEROID ISOMERASE FROM PSEUDOMONAS PUTIDA BIOTYPE B | | Descriptor: | STEROID DELTA-ISOMERASE | | Authors: | Kim, D.H, Jang, D.S, Nam, G.H, Oh, B.H, Choi, K.Y. | | Deposit date: | 1999-12-14 | | Release date: | 2000-05-23 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (2.05 Å) | | Cite: | Contribution of the hydrogen-bond network involving a tyrosine triad in the active site to the structure and function of a highly proficient ketosteroid isomerase from Pseudomonas putida biotype B.
Biochemistry, 39, 2000
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1DMM
 | | CRYSTAL STRUCTURES OF MUTANT ENZYMES Y57F OF KETOSTEROID ISOMERASE FROM PSEUDOMONAS PUTIDA BIOTYPE B | | Descriptor: | STEROID DELTA-ISOMERASE | | Authors: | Kim, D.H, Jang, D.S, Nam, G.H, Oh, B.H, Choi, K.Y. | | Deposit date: | 1999-12-14 | | Release date: | 2000-05-23 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Contribution of the hydrogen-bond network involving a tyrosine triad in the active site to the structure and function of a highly proficient ketosteroid isomerase from Pseudomonas putida biotype B.
Biochemistry, 39, 2000
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1CQS
 | | CRYSTAL STRUCTURE OF D103E MUTANT WITH EQUILENINEOF KSI IN PSEUDOMONAS PUTIDA | | Descriptor: | EQUILENIN, PROTEIN : KETOSTEROID ISOMERASE | | Authors: | Choi, G, Ha, N.C, Kim, S.W, Kim, D.H, Park, S, Oh, B.H, Choi, K.Y. | | Deposit date: | 1999-08-11 | | Release date: | 2003-06-17 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | 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
Biochemistry, 39, 2000
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1EA2
 | | Pseudoreversion of the Catalytic Activity of Y14F by the Additional Tyrosine-to-Phenylalanine Substitution(s) in the Hydrogen Bond Network of Delta-5-3-Ketosteroid Isomerase from Pheudomonas putida Biotype B | | Descriptor: | STEROID DELTA-ISOMERASE | | Authors: | Choi, G, Ha, N.-C, Kim, M.-S, Hong, B.-H, Choi, K.Y. | | Deposit date: | 2000-11-03 | | Release date: | 2001-11-01 | | Last modified: | 2024-05-08 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | 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
Biochemistry, 40, 2001
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1BDH
 | | PURINE REPRESSOR MUTANT-HYPOXANTHINE-PALINDROMIC OPERATOR COMPLEX | | Descriptor: | DNA (5'-D(*TP*AP*CP*GP*CP*AP*AP*AP*CP*GP*TP*TP*TP*GP*CP*GP*T )-3'), HYPOXANTHINE, PROTEIN (PURINE REPRESSOR) | | Authors: | Glasfeld, A, Schumacher, M.A, Choi, K.Y, Zalkin, H, Brennan, R.G. | | Deposit date: | 1996-07-25 | | Release date: | 1997-04-21 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (2.7 Å) | | Cite: | A Positively Charged Residue Bound in the Minor Groove Does not Alter the Bending of a DNA Duplex
J.Am.Chem.Soc., 118, 1996
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1BDI
 | | PURINE REPRESSOR MUTANT-HYPOXANTHINE-PALINDROMIC OPERATOR COMPLEX | | Descriptor: | DNA (5'-D(*TP*AP*CP*GP*CP*AP*AP*AP*CP*GP*TP*TP*TP*GP*CP*GP*T )-3'), HYPOXANTHINE, PROTEIN (PURINE REPRESSOR) | | Authors: | Glasfeld, A, Schumacher, M.A, Choi, K.Y, Zalkin, H, Brennan, R.G. | | Deposit date: | 1996-07-25 | | Release date: | 1997-04-21 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (3 Å) | | Cite: | A Positively Charged Residue Bound in the Minor Groove Does not Alter the Bending of a DNA Duplex
J.Am.Chem.Soc., 118, 1996
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1VZZ
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1W6Y
 | | crystal structure of a mutant W92A in ketosteroid isomerase (KSI) from Pseudomonas putida biotype B | | Descriptor: | BETA-MERCAPTOETHANOL, EQUILENIN, STEROID DELTA-ISOMERASE | | Authors: | Yun, Y.S, Nam, G.H, Kim, Y.-G, Oh, B.-H, Choi, K.Y. | | Deposit date: | 2004-08-25 | | Release date: | 2005-04-14 | | Last modified: | 2023-12-13 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Small Exterior Hydrophobic Cluster Contributes to Conformational Stability and Steroid Binding in Ketosteroid Isomerase from Pseudomonas Putida Biotype B
FEBS J., 272, 2005
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1K41
 | | Crystal structure of KSI Y57S mutant | | Descriptor: | Ketosteroid Isomerase | | Authors: | Cha, S.S, Oh, B.H, Nam, G.H, Jang, D.S, Lee, T.H, Choi, K.Y. | | Deposit date: | 2001-10-05 | | Release date: | 2002-10-16 | | Last modified: | 2024-05-29 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | 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
Biochemistry, 40, 2001
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4K1V
 | | Crystal structure of delta5-3-ketosteroid isomerase containing Y16F and Y57F mutations | | Descriptor: | Steroid Delta-isomerase | | Authors: | Cha, H.J, Jang, D.S, Kim, Y.G, Hong, B.H, Woo, J.S, Choi, K.Y. | | Deposit date: | 2013-04-05 | | Release date: | 2013-07-31 | | Last modified: | 2023-11-08 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | Rescue of deleterious mutations by the compensatory Y30F mutation in ketosteroid isomerase
Mol.Cells, 36, 2013
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4K1U
 | | Crystal structure of delta5-3-ketosteroid isomerase containing Y16F and Y32F mutations | | Descriptor: | Steroid Delta-isomerase | | Authors: | Cha, H.J, Jang, D.S, Kim, Y.G, Hong, B.H, Woo, J.S, Choi, K.Y. | | Deposit date: | 2013-04-05 | | Release date: | 2013-07-31 | | Last modified: | 2024-03-20 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | Rescue of deleterious mutations by the compensatory Y30F mutation in ketosteroid isomerase
Mol.Cells, 36, 2013
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1OGZ
 | | Crystal Structure Of 5-3-Ketosteroid Isomerase Mutants P39A Complexed With Equilenin From Pseudomonas Testosteroni | | Descriptor: | EQUILENIN, STEROID DELTA-ISOMERASE | | Authors: | Nam, G.H, Cha, S.-S, Yun, Y.S, Oh, Y.H, Hong, B.H, Lee, H.-S, Choi, K.Y. | | Deposit date: | 2003-05-20 | | Release date: | 2003-09-04 | | Last modified: | 2024-05-08 | | Method: | X-RAY DIFFRACTION (2.3 Å) | | Cite: | The Conserved Cis-Pro39 Residue Plays a Crucial Role in the Proper Positioning of the Catalytic Base Asp38 in Ketosteroid Isomerase from Comamonas Testosteroni.
Biochem.J., 375, 2003
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1PNR
 | | PURINE REPRESSOR-HYPOXANTHINE-PURF-OPERATOR COMPLEX | | Descriptor: | DNA (5'-D(*AP*AP*CP*GP*AP*AP*AP*AP*CP*GP*TP*TP*TP*TP*CP*GP*T )-3'), HYPOXANTHINE, PROTEIN (PURINE REPRESSOR) | | Authors: | Schumacher, M.A, Choi, K.Y, Zalkin, H, Brennan, R.G. | | Deposit date: | 1995-03-29 | | Release date: | 1995-11-20 | | Last modified: | 2024-02-14 | | Method: | X-RAY DIFFRACTION (2.7 Å) | | Cite: | Crystal structure of LacI member, PurR, bound to DNA: minor groove binding by alpha helices.
Science, 266, 1994
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2PUB
 | | CRYSTAL STRUCTURE OF THE LACI FAMILY MEMBER, PURR, BOUND TO DNA: MINOR GROOVE BINDING BY ALPHA HELICES | | Descriptor: | ADENINE, DNA (5'-D(*TP*AP*CP*GP*CP*AP*AP*AP*CP*GP*TP*TP*TP*GP*CP*GP*T )-3'), PURINE REPRESSOR | | Authors: | Schumacher, R.G, Choi, K.Y, Zalkin, H, Brennan, M.A. | | Deposit date: | 1997-10-04 | | Release date: | 1998-05-06 | | Last modified: | 2024-02-21 | | Method: | X-RAY DIFFRACTION (2.7 Å) | | Cite: | Crystal structure of LacI member, PurR, bound to DNA: minor groove binding by alpha helices.
Science, 266, 1994
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2PUD
 | | CRYSTAL STRUCTURE OF THE LACI FAMILY MEMBER, PURR, BOUND TO DNA: MINOR GROOVE BINDING BY ALPHA HELICES | | Descriptor: | DNA (5'-D(*TP*AP*CP*GP*CP*AP*AP*AP*CP*GP*TP*TP*TP*GP*CP*GP*T )-3'), HYPOXANTHINE, PROTEIN (PURINE REPRESSOR) | | Authors: | Schumacher, M.A, Choi, K.Y, Zalkin, H, Brennan, R.G. | | Deposit date: | 1997-10-04 | | Release date: | 1998-05-06 | | Last modified: | 2024-02-21 | | Method: | X-RAY DIFFRACTION (2.6 Å) | | Cite: | Crystal structure of LacI member, PurR, bound to DNA: minor groove binding by alpha helices.
Science, 266, 1994
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2PUA
 | | CRYSTAL STRUCTURE OF THE LACI FAMILY MEMBER, PURR, BOUND TO DNA: MINOR GROOVE BINDING BY ALPHA HELICES | | Descriptor: | 6-METHYLPURINE, DNA (5'-D(*TP*AP*CP*GP*CP*AP*AP*AP*CP*GP*TP*TP*TP*GP*CP*GP*T )-3'), PURINE REPRESSOR | | Authors: | Schumacher, R.G, Choi, K.Y, Zalkin, H, Brennan, M.A. | | Deposit date: | 1997-10-04 | | Release date: | 1998-05-06 | | Last modified: | 2024-02-21 | | Method: | X-RAY DIFFRACTION (2.9 Å) | | Cite: | Crystal structure of LacI member, PurR, bound to DNA: minor groove binding by alpha helices.
Science, 266, 1994
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2PUC
 | | CRYSTAL STRUCTURE OF THE LACI FAMILY MEMBER, PURR, BOUND TO DNA: MINOR GROOVE BINDING BY ALPHA HELICES | | Descriptor: | DNA (5'-D(*TP*AP*CP*GP*CP*AP*AP*AP*CP*GP*TP*TP*TP*GP*CP*GP*T )-3'), GUANINE, PROTEIN (PURINE REPRESSOR) | | Authors: | Schumacher, M.A, Choi, K.Y, Zalkin, H, Brennan, R.G. | | Deposit date: | 1997-10-04 | | Release date: | 1998-05-06 | | Last modified: | 2024-02-21 | | Method: | X-RAY DIFFRACTION (2.6 Å) | | Cite: | Crystal structure of LacI member, PurR, bound to DNA: minor groove binding by alpha helices.
Science, 266, 1994
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1DBQ
 | | DNA-BINDING REGULATORY PROTEIN | | Descriptor: | MAGNESIUM ION, PURINE REPRESSOR | | Authors: | Schumacher, M.A, Choi, K.Y, Lu, F, Zalkin, H, Brennan, R.G. | | Deposit date: | 1996-02-13 | | Release date: | 1996-12-07 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Mechanism of corepressor-mediated specific DNA binding by the purine repressor.
Cell(Cambridge,Mass.), 83, 1995
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1HDU
 | | Crystal structure of bovine pancreatic carboxypeptidase A complexed with aminocarbonylphenylalanine at 1.75 A | | Descriptor: | CARBOXYPEPTIDASE A, D-[(AMINO)CARBONYL]PHENYLALANINE, ZINC ION | | Authors: | Cho, J.H, Ha, N.-C, Chung, S.J, Kim, D.H, Choi, K.Y, Oh, B.-H. | | Deposit date: | 2000-11-17 | | Release date: | 2001-11-15 | | Last modified: | 2011-07-13 | | Method: | X-RAY DIFFRACTION (1.75 Å) | | Cite: | Insight Into the Stereochemistry in the Inhibition of Carboxypeptidase a with N-(Hydroxyaminocarbonyl)Phenylalanine: Binding Modes of an Enantiomeric Pair of the Inhibitor to Carboxypeptidase A
Bioorg.Med.Chem., 10, 2002
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1HEE
 | | Crystal structure of bovine pancreatic carboxypeptidase A complexed with L-N-hydroxyaminocarbonyl phenylalanine at 2.3 A | | Descriptor: | CARBOXYPEPTIDASE A, L-[(N-HYDROXYAMINO)CARBONYL]PHENYLALANINE, ZINC ION | | Authors: | Cho, J.H, Ha, N.-C, Chung, S.J, Kim, D.H, Choi, K.Y, Oh, B.-H. | | Deposit date: | 2000-11-22 | | Release date: | 2001-11-23 | | Last modified: | 2024-11-13 | | Method: | X-RAY DIFFRACTION (1.75 Å) | | Cite: | Insight Into the Stereochemistry in the Inhibition of Carboxypeptidase a with N-(Hydroxyaminocarbonyl)Phenylalanine: Binding Modes of an Enantiomeric Pair of the Inhibitor to Carboxypeptidase A
Bioorg.Med.Chem., 10, 2002
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