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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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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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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1W01
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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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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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1VZZ
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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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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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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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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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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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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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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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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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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: | 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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