6C1X
 
 | | Crystal Structure of Ketosteroid Isomerase D40N/D103N mutant from Pseudomonas Putida (pKSI) bound to 3,4-dinitrophenol | | Descriptor: | 3,4-dinitrophenol, MAGNESIUM ION, Steroid Delta-isomerase | | Authors: | Yabukarski, F, Pinney, M.M, Herschlag, D. | | Deposit date: | 2018-01-05 | | Release date: | 2018-07-25 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.05 Å) | | Cite: | Structural Coupling Throughout the Active Site Hydrogen Bond Networks of Ketosteroid Isomerase and Photoactive Yellow Protein.
J. Am. Chem. Soc., 140, 2018
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6C1J
 | | Crystal Structure of Ketosteroid Isomerase Y32F/Y57F/D40N mutant from Pseudomonas Putida (pKSI) bound to 3,4-dinitrophenol | | Descriptor: | 3,4-dinitrophenol, CHLORIDE ION, MAGNESIUM ION, ... | | Authors: | Yabukarski, F, Pinney, M.M, Herschlag, D. | | Deposit date: | 2018-01-04 | | Release date: | 2018-07-25 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.063 Å) | | Cite: | Structural Coupling Throughout the Active Site Hydrogen Bond Networks of Ketosteroid Isomerase and Photoactive Yellow Protein.
J. Am. Chem. Soc., 140, 2018
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6F54
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7RXK
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1OH0
 | | CRYSTAL STRUCTURE OF KETOSTEROID ISOMERASE COMPLEXED WITH EQUILENIN | | Descriptor: | BETA-MERCAPTOETHANOL, EQUILENIN, STEROID DELTA-ISOMERASE | | Authors: | Kim, K.-H, Cha, S.-S, Byun, M, Oh, B.-H. | | Deposit date: | 2003-05-21 | | Release date: | 2003-06-04 | | Last modified: | 2024-05-01 | | Method: | X-RAY DIFFRACTION (1.1 Å) | | Cite: | High-Resolution Crystal Structures of Delta5-3-Ketosteroid Isomerase with and without a Reaction Intermediate Analogue
Biochemistry, 36, 1997
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6C17
 | | Crystal Structure of Ketosteroid Isomerase D40N mutant from Pseudomonas Putida (pKSI) bound to 3,4-dinitrophenol | | Descriptor: | 3,4-dinitrophenol, MAGNESIUM ION, Steroid Delta-isomerase | | Authors: | Yabukarski, F, Pinney, M, Herschlag, D. | | Deposit date: | 2018-01-04 | | Release date: | 2018-07-25 | | Last modified: | 2023-10-04 | | Method: | X-RAY DIFFRACTION (1.1 Å) | | Cite: | Structural Coupling Throughout the Active Site Hydrogen Bond Networks of Ketosteroid Isomerase and Photoactive Yellow Protein.
J. Am. Chem. Soc., 140, 2018
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7RY4
 | | Multi-conformer model of Ketosteroid Isomerase Y57F/D40N mutant from Pseudomonas Putida (pKSI) bound to a transition state analog at 250 K | | Descriptor: | (9beta,13alpha)-3-hydroxyestra-1,3,5(10)-trien-17-one, CHLORIDE ION, MAGNESIUM ION, ... | | Authors: | Yabukarski, F, Doukov, T, Herschlag, D. | | Deposit date: | 2021-08-24 | | Release date: | 2022-11-09 | | Last modified: | 2023-11-22 | | Method: | X-RAY DIFFRACTION (1.11 Å) | | Cite: | Ensemble-function relationships to dissect mechanisms of enzyme catalysis.
Sci Adv, 8, 2022
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6UCY
 | | Multi-conformer model of Ketosteroid Isomerase from Pseudomonas Putida (pKSI) bound to 4-Androstenedione at 250 K | | Descriptor: | 4-ANDROSTENE-3-17-DIONE, CHLORIDE ION, MAGNESIUM ION, ... | | Authors: | Yabukarski, F, Herschlag, D, Biel, J.T, Fraser, J.S. | | Deposit date: | 2019-09-18 | | Release date: | 2020-09-23 | | Last modified: | 2023-10-11 | | Method: | X-RAY DIFFRACTION (1.15 Å) | | Cite: | Assessment of enzyme active site positioning and tests of catalytic mechanisms through X-ray-derived conformational ensembles.
Proc.Natl.Acad.Sci.USA, 117, 2020
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7RXF
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5KP1
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3CPO
 | | Crystal structure of ketosteroid isomerase D40N with bound 2-fluorophenol | | Descriptor: | 2-fluorophenol, Delta(5)-3-ketosteroid isomerase | | Authors: | Caaveiro, J.M.M, Pybus, B, Ringe, D, Petsko, G. | | Deposit date: | 2008-03-31 | | Release date: | 2008-09-23 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (1.24 Å) | | Cite: | Testing geometrical discrimination within an enzyme active site: constrained hydrogen bonding in the ketosteroid isomerase oxyanion hole
J.Am.Chem.Soc., 130, 2008
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6UCW
 | | Multi-conformer model of Apo Ketosteroid Isomerase from Pseudomonas Putida (pKSI) at 250 K | | Descriptor: | CHLORIDE ION, MAGNESIUM ION, Steroid Delta-isomerase | | Authors: | Yabukarski, F, Herschlag, D, Biel, J.T, Fraser, J.S. | | Deposit date: | 2019-09-17 | | Release date: | 2020-09-23 | | Last modified: | 2023-10-11 | | Method: | X-RAY DIFFRACTION (1.25 Å) | | Cite: | Assessment of enzyme active site positioning and tests of catalytic mechanisms through X-ray-derived conformational ensembles.
Proc.Natl.Acad.Sci.USA, 117, 2020
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2PZV
 | | Crystal Structure of Ketosteroid Isomerase D40N from Pseudomonas Putida (pksi) with bound Phenol | | Descriptor: | PHENOL, Steroid Delta-isomerase | | Authors: | Pybus, B, Caaveiro, J.M.M, Petsko, G.A, Ringe, D. | | Deposit date: | 2007-05-18 | | Release date: | 2007-06-12 | | Last modified: | 2024-02-21 | | Method: | X-RAY DIFFRACTION (1.25 Å) | | Cite: | Testing Electrostatic complementarity in Enzyme Catalysis: Hydrogen Bonding in the Ketosteroid Isomerase Oxyanion Hole
PLoS Biol., 4, 2006
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6UBQ
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3VGN
 | | Crystal Structure of Ketosteroid Isomerase D40N from Pseudomonas putida (pKSI) with bound 3-fluoro-4-nitrophenol | | Descriptor: | 3-fluoro-4-nitrophenol, Steroid Delta-isomerase | | Authors: | Caaveiro, J.M.M, Pybus, B, Ringe, D, Petsko, G.A, Sigala, P.A. | | Deposit date: | 2011-08-16 | | Release date: | 2012-08-22 | | Last modified: | 2023-11-08 | | Method: | X-RAY DIFFRACTION (1.3 Å) | | Cite: | Quantitative dissection of hydrogen bond-mediated proton transfer in the ketosteroid isomerase active site
Proc.Natl.Acad.Sci.USA, 110, 2013
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3SED
 | | Crystal Structure of Ketosteroid Isomerase Variant M105A from Pseudomonos putida | | Descriptor: | Steroid Delta-isomerase | | Authors: | Somarowthu, S, Brodkin, H.R, D'Aquino, J.A, Ringe, D, Ondrechen, M.J, Beuning, P.J. | | Deposit date: | 2011-06-10 | | Release date: | 2011-08-03 | | Last modified: | 2023-09-13 | | Method: | X-RAY DIFFRACTION (1.302 Å) | | Cite: | A tale of two isomerases: compact versus extended active sites in ketosteroid isomerase and phosphoglucose isomerase.
Biochemistry, 50, 2011
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3FZW
 | | Crystal Structure of Ketosteroid Isomerase D40N-D103N from Pseudomonas putida (pKSI) with bound equilenin | | Descriptor: | EQUILENIN, GLYCEROL, ISOPROPYL ALCOHOL, ... | | Authors: | Caaveiro, J.M.M, Ringe, D, Petsko, G.A. | | Deposit date: | 2009-01-26 | | Release date: | 2009-06-02 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (1.32 Å) | | Cite: | Hydrogen bond coupling in the ketosteroid isomerase active site.
Biochemistry, 48, 2009
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6UCN
 | | Multi-conformer model of Ketosteroid Isomerase from Pseudomonas Putida (pKSI) bound to Equilenin at 250 K | | Descriptor: | CHLORIDE ION, EQUILENIN, MAGNESIUM ION, ... | | Authors: | Yabukarski, F, Herschlag, D, Biel, J.T, Fraser, J.S. | | Deposit date: | 2019-09-16 | | Release date: | 2020-09-23 | | Last modified: | 2023-10-11 | | Method: | X-RAY DIFFRACTION (1.32 Å) | | Cite: | Assessment of enzyme active site positioning and tests of catalytic mechanisms through X-ray-derived conformational ensembles.
Proc.Natl.Acad.Sci.USA, 117, 2020
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5D82
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5D81
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6TZD
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3T8N
 | | Crystal structure of ketosteroid isomerase Y16AD103A from Pseudomonas putida | | Descriptor: | SULFATE ION, Steroid Delta-isomerase, {[-(BIS-CARBOXYMETHYL-AMINO)-ETHYL]-CARBOXYMETHYL-AMINO}-ACETIC ACID | | Authors: | Gonzalez, A, Tsai, Y, Schwans, J, Sunden, F, Herschlag, D. | | Deposit date: | 2011-08-01 | | Release date: | 2011-11-23 | | Last modified: | 2023-09-13 | | Method: | X-RAY DIFFRACTION (1.47 Å) | | Cite: | Evaluating the catalytic contribution from the oxyanion hole in ketosteroid isomerase.
J.Am.Chem.Soc., 133, 2011
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6UFS
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6F53
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3VSY
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