eF-site ID 3vgn-B PDB Code 3vgn Chain B click to enlarge Title Crystal Structure of Ketosteroid Isomerase D40N from Pseudomonas putida (pKSI) with bound 3-fluoro-4-nitrophenol Classification ISOMERASE Compound Steroid Delta-isomerase Source Pseudomonas putida (Arthrobacter siderocapsulatus) (SDIS_PSEPU) Sequence B:  MNLPTAQEVQGLMARYIELVDVGDIEAIVQMYADDATVEN PFGQPPIHGREQIAAFYRQGLGGGKVRACLTGPVRASHNG CGAMPFRVEMVWNGQPCALDVIDVMRFDEHGRIQTMQAYW SEVNLSV Description Functional site 1) chain B residue 16 type sequence Y description BINDING SITE FOR RESIDUE FNN B 140 source : AC2 2) chain B residue 40 type sequence N description BINDING SITE FOR RESIDUE FNN B 140 source : AC2 3) chain B residue 86 type sequence F description BINDING SITE FOR RESIDUE FNN B 140 source : AC2 4) chain B residue 103 type sequence D description BINDING SITE FOR RESIDUE FNN B 140 source : AC2 5) chain B residue 116 type sequence M description BINDING SITE FOR RESIDUE FNN B 140 source : AC2 6) chain B residue 16 type catalytic sequence Y description 349 source MCSA : MCSA2 7) chain B residue 40 type catalytic sequence N description 349 source MCSA : MCSA2 8) chain B residue 100 type catalytic sequence D description 349 source MCSA : MCSA2 9) chain B residue 103 type catalytic sequence D description 349 source MCSA : MCSA2 10) chain B residue 103 type BINDING sequence D description BINDING => ECO:0000269|PubMed:11007792 source Swiss-Prot : SWS_FT_FI3 11) chain B residue 16 type ACT_SITE sequence Y description Proton donor source Swiss-Prot : SWS_FT_FI1 12) chain B residue 40 type ACT_SITE sequence N description Proton acceptor source Swiss-Prot : SWS_FT_FI2

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