eF-site ID 3vgn-AB PDB Code 3vgn Chain A, 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 A:  MNLPTAQEVQGLMARYIELVDVGDIEAIVQMYADDATVEN PFGQPPIHGREQIAAFYRQGLGGGKVRACLTGPVRASHNG CGAMPFRVEMVWNGQPCALDVIDVMRFDEHGRIQTMQAYW SEVNLSV B:  MNLPTAQEVQGLMARYIELVDVGDIEAIVQMYADDATVEN PFGQPPIHGREQIAAFYRQGLGGGKVRACLTGPVRASHNG CGAMPFRVEMVWNGQPCALDVIDVMRFDEHGRIQTMQAYW SEVNLSV Description Functional site 1) chain A residue 16 type sequence Y description BINDING SITE FOR RESIDUE FNN A 140 source : AC1 2) chain A residue 40 type sequence N description BINDING SITE FOR RESIDUE FNN A 140 source : AC1 3) chain A residue 86 type sequence F description BINDING SITE FOR RESIDUE FNN A 140 source : AC1 4) chain A residue 88 type sequence V description BINDING SITE FOR RESIDUE FNN A 140 source : AC1 5) chain A residue 103 type sequence D description BINDING SITE FOR RESIDUE FNN A 140 source : AC1 6) chain A residue 116 type sequence M description BINDING SITE FOR RESIDUE FNN A 140 source : AC1 7) chain A residue 118 type sequence A description BINDING SITE FOR RESIDUE FNN A 140 source : AC1 8) chain B residue 16 type sequence Y description BINDING SITE FOR RESIDUE FNN B 140 source : AC2 9) chain B residue 40 type sequence N description BINDING SITE FOR RESIDUE FNN B 140 source : AC2 10) chain B residue 86 type sequence F description BINDING SITE FOR RESIDUE FNN B 140 source : AC2 11) chain B residue 103 type sequence D description BINDING SITE FOR RESIDUE FNN B 140 source : AC2 12) chain B residue 116 type sequence M description BINDING SITE FOR RESIDUE FNN B 140 source : AC2 13) chain A residue 16 type catalytic sequence Y description 349 source MCSA : MCSA1 14) chain A residue 40 type catalytic sequence N description 349 source MCSA : MCSA1 15) chain A residue 100 type catalytic sequence D description 349 source MCSA : MCSA1 16) chain A residue 103 type catalytic sequence D description 349 source MCSA : MCSA1 17) chain B residue 16 type catalytic sequence Y description 349 source MCSA : MCSA2 18) chain B residue 40 type catalytic sequence N description 349 source MCSA : MCSA2 19) chain B residue 100 type catalytic sequence D description 349 source MCSA : MCSA2 20) chain B residue 103 type catalytic sequence D description 349 source MCSA : MCSA2 21) chain A residue 103 type BINDING sequence D description BINDING => ECO:0000269|PubMed:11007792 source Swiss-Prot : SWS_FT_FI3 22) chain B residue 103 type BINDING sequence D description BINDING => ECO:0000269|PubMed:11007792 source Swiss-Prot : SWS_FT_FI3 23) chain A residue 16 type ACT_SITE sequence Y description Proton donor source Swiss-Prot : SWS_FT_FI1 24) chain B residue 16 type ACT_SITE sequence Y description Proton donor source Swiss-Prot : SWS_FT_FI1 25) chain A residue 40 type ACT_SITE sequence N description Proton acceptor source Swiss-Prot : SWS_FT_FI2 26) chain B residue 40 type ACT_SITE sequence N description Proton acceptor source Swiss-Prot : SWS_FT_FI2

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