SMTL ID : 3ov4.2 (1 other biounit)

Crystal Structure of Ketosteroid Isomerase P39GV40GS42G from Pseudomonas Testosteroni (tKSI) bound to Equilenin

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.83 Å

Oligo State

homo-dimer

Ligands

6 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 3 residues within 4Å: Chain A: H.6, A.9, R.13 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:H.6, A:R.13 SO4.2: 2 residues within 4Å: Chain A: N.104, G.105 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:G.105 Water bridges: A:N.104, A:N.104, A:A.106 SO4.4: 3 residues within 4Å: Chain B: H.6, A.9, R.13 4 PLIP interactions: 4 interactions with chain B Water bridges: B:R.13, B:R.13 Salt bridges: B:H.6, B:R.13 SO4.5: 2 residues within 4Å: Chain B: N.104, G.105 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:G.105 SO4.6: 2 residues within 4Å: Chain B: M.1, N.76 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:M.1, B:M.1, B:N.76 Water bridges: B:N.2 SO4.7: 2 residues within 4Å: Chain B: H.122, A.123 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:A.123, B:A.123 Salt bridges: B:H.122

1 x EQU: EQUILENIN(Non-covalent)

EQU.3: 15 residues within 4Å: Chain A: Y.14, L.18, D.38, F.54, Y.55, S.58, F.82, V.84, F.86, V.95, P.97, D.99, M.112, A.114, F.116 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:L.18, A:F.54, A:Y.55, A:F.82, A:V.84, A:V.84, A:F.86, A:V.95, A:V.95, A:P.97, A:A.114, A:F.116, A:F.116, A:F.116

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schwans, J. et al., Crystal Structure of Ketosteroid Isomerase P39GV40GS42G from Pseudomonas Testosteroni (tKSI). To be Published

Release Date

2011-10-26

Peptides

Steroid Delta-isomerase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Steroid Delta-isomerase

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