SMTL ID : 3nuv.1 (1 other biounit)

Crystal structure of ketosteroid isomerase D38ND99N from Pseudomonas testosteroni (tKSI) with 4-Androstene-3,17-dione Bound

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.76 Å

Oligo State

homo-dimer

Ligands

2 x ASD: 4-ANDROSTENE-3-17-DIONE(Non-covalent)

ASD.1: 11 residues within 4Å: Chain A: Y.14, N.38, F.54, Y.55, S.58, F.82, F.86, P.97, N.99, M.112, F.116 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:F.54, A:Y.55, A:F.82, A:P.97, A:F.116, A:F.116 Hydrogen bonds: A:N.99 ASD.3: 12 residues within 4Å: Chain B: Y.14, N.38, S.58, L.63, F.82, V.84, F.86, P.97, N.99, M.112, A.114, F.116 9 PLIP interactions: 9 interactions with chain B Hydrophobic interactions: B:L.63, B:F.82, B:F.82, B:F.86, B:P.97, B:A.114, B:F.116 Hydrogen bonds: B:Y.14, B:N.99

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

SO4.2: 2 residues within 4Å: Chain A: H.122, A.123 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:A.123 Salt bridges: A:H.122 SO4.4: 4 residues within 4Å: Chain B: R.45, E.53, F.54, N.57 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:N.57 Water bridges: B:F.54, B:F.54 Salt bridges: B:R.45 SO4.5: 3 residues within 4Å: Chain B: I.121, H.122, A.123 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:A.123 Salt bridges: B:H.122 SO4.6: 9 residues within 4Å: Chain A: A.79, I.98, H.100, L.115 Chain B: A.79, I.98, N.99, H.100 Ligands: SO4.7 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Salt bridges: A:H.100, B:H.100 SO4.7: 4 residues within 4Å: Chain A: H.100 Chain B: H.100, R.113 Ligands: SO4.6 8 PLIP interactions: 5 interactions with chain B, 3 interactions with chain A Water bridges: B:H.100, B:R.113, B:R.113, A:R.113 Salt bridges: B:H.100, B:R.113, A:H.100 Hydrogen bonds: A:E.77

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schwans, J. et al., Crystal Structure of Ketosteroid Isomerase D38ND99N from Pseudomonas testosteroni (tKSI) with 4-Androstene-3,17-dione Bound. TO BE PUBLISHED

Release Date

2011-11-23

Peptides

Steroid Delta-isomerase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Steroid Delta-isomerase

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