SMTL ID : 3nbr.1

Crystal Structure of Ketosteroid Isomerase D38NP39GD99N from Pseudomonas Testosteroni (tKSI) with 4-Androstene-3,17-dione Bound

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.73 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 2 residues within 4Å: Chain A: H.122, A.123 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:I.121, A:A.123 Salt bridges: A:H.122 SO4.2: 6 residues within 4Å: Chain A: H.100, R.113, L.115 Chain B: E.77, H.100 Ligands: SO4.6 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Salt bridges: A:H.100, A:R.113, B:H.100 SO4.3: 1 residues within 4Å: Chain A: G.105 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:G.105 SO4.5: 2 residues within 4Å: Chain B: H.122, A.123 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:I.121, B:A.123 Salt bridges: B:H.122 SO4.6: 6 residues within 4Å: Chain A: E.77, H.100 Chain B: H.100, R.113, L.115 Ligands: SO4.2 3 PLIP interactions: 1 interactions with chain A, 2 interactions with chain B Salt bridges: A:H.100, B:H.100, B:R.113 SO4.7: 1 residues within 4Å: Chain B: G.105 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:G.105

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

ASD.4: 11 residues within 4Å: Chain A: Y.14, N.38, S.58, F.82, V.84, F.86, V.95, P.97, N.99, M.112, F.116 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:F.82, A:V.84, A:F.86, A:V.95, A:P.97, A:F.116, A:F.116 Hydrogen bonds: A:Y.14, A:N.38, A:N.99 ASD.8: 11 residues within 4Å: Chain B: Y.14, N.38, S.58, F.82, V.84, F.86, V.95, P.97, N.99, M.112, F.116 9 PLIP interactions: 9 interactions with chain B Hydrophobic interactions: B:F.82, B:V.84, B:F.86, B:V.95, B:P.97, B:F.116, B:F.116 Hydrogen bonds: B:N.38, B:N.99

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schwans, J. et al., Crystal Structure of Ketosteroid Isomerase D38NP39GD99N 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
A

Steroid Delta-isomerase