SMTL ID : 4qck.1

Crystal structure of 3-ketosteroid-9-alpha-hydroxylase (KshA) from M. tuberculosis in complex with 4-androstene-3,17-dione

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.46 Å

Oligo State

homo-trimer

Ligands

3 x FE: FE (III) ION(Non-covalent)

FE.1: 5 residues within 4Å: Chain A: N.175, H.181, H.186, D.304 Ligands: ASD.4 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.181, A:H.186, A:D.304, A:D.304, H2O.5 FE.5: 5 residues within 4Å: Chain B: N.175, H.181, H.186, D.304 Ligands: ASD.8 5 PLIP interactions: 4 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.181, B:H.186, B:D.304, B:D.304, H2O.10 FE.9: 5 residues within 4Å: Chain C: N.175, H.181, H.186, D.304 Ligands: ASD.12 5 PLIP interactions: 4 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:H.181, C:H.186, C:D.304, C:D.304, H2O.15

3 x FES: FE2/S2 (INORGANIC) CLUSTER(Non-covalent)

FES.2: 9 residues within 4Å: Chain A: C.67, H.69, M.70, G.71, G.72, C.86, F.88, H.89, W.91 4 PLIP interactions: 4 interactions with chain A, Metal complexes: A:C.67, A:H.69, A:C.86, A:H.89 FES.6: 9 residues within 4Å: Chain B: C.67, H.69, M.70, G.71, G.72, C.86, F.88, H.89, W.91 4 PLIP interactions: 4 interactions with chain B, Metal complexes: B:C.67, B:H.69, B:C.86, B:H.89 FES.10: 9 residues within 4Å: Chain C: C.67, H.69, M.70, G.71, G.72, C.86, F.88, H.89, W.91 4 PLIP interactions: 4 interactions with chain C, Metal complexes: C:C.67, C:H.69, C:C.86, C:H.89

3 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.3: 4 residues within 4Å: Chain A: R.21, Y.22, H.130, H.132 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Y.22 Salt bridges: A:H.130, A:H.132 PO4.7: 4 residues within 4Å: Chain B: R.21, Y.22, H.130, H.132 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:Y.22 Salt bridges: B:H.130, B:H.132 PO4.11: 4 residues within 4Å: Chain C: R.21, Y.22, H.130, H.132 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:Y.22 Salt bridges: C:H.130, C:H.132

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

ASD.4: 15 residues within 4Å: Chain A: N.175, V.176, F.182, H.186, Q.204, L.226, A.230, M.238, N.240, L.255, N.257, G.300, F.301, D.304 Ligands: FE.1 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:F.182, A:L.226, A:A.230, A:L.255, A:F.301 Water bridges: A:Q.204, A:N.257 ASD.8: 15 residues within 4Å: Chain B: N.175, V.176, F.182, H.186, Q.204, L.226, A.230, M.238, N.240, L.255, N.257, G.300, F.301, D.304 Ligands: FE.5 7 PLIP interactions: 7 interactions with chain B Hydrophobic interactions: B:F.182, B:L.226, B:A.230, B:L.255, B:F.301 Water bridges: B:Q.204, B:N.257 ASD.12: 15 residues within 4Å: Chain C: N.175, V.176, F.182, H.186, Q.204, L.226, A.230, M.238, N.240, L.255, N.257, G.300, F.301, D.304 Ligands: FE.9 7 PLIP interactions: 7 interactions with chain C Hydrophobic interactions: C:F.182, C:L.226, C:A.230, C:L.255, C:F.301 Water bridges: C:Q.204, C:N.257

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Penfield, J.S. et al., Substrate specificities and conformational flexibility of 3-ketosteroid 9 alpha-hydroxylases. J.Biol.Chem. (2014)

Release Date

2014-07-30

Peptides

3-ketosteroid-9-alpha-monooxygenase oxygenase subunit: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

3-ketosteroid-9-alpha-monooxygenase oxygenase subunit

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