SMTL ID : 3n9z.2 (1 other biounit)

Crystal structure of human CYP11A1 in complex with 22-hydroxycholesterol

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.17 Å

Oligo State

hetero-1-1-mer

Ligands

1 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.1: 28 residues within 4Å: Chain A: R.80, V.99, L.100, W.107, R.111, M.283, G.286, G.287, T.290, T.291, T.294, L.345, I.350, S.351, L.354, R.356, G.414, F.415, G.416, W.417, R.420, Q.421, C.422, L.423, G.424, A.428, M.432 Ligands: HC9.2 16 PLIP interactions: 16 interactions with chain A, Hydrophobic interactions: A:V.99, A:L.100, A:L.345, A:I.350, A:L.354, A:F.415, A:L.423, A:L.423, A:A.428 Hydrogen bonds: A:W.417 Salt bridges: A:R.80, A:R.80, A:R.111, A:R.356, A:R.420 Metal complexes: A:C.422

1 x HC9: (3alpha,8alpha,22R)-cholest-5-ene-3,22-diol(Non-covalent)

HC9.2: 16 residues within 4Å: Chain A: R.80, F.81, I.83, L.100, F.201, E.282, G.286, T.290, S.351, V.352, T.353, Q.355, F.457, L.459, I.460 Ligands: HEM.1 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:F.81, A:I.83, A:L.100, A:L.100, A:F.201, A:E.282, A:T.290, A:V.352, A:F.457, A:I.460 Water bridges: A:T.353

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

FES.3: 8 residues within 4Å: Chain B: G.43, C.45, G.47, L.49, A.50, C.51, C.54, C.91 4 PLIP interactions: 4 interactions with chain B, Metal complexes: B:C.45, B:C.51, B:C.54, B:C.91

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Strushkevich, N. et al., Structural basis for pregnenolone biosynthesis by the mitochondrial monooxygenase system. Proc.Natl.Acad.Sci.USA (2011)

Release Date

2011-06-08

Peptides

Cholesterol side-chain cleavage enzyme: A
Adrenodoxin: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
D

Cholesterol side-chain cleavage enzyme

Adrenodoxin

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