SMTL ID : 3na0.2 (1 other biounit)

Crystal structure of human CYP11A1 in complex with 20,22-dihydroxycholesterol

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.50 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.77, V.96, L.97, W.104, R.108, M.280, G.283, G.284, T.287, T.288, T.291, L.342, I.347, S.348, L.351, R.353, G.411, F.412, G.413, W.414, R.417, Q.418, C.419, L.420, G.421, A.425, M.429 Ligands: 2DC.2 17 PLIP interactions: 17 interactions with chain A, Hydrophobic interactions: A:L.97, A:M.280, A:L.342, A:I.347, A:L.351, A:F.412, A:A.425 Hydrogen bonds: A:W.414, A:W.414 Water bridges: A:R.353, A:R.353 Salt bridges: A:R.77, A:R.77, A:R.108, A:R.353, A:R.417 Metal complexes: A:C.419

1 x 2DC: (3alpha,8alpha,22R)-cholest-5-ene-3,20,22-triol(Non-covalent)

2DC.2: 18 residues within 4Å: Chain A: R.77, F.78, I.80, L.97, M.197, F.198, E.279, A.282, G.283, T.287, S.348, V.349, T.350, Q.352, F.454, L.456, I.457 Ligands: HEM.1 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:F.78, A:L.97, A:L.97, A:E.279, A:A.282, A:T.287, A:F.454, A:I.457 Water bridges: A:T.350

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

FES.3: 8 residues within 4Å: Chain B: G.17, C.19, G.21, L.23, A.24, C.25, C.28, C.65 4 PLIP interactions: 4 interactions with chain B, Metal complexes: B:C.19, B:C.25, B:C.28, B:C.65

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

2010-09-08

Peptides

Cholesterol side-chain cleavage enzyme, mitochondrial: A
Adrenodoxin, mitochondrial: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
D

Cholesterol side-chain cleavage enzyme, mitochondrial

Adrenodoxin, mitochondrial

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