SMTL ID : 3g5n.4 (4 other biounits)

Triple ligand occupancy crystal structure of cytochrome P450 2B4 in complex with the inhibitor 1-biphenyl-4-methyl-1H-imidazole

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

monomer

Ligands

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

HEM.1: 23 residues within 4Å: Chain A: R.79, W.102, R.106, F.277, G.280, T.281, T.283, T.284, T.287, Q.338, I.344, V.348, H.350, L.373, P.409, F.410, S.411, R.415, C.417, L.418, G.419, A.423 Ligands: PB2.2 16 PLIP interactions: 16 interactions with chain A, Hydrophobic interactions: A:F.277, A:T.283, A:V.348, A:L.373, A:F.410, A:L.418, A:A.423 Hydrogen bonds: A:S.411, A:S.411 Water bridges: A:R.415 Salt bridges: A:R.79, A:R.106, A:H.350, A:R.415, A:R.415 Metal complexes: A:C.417

3 x PB2: 1-(biphenyl-4-ylmethyl)-1H-imidazole(Non-covalent)

PB2.2: 8 residues within 4Å: Chain A: A.279, G.280, T.283, I.344, G.347, V.348, P.349 Ligands: HEM.1 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:I.344, A:V.348, A:P.349 PB2.3: 8 residues within 4Å: Chain A: L.24, L.32, Y.50, L.51, F.346, F.370, V.458 Ligands: PB2.4 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:L.32, A:L.51, A:L.51, A:F.346, A:F.370, A:V.458 pi-Stacking: A:F.370 PB2.4: 3 residues within 4Å: Chain A: R.54, E.368 Ligands: PB2.3 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:R.54, A:R.54

1 x CM5: 5-CYCLOHEXYL-1-PENTYL-BETA-D-MALTOSIDE(Non-covalent)

CM5.5: 7 residues within 4Å: Chain A: S.77, R.79, I.95, N.98, G.99, W.102, L.269 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:N.98, A:W.102, A:W.102, A:L.269 Hydrogen bonds: A:S.77, A:R.79, A:I.95, A:W.102

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Gay, S.C. et al., Crystal structures of cytochrome P450 2B4 in complex with the inhibitor 1-biphenyl-4-methyl-1H-imidazole: ligand-induced structural response through alpha-helical repositioning. Biochemistry (2009)

Release Date

2009-05-12

Peptides

Cytochrome P450 2B4: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

Cytochrome P450 2B4

Related Entries With Identical Sequence