SMTL ID : 7les.1 (1 other biounit)

Acanthamoeba castellanii CYP51 (AcCYP51)-Imidazole complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.65 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 26 residues within 4Å: Chain A: Q.78, Y.82, Y.95, L.106, I.109, L.259, A.262, G.263, T.266, S.267, T.270, L.325, P.330, L.331, V.334, R.336, G.394, F.395, G.396, H.400, G.401, C.402, G.404, F.407, A.408 Ligands: IMD.3 13 PLIP interactions: 13 interactions with chain A, Hydrophobic interactions: A:I.109, A:L.259, A:L.325, A:P.330, A:L.331, A:F.395, A:F.407, A:A.408 Hydrogen bonds: A:Q.78, A:Y.82 Salt bridges: A:R.336, A:H.400 Metal complexes: A:C.402 HEM.6: 28 residues within 4Å: Chain B: Q.78, Y.82, Y.95, L.106, I.109, L.113, L.259, A.262, G.263, T.266, S.267, T.270, L.325, P.330, V.334, R.336, G.394, F.395, G.396, R.399, H.400, G.401, C.402, M.403, G.404, F.407, A.408 Ligands: IMD.8 18 PLIP interactions: 18 interactions with chain B, Hydrophobic interactions: B:I.109, B:L.113, B:L.259, B:A.262, B:L.325, B:P.330, B:V.334, B:F.395, B:F.407, B:A.408 Hydrogen bonds: B:Q.78, B:Y.82, B:Y.82, B:Y.95, B:R.399 Salt bridges: B:R.336, B:H.400 Metal complexes: B:C.402

3 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.2: 4 residues within 4Å: Chain A: G.25, L.26, Y.35, M.49 No protein-ligand interaction detected (PLIP) PEG.5: 5 residues within 4Å: Chain A: L.18, L.194 Chain B: Y.35, M.49 Ligands: PEG.7 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.16 PEG.7: 5 residues within 4Å: Chain A: F.191 Chain B: V.22, G.25, L.26 Ligands: PEG.5 No protein-ligand interaction detected (PLIP)

2 x IMD: IMIDAZOLE(Non-covalent)

IMD.3: 4 residues within 4Å: Chain A: A.262, T.266, L.331 Ligands: HEM.1 No protein-ligand interaction detected (PLIP) IMD.8: 5 residues within 4Å: Chain B: A.262, T.266, L.331 Ligands: HEM.6, FMT.9 No protein-ligand interaction detected (PLIP)

2 x FMT: FORMIC ACID(Non-functional Binders)

FMT.4: 3 residues within 4Å: Chain A: D.137, V.142, Y.451 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.137, A:Y.451 FMT.9: 1 residues within 4Å: Ligands: IMD.8 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nienhaus, K. et al., Homodimerization Counteracts the Detrimental Effect of Nitrogenous Heme Ligands on the Enzymatic Activity of Acanthamoeba castellanii CYP51. Biochemistry (2022)

Release Date

2021-12-22

Peptides

Obtusifoliol 14alphademethylase, putative: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Obtusifoliol 14alphademethylase, putative

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