SMTL ID : 1aes.1

SPECIFICITY OF LIGAND BINDING TO A BURIED POLAR CAVITY AT THE ACTIVE SITE OF CYTOCHROME C PEROXIDASE (IMIDAZOLE)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

monomer

Ligands

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

HEM.1: 21 residues within 4Å: Chain A: P.44, V.47, R.48, W.51, P.145, D.146, A.147, L.171, M.172, A.174, H.175, L.177, G.178, K.179, T.180, H.181, N.184, S.185, L.232, T.234, F.266 23 PLIP interactions: 22 interactions with chain A, 1 Ligand-Water interactions, Hydrophobic interactions: A:V.47, A:R.48, A:W.51, A:W.51, A:W.51, A:P.145, A:A.174, A:T.180, A:L.232, A:F.266 Hydrogen bonds: A:K.179, A:H.181, A:N.184, A:S.185 Water bridges: A:D.37, A:D.37, A:D.37 Salt bridges: A:R.48, A:H.181, A:H.181 pi-Stacking: A:W.51 Metal complexes: A:H.175, H2O.1

1 x IMD: IMIDAZOLE(Non-covalent)

IMD.2: 10 residues within 4Å: Chain A: H.175, K.179, T.180, G.189, P.190, G.191, M.230, M.231, L.232, D.235 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:D.235

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fitzgerald, M.M. et al., A ligand-gated, hinged loop rearrangement opens a channel to a buried artificial protein cavity. Nat.Struct.Biol. (1996)

Release Date

1997-09-04

Peptides

CYTOCHROME C PEROXIDASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

CYTOCHROME C PEROXIDASE

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