SMTL ID : 1cpg.1

A CATION BINDING MOTIF STABILIZES THE COMPOUND I RADICAL OF CYTOCHROME C PEROXIDASE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

monomer

Ligands

1 x K: POTASSIUM ION(Non-covalent)

K.1: 6 residues within 4Å: Chain A: H.177, L.179, G.180, K.181, Q.193 Ligands: HEM.2 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.177, A:L.179, H2O.8

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

HEM.2: 21 residues within 4Å: Chain A: P.46, R.50, W.53, P.147, D.148, A.149, F.160, L.173, M.174, A.176, H.177, L.179, G.180, K.181, T.182, H.183, N.186, S.187, L.234, T.236 Ligands: K.1 22 PLIP interactions: 21 interactions with chain A, 1 Ligand-Water interactions Hydrophobic interactions: A:R.50, A:W.53, A:W.53, A:W.53, A:P.147, A:A.149, A:F.160, A:A.176, A:T.182, A:L.234 Hydrogen bonds: A:K.181, A:H.183, A:N.186, A:S.187 Water bridges: A:R.50 Salt bridges: A:R.50, A:H.183, A:H.183 pi-Stacking: A:W.53 pi-Cation interactions: A:R.50 Metal complexes: A:H.177, H2O.4

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Miller, M.A. et al., A cation binding motif stabilizes the compound I radical of cytochrome c peroxidase. Proc.Natl.Acad.Sci.USA (1994)

Release Date

1994-11-01

Peptides

CYTOCHROME C PEROXIDASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

CYTOCHROME C PEROXIDASE