SMTL ID : 4rlr.1 (1 other biounit)

Structure of monoheme cytochrome PccH from Geobacter sulfurreducens

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

monomer

Ligands

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

HEM.1: 24 residues within 4Å: Chain A: R.16, C.17, C.20, H.21, Y.29, F.32, L.40, G.43, Q.44, G.45, M.46, M.48, Y.57, D.62, A.65, L.66, R.69, L.70, N.83, M.84, H.87, L.88 Ligands: ZN.2, ZN.4 20 PLIP interactions: 20 interactions with chain A, Hydrophobic interactions: A:F.32, A:L.40, A:Y.57, A:L.66, A:R.69, A:L.70, A:H.87, A:L.88 Hydrogen bonds: A:Y.29, A:N.83 Water bridges: A:Y.29, A:R.68, A:R.69, A:R.69, A:R.69, A:R.69 Salt bridges: A:R.69, A:R.69 pi-Stacking: A:H.87 Metal complexes: A:H.21

3 x ZN: ZINC ION(Non-covalent)

ZN.2: 3 residues within 4Å: Chain A: D.62, A.65 Ligands: HEM.1 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.62, A:D.62, H2O.1, H2O.6 ZN.3: 2 residues within 4Å: Chain A: H.30 Ligands: CAC.5 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.30, H2O.1 ZN.4: 3 residues within 4Å: Chain A: H.87 Ligands: HEM.1, ACT.6 3 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions, 1 Ligand-Ligand interactions Metal complexes: A:H.87, H2O.2, ACT.6

1 x CAC: CACODYLATE ION(Non-covalent)

CAC.5: 2 residues within 4Å: Chain A: H.30 Ligands: ZN.3 No protein-ligand interaction detected (PLIP)

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.6: 6 residues within 4Å: Chain A: R.16, R.86, H.87, G.89, A.90 Ligands: ZN.4 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:R.16, A:H.87

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Dantas, J.M. et al., The structure of PccH from Geobacter sulfurreducens - a novel low reduction potential monoheme cytochrome essential for accepting electrons from an electrode. Febs J. (2015)

Release Date

2015-04-01

Peptides

Cytochrome c, 1 heme-binding site: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Cytochrome c, 1 heme-binding site

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