SMTL ID : 3lf5.1 (2 other biounits)

Structure of Human NADH cytochrome b5 oxidoreductase (Ncb5or) b5 Domain to 1.25A Resolution

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.25 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 15 residues within 4Å: Chain A: Y.36, H.40, P.41, G.42, E.46, L.47, A.50, G.55, F.59, V.62, H.63, V.66, Y.68, M.71, L.72 15 PLIP interactions: 15 interactions with chain A, Hydrophobic interactions: A:Y.36, A:P.41, A:E.46, A:L.47, A:A.50, A:F.59, A:V.62, A:V.62, A:V.66, A:V.66, A:Y.68, A:L.72 pi-Stacking: A:F.59 Metal complexes: A:H.40, A:H.63 HEM.3: 14 residues within 4Å: Chain B: Y.36, H.40, P.41, G.42, E.46, L.47, R.49, L.58, F.59, V.62, H.63, V.66, M.71, L.72 14 PLIP interactions: 14 interactions with chain B, Hydrophobic interactions: B:Y.36, B:P.41, B:P.41, B:E.46, B:E.46, B:R.49, B:L.58, B:F.59, B:V.62, B:V.66, B:L.72 pi-Stacking: B:F.59 Metal complexes: B:H.40, B:H.63

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 3 residues within 4Å: Chain A: G.43, E.44, D.45 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.44, A:D.45 Water bridges: A:E.46 SO4.4: 3 residues within 4Å: Chain B: G.43, E.44, D.45 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:E.44, B:D.45, B:D.45 Water bridges: B:E.46

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Deng, B. et al., Study of the individual cytochrome b5 and cytochrome b5 reductase domains of Ncb5or reveals a unique heme pocket and a possible role of the CS domain. J.Biol.Chem. (2010)

Release Date

2010-07-14

Peptides

Cytochrome b5 reductase 4: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Cytochrome b5 reductase 4

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