SMTL ID : 1qx4.1

Structrue of S127P mutant of cytochrome b5 reductase

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

homo-dimer

Ligands

2 x FAD: FLAVIN-ADENINE DINUCLEOTIDE(Non-covalent)

FAD.1: 26 residues within 4Å: Chain A: H.51, P.66, Y.67, T.68, V.82, V.83, K.84, Y.86, G.153, G.154, T.155, G.156, T.158, P.159, A.182, N.183, Q.184, D.213, F.225, C.247, G.248, P.249, P.251, M.252, A.256, F.274 22 PLIP interactions: 22 interactions with chain A Hydrophobic interactions: A:P.66, A:P.66, A:P.159, A:F.274 Hydrogen bonds: A:T.68, A:V.82, A:K.84, A:Y.86, A:T.155, A:T.155, A:T.155, A:Q.184, A:D.213 Water bridges: A:V.82, A:Y.86, A:T.155, A:G.248, A:G.248 Salt bridges: A:K.84, A:K.84 pi-Stacking: A:Y.67, A:F.225 FAD.2: 26 residues within 4Å: Chain B: H.51, P.66, Y.67, T.68, V.82, V.83, K.84, Y.86, G.153, G.154, T.155, G.156, T.158, P.159, A.182, N.183, Q.184, D.213, F.225, C.247, G.248, P.249, P.251, M.252, A.256, F.274 22 PLIP interactions: 22 interactions with chain B Hydrophobic interactions: B:P.66, B:P.66, B:P.159, B:F.274 Hydrogen bonds: B:T.68, B:V.82, B:K.84, B:T.155, B:T.155, B:T.155, B:Q.184, B:D.213 Water bridges: B:V.82, B:Y.86, B:Y.86, B:V.226, B:G.248, B:G.248 Salt bridges: B:K.84, B:K.84 pi-Stacking: B:Y.67, B:F.225

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bewley, M.C. et al., The structure of the S127P mutant of cytochrome b5 reductase that causes methemoglobinemia shows the AMP moiety of the flavin occupying the substrate binding site. Biochemistry (2003)

Release Date

2004-09-14

Peptides

NADH-cytochrome b5 reductase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

NADH-cytochrome b5 reductase