SMTL ID : 4l2i.1

Electron transferring flavoprotein of Acidaminococcus fermentans: Towards a mechanism of flavin-based electron bifurcation

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.45 Å

Oligo State

hetero-1-1-mer

Ligands

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

FAD.1: 29 residues within 4Å: Chain A: G.226, R.227, G.228, K.230, S.252, R.253, A.254, Q.266, V.267, G.268, Q.269, S.270, G.271, G.283, I.284, S.285, S.287, Q.289, H.290, I.303, N.304, K.305, D.306, G.321, D.322, A.323 Chain B: P.36, Y.37, Y.40 30 PLIP interactions: 27 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:R.227, A:G.228, A:S.252, A:R.253, A:R.253, A:A.254, A:Q.266, A:V.267, A:S.270, A:G.271, A:S.285, A:S.285, A:S.287, A:Q.289, A:N.304, A:K.305, A:D.306, A:D.322, A:A.323 Water bridges: A:R.253, A:R.253, A:S.285, A:G.286, A:S.287, A:D.306 Salt bridges: A:R.227 pi-Cation interactions: A:R.253 Hydrophobic interactions: B:P.36, B:Y.37, B:Y.40 FAD.3: 33 residues within 4Å: Chain A: L.127, C.128, A.129, R.146, A.148, A.155, I.157 Chain B: C.6, V.7, K.8, N.35, D.38, I.59, T.60, M.61, A.92, D.93, T.94, T.97, M.101, C.116, G.117, Q.119, A.120, D.122, G.123, D.124, T.125, A.126, Q.127, V.128, T.221 Ligands: NAD.4 27 PLIP interactions: 22 interactions with chain B, 5 interactions with chain A Hydrogen bonds: B:N.35, B:D.38, B:T.60, B:M.61, B:M.61, B:A.92, B:T.94, B:G.117, B:Q.119, B:A.120, B:G.123, B:G.123, B:T.125, B:A.126, B:Q.127, B:Q.127, B:V.128, B:G.129, B:T.221, A:L.127, A:A.129, A:R.146 Water bridges: B:K.8, B:K.8 Salt bridges: B:K.8 Hydrophobic interactions: A:A.148, A:A.155

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.2: 5 residues within 4Å: Chain A: R.118, R.122, R.199 Chain B: E.134, G.137 Ligand excluded by PLIP

1 x NAD: NICOTINAMIDE-ADENINE-DINUCLEOTIDE(Non-covalent)

NAD.4: 13 residues within 4Å: Chain B: K.8, M.61, G.62, P.63, V.84, S.85, D.86, R.87, F.89, G.90, G.91, A.92 Ligands: FAD.3 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:D.86, B:G.91 Water bridges: B:S.85, B:R.87, B:D.122

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chowdhury, N.P. et al., Studies on the Mechanism of Electron Bifurcation Catalyzed by Electron Transferring Flavoprotein (Etf) and Butyryl-CoA Dehydrogenase (Bcd) of Acidaminococcus fermentans. J.Biol.Chem. (2014)

Release Date

2014-01-15

Peptides

Electron transfer flavoprotein alpha subunit: A
Electron transfer flavoprotein alpha/beta-subunit: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Electron transfer flavoprotein alpha subunit

Electron transfer flavoprotein alpha/beta-subunit

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