SMTL ID : 6xi0.1

R. capsulatus cyt bc1 (CIII2) at 3.3A

Coordinates

PDB Format Compare

Method

ELECTRON MICROSCOPY

Oligo State

hetero-2-2-2-mer

Ligands

2 x FES: FE2/S2 (INORGANIC) CLUSTER(Non-covalent)

FES.1: 8 residues within 4Å: Chain A: C.133, H.135, L.136, C.138, C.153, C.155, H.156, S.158 4 PLIP interactions: 4 interactions with chain A, Metal complexes: A:C.133, A:H.135, A:C.153, A:H.156 FES.8: 8 residues within 4Å: Chain F: C.133, H.135, L.136, C.138, C.153, C.155, H.156, S.158 4 PLIP interactions: 4 interactions with chain F, Metal complexes: F:C.133, F:H.135, F:C.153, F:H.156

6 x HEC: HEME C(Non-covalent)(Covalent)

HEC.2: 19 residues within 4Å: Chain B: I.59, G.62, I.63, L.65, Y.69, R.94, H.97, A.98, T.142, A.143, G.146, Y.147, L.149, P.150, H.198, Y.199, P.202, N.279, Y.297 17 PLIP interactions: 17 interactions with chain B, Hydrophobic interactions: B:I.63, B:L.65, B:L.65, B:Y.69, B:A.98, B:T.142, B:A.143, B:L.149, B:L.149, B:Y.199, B:Y.199, B:P.202 Hydrogen bonds: B:N.279 Salt bridges: B:R.94, B:R.94 Metal complexes: B:H.97, B:H.198 HEC.3: 19 residues within 4Å: Chain B: W.45, G.48, L.51, A.52, F.104, H.111, I.112, R.114, S.120, R.125, G.132, M.133, V.209, H.212, F.216, T.219, G.220, N.221, N.222 14 PLIP interactions: 14 interactions with chain B, Hydrophobic interactions: B:L.51, B:L.51, B:F.104, B:I.112, B:F.216, B:F.216 Hydrogen bonds: B:G.48, B:T.219, B:N.222 Salt bridges: B:H.111, B:R.114, B:R.125 Metal complexes: B:H.111, B:H.212 HEC.4: 15 residues within 4Å: Chain C: V.54, C.55, C.58, H.59, M.117, G.118, R.128, Y.151, Y.155, F.179, A.202, R.203, M.204, P.207, L.208 13 PLIP interactions: 13 interactions with chain C, Hydrophobic interactions: C:V.54, C:Y.155, C:F.179, C:R.203, C:R.203, C:M.204, C:P.207, C:L.208 Hydrogen bonds: C:Y.151, C:Y.151, C:R.203 Salt bridges: C:R.128 Metal complexes: C:H.59 HEC.5: 19 residues within 4Å: Chain D: I.59, G.62, I.63, L.65, Y.69, R.94, H.97, A.98, T.142, A.143, G.146, Y.147, L.149, P.150, H.198, Y.199, P.202, N.279, Y.297 17 PLIP interactions: 17 interactions with chain D, Hydrophobic interactions: D:I.63, D:L.65, D:L.65, D:Y.69, D:A.98, D:T.142, D:A.143, D:L.149, D:L.149, D:Y.199, D:Y.199, D:P.202 Hydrogen bonds: D:N.279 Salt bridges: D:R.94, D:R.94 Metal complexes: D:H.97, D:H.198 HEC.6: 18 residues within 4Å: Chain D: W.45, G.48, L.51, A.52, F.104, H.111, I.112, R.114, S.120, R.125, G.132, M.133, V.209, H.212, F.216, G.220, N.221, N.222 14 PLIP interactions: 14 interactions with chain D, Hydrophobic interactions: D:L.51, D:L.51, D:F.104, D:I.112, D:F.216, D:F.216 Hydrogen bonds: D:G.48, D:T.219, D:N.222 Salt bridges: D:H.111, D:R.114, D:R.125 Metal complexes: D:H.111, D:H.212 HEC.7: 15 residues within 4Å: Chain E: V.54, C.55, C.58, H.59, M.117, G.118, R.128, Y.151, Y.155, F.179, A.202, R.203, M.204, P.207, L.208 13 PLIP interactions: 13 interactions with chain E, Hydrophobic interactions: E:V.54, E:Y.155, E:F.179, E:R.203, E:R.203, E:M.204, E:P.207, E:L.208 Hydrogen bonds: E:Y.151, E:Y.151, E:R.203 Salt bridges: E:R.128 Metal complexes: E:H.59

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Steimle, S. et al., Cryo-EM structures of engineered active bc 1 -cbb 3 type CIII 2 CIV super-complexes and electronic communication between the complexes. Nat Commun (2021)

Release Date

2020-12-30

Peptides

Ubiquinol-cytochrome c reductase iron-sulfur subunit: AF
Cytochrome b: BD
Cytochrome c1: CE

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
E

F
R

B
C

D
P

C
D

E
Q

Membrane

We predict this structure to be a membrane protein.
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Ubiquinol-cytochrome c reductase iron-sulfur subunit

Cytochrome b

Cytochrome c1

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