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9FKS

Respiratory supercomplex CIII2-CIV2 from alphaproteobacterium

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, D
(a, d)
Cytochrome bpolymer44050154.72UniProt (A1B4F3)
Pfam (PF00033)
Pfam (PF00032)
Paracoccus denitrificans PD1222
2B, E
(b, e)
Cytochrome c1polymer45046904.32UniProt (A1B4F4)
Pfam (PF02167)
Paracoccus denitrificans PD1222
3C, F
(c, f)
Ubiquinol-cytochrome c reductase iron-sulfur subunitpolymer19520889.22UniProt (A1B4F2)
Pfam (PF10399)
Pfam (PF00355)
Paracoccus denitrificans PD1222
4G, K
(g, k)
Cytochrome c oxidase subunit 1polymer55862486.62UniProt (A1B3D7)
Pfam (PF00115)
Paracoccus denitrificans PD1222
5H, L
(h, l)
Cytochrome c oxidase subunit 2polymer29832563.62UniProt (A1BA41)
Pfam (PF02790)
Pfam (PF00116)
Paracoccus denitrificans PD1222
6I, M
(i, m)
cytochrome-c oxidasepolymer27430833.22UniProt (A1BA37)
Pfam (PF00510)
Paracoccus denitrificans PD1222Cytochrome aa3 subunit 3,Cytochrome c oxidase polypeptide III
7J, N
(j, n)
Aa3 type cytochrome c oxidase subunit IVpolymer667351.52UniProt (A1AZ52)
Pfam (PF07835)
Paracoccus denitrificans PD1222
8O, P
(o, p)
Cytochrome c, class Ipolymer17618177.42UniProt (A1B311)
Pfam (PF00034)
Paracoccus denitrificans PD1222
9CC, FB, FC, GA, JB...
(m, i, d, n, o...)
1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINEnon-polymer790.112Chemie (PC1)
10JA, LA, R, V
(d, a)
UBIQUINONE-10non-polymer863.34Chemie (U10)
11HA, IA, T, U
(d, a)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.54Chemie (HEM)
12OA, QB, WA, X
(e, k, g, b)
CALCIUM IONnon-polymer40.14Chemie (CA)
13PA, Y
(e, b)
HEME Cnon-polymer618.52Chemie (HEC)
14AC, BB, BC, DC, HB...
(m, g, i, n, e...)
1,2-Distearoyl-sn-glycerophosphoethanolaminenon-polymer748.113Chemie (3PE)
15AA, BA, DB, EB, FA...
(c, i, d, m, f...)
2-[2-[(1~{S},2~{S},4~{S},5'~{R},6~{R},7~{S},8~{R},9~{S},12~{S},13~{R},16~{S})-5',7,9,13-tetramethylspiro[5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icos-18-ene-6,2'-oxane]-16-yl]oxyethyl]propane-1,3-diolnon-polymer516.811Chemie (DU0)
16CA, SA
(c, f)
FE2/S2 (INORGANIC) CLUSTERnon-polymer175.82Chemie (FES)
17DA, GB, KA, MC, OB...
(c, i, d, p, k...)
1,2-DIACYL-GLYCEROL-3-SN-PHOSPHATEnon-polymer705.010Chemie (3PH)
18EA
(d)
CARDIOLIPINnon-polymer1464.01Chemie (CDL)
19NB, SB, XA, ZA
(k, g)
HEME-Anon-polymer852.84Chemie (HEA)
20PB, YA
(k, g)
COPPER (II) IONnon-polymer63.52Chemie (CU)
21AB, TB
(g, k)
MANGANESE (II) IONnon-polymer54.92Chemie (MN)
22CB, VB
(h, l)
DINUCLEAR COPPER IONnon-polymer127.12Chemie (CUA)
23EC, IB
(m, i)
ZINC IONnon-polymer65.42Chemie (ZN)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains16
Total formula weight538721.3
Non-Polymers*Number of molecules75
Total formula weight45106.5
All*Total formula weight583827.8
*Water molecules are not included.

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PDB entries from 2026-02-04

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