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9OCR

Cryo-EM structure of the CIII2 featuring FES in c-position from Bacillus subtilis

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, I
(A, a)
Menaquinol:cytochrome c reductase iron-sulfur subunitpolymer16718759.42UniProt (P46911)
Pfam (PF00355)
Bacillus subtilisCytochrome bc complex,iron-sulfur subunit,Rieske iron-sulfur protein QcrA
2B, J
(B, b)
Menaquinol:cytochrome c reductase cytochrome b subunitpolymer22425513.12UniProt (P46912)
Pfam (PF00033)
Bacillus subtilisCytochrome bc complex,cytochrome b subunit
3C, K
(C, c)
Menaquinol:cytochrome c reductase cytochrome c subunitpolymer25528195.72UniProt (P46913)
Pfam (PF00032)
Pfam (PF13442)
Bacillus subtilisCytochrome bc complex,cytochrome c subunit
4D, L
(D, d)
YqgWpolymer576260.52UniProt (P54500)
Pfam (PF10958)
Bacillus subtilis
5E, M
(E, e)
YqgYpolymer819427.22UniProt (P54502)
Pfam (PF11117)
Bacillus subtilis
6F, N
(F, f)
QcrFpolymer231975.42Bacillus subtilis
7G, O
(G, g)
QcrGpolymer293194.92Bacillus subtilis
8H, P
(H, h)
YqzMpolymer444846.52UniProt (C0H453)
Pfam (PF14141)
Bacillus subtilis
9Q, Z
(A, a)
FE2/S2 (INORGANIC) CLUSTERnon-polymer175.82Chemie (FES)
10EA, GA, R, W
(b, c, B, C)
HEME Cnon-polymer620.54Chemie (HEC)
11AA, BA, S, T
(b, B)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.54Chemie (HEM)
12CA, FA, U, V
(b, c, B, C)
MENAQUINONE-7non-polymer649.04Chemie (MQ7)
PubChem (5287554)
13HA, IA, JA, X
(c, e, g, C)
1,2-dioleoyl-sn-glycero-3-phosphoethanolaminenon-polymer744.04Chemie (PEE)
14Y
(E)
1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINEnon-polymer790.11Chemie (PC1)
15DA
(b)
CARDIOLIPINnon-polymer1464.01Chemie (CDL)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains16
Total formula weight196345.5
Non-Polymers*Number of molecules20
Total formula weight13126.0
All*Total formula weight209471.4
*Water molecules are not included.

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PDB entries from 2026-11-11

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