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1KB9

YEAST CYTOCHROME BC1 COMPLEX

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX CORE PROTEIN Ipolymer43147445.21UniProt (P07256)
Pfam (PF00675)
Pfam (PF05193)
Saccharomyces cerevisiae (baker's yeast)
2B
(B)
UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX CORE PROTEIN 2polymer35238751.91UniProt (P07257)
Pfam (PF00675)
Saccharomyces cerevisiae (baker's yeast)
3C
(C)
CYTOCHROME Bpolymer38543674.51UniProt (P00163)
Pfam (PF00033)
Pfam (PF00032)
Saccharomyces cerevisiae (baker's yeast)
4D
(D)
CYTOCHROME C1, HEME PROTEINpolymer24627521.01UniProt (P07143)
Pfam (PF02167)
Saccharomyces cerevisiae (baker's yeast)
5E
(E)
UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNITpolymer18520123.01UniProt (P08067)
Pfam (PF02921)
Pfam (PF00355)
Saccharomyces cerevisiae (baker's yeast)RIESKE IRON-SULFUR PROTEIN, RISP
6F
(F)
UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KD PROTEINpolymer748854.81UniProt (P00127)
Pfam (PF02320)
Saccharomyces cerevisiae (baker's yeast)MITOCHONDRIAL HINGE PROTEIN, COMPLEX III POLYPEPTIDE VI
7G
(G)
UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 14 KD PROTEINpolymer12514355.41UniProt (P00128)
Pfam (PF02271)
Saccharomyces cerevisiae (baker's yeast)COMPLEX III SUBUNIT VII
8H
(H)
UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-Cpolymer9310856.31UniProt (P08525)
Pfam (PF02939)
Saccharomyces cerevisiae (baker's yeast)UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN, COMPLEX III SUBUNIT VIII
9I
(I)
UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KD PROTEINpolymer556301.21UniProt (P22289)
Pfam (PF05365)
Saccharomyces cerevisiae (baker's yeast)COMPLEX III POLYPEPTIDE IX
10J
(J)
HEAVY CHAIN (VH) OF FV-FRAGMENTpolymer12714365.81Mus musculus (house mouse)
11K
(K)
LIGHT CHAIN (VL) OF FV-FRAGMENTpolymer10711926.41Mus musculus (house mouse)
12L
(A)
1,2-DIACYL-SN-GLYCERO-3-PHOSHOCHOLINEnon-polymer734.01Chemie (PCF)
13M
(A)
UNDECYL-MALTOSIDEnon-polymer496.61Chemie (UMQ)
14N, O, V
(C, D)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.53Chemie (HEM)
15P
(C)
STIGMATELLIN Anon-polymer514.61Chemie (SMA)
16Q
(C)
5-(3,7,11,15,19,23-HEXAMETHYL-TETRACOSA-2,6,10,14,18,22-HEXAENYL)-2,3-DIMETHOXY-6-METHYL-BENZENE-1,4-DIOLnon-polymer592.91Chemie (UQ6)
17R
(C)
1,2-DIACYL-SN-GLYCERO-3-PHOSPHOINOSITOLnon-polymer836.11Chemie (PIE)
18S, U
(C)
DI-PALMITOYL-3-SN-PHOSPHATIDYLETHANOLAMINEnon-polymer692.02Chemie (PEF)
19T
(C)
CARDIOLIPINnon-polymer1464.01Chemie (CDL)
20W
(E)
FE2/S2 (INORGANIC) CLUSTERnon-polymer175.81Chemie (FES)
21AA, BA, CA, DA, EA...
(D, E, F, G, H...)
waterwater18.0321Chemie (HOH)
Sequence modifications
A: 27 - 457 (UniProt: P07256)
PDBExternal DatabaseDetails
Asp 153Glu 150conflict
C: 1 - 385 (UniProt: P00163)
PDBExternal DatabaseDetails
Val 270Asp 270conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains11
Total formula weight244175.6
Non-Polymers*Number of molecules12
Total formula weight8047.5
All*Total formula weight252223.1
*Water molecules are not included.

239149

PDB entries from 2025-07-23

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