Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

1KYO

YEAST CYTOCHROME BC1 COMPLEX WITH BOUND SUBSTRATE CYTOCHROME C

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, L
(A, L)
UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX CORE PROTEIN Ipolymer43047358.22UniProt (P07256)
Pfam (PF00675)
Pfam (PF05193)
Saccharomyces cerevisiae (baker's yeast)
2B, M
(B, M)
UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX CORE PROTEIN 2polymer35238751.92UniProt (P07257)
Pfam (PF00675)
Saccharomyces cerevisiae (baker's yeast)
3C, N
(C, N)
CYTOCHROME Bpolymer38543674.52UniProt (P00163)
Pfam (PF00033)
Pfam (PF00032)
Saccharomyces cerevisiae (baker's yeast)
4D, O
(D, O)
CYTOCHROME C1, HEME PROTEINpolymer24827807.42UniProt (P07143)
Pfam (PF02167)
Saccharomyces cerevisiae (baker's yeast)
5E, P
(E, P)
UBIQUINOL-CYTOCHROME C REDUCTASE IRON-SULFUR SUBUNITpolymer18520123.02UniProt (P08067)
Pfam (PF02921)
Pfam (PF00355)
Saccharomyces cerevisiae (baker's yeast)RIESKE IRON-SULFUR PROTEIN, RISP
6F, Q
(F, Q)
UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 17 KD PROTEINpolymer748870.72UniProt (P00127)
Pfam (PF02320)
Saccharomyces cerevisiae (baker's yeast)MITOCHONDRIAL HINGE PROTEIN, COMPLEX III POLYPEPTIDE VI
7G, R
(G, R)
UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 14 KD PROTEINpolymer12614452.62UniProt (P00128)
Pfam (PF02271)
Saccharomyces cerevisiae (baker's yeast)COMPLEX III SUBUNIT VII
8H, S
(H, S)
UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX UBIQUINONE-BINDING PROTEIN QP-Cpolymer9310856.32UniProt (P08525)
Pfam (PF02939)
Saccharomyces cerevisiae (baker's yeast)UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 11 KDA PROTEIN, COMPLEX III SUBUNIT VIII
9I, T
(I, T)
UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 7.3 KD PROTEINpolymer576507.52UniProt (P22289)
Pfam (PF05365)
Saccharomyces cerevisiae (baker's yeast)COMPLEX III POLYPEPTIDE IX
10J, U
(J, U)
HEAVY CHAIN (VH) OF FV-FRAGMENTpolymer12714365.82Mus musculus (house mouse)
11K, V
(K, V)
LIGHT CHAIN (VL) OF FV-FRAGMENTpolymer10711926.42Mus musculus (house mouse)
12W
(W)
CYTOCHROME C, ISO-1polymer10812115.91UniProt (P00044)
Pfam (PF00034)
Saccharomyces cerevisiae (baker's yeast)
13AA, CA, DA, FA, HA...
(D, N, O, W, C)
HEME Cnon-polymer618.57Chemie (HEC)
14EA, Z
(N, C)
STIGMATELLIN Anon-polymer514.62Chemie (SMA)
15BA, GA
(E, P)
FE2/S2 (INORGANIC) CLUSTERnon-polymer175.82Chemie (FES)
Sequence modifications
A, L: 27 - 456 (UniProt: P07256)
PDBExternal DatabaseDetails
-Ser 45deletion
Asp 152Glu 153conflict
C, N: 1 - 385 (UniProt: P00163)
PDBExternal DatabaseDetails
Val 270Asp 270SEE REMARK 999
F, Q: 74 - 147 (UniProt: P00127)
PDBExternal DatabaseDetails
Asp 74Val 74conflict
I, T: 2 - 58 (UniProt: P22289)
PDBExternal DatabaseDetails
Lys 55Arg 54conflict
W: 1 - 108 (UniProt: P00044)
PDBExternal DatabaseDetails
M3l 77Lys 77modified residue
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains23
Total formula weight501504.4
Non-Polymers*Number of molecules11
Total formula weight5710.5
All*Total formula weight507214.8
*Water molecules are not included.

239492

PDB entries from 2025-07-30

PDB statisticsPDBj update infoContact PDBjnumon