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2ACZ

Complex II (Succinate Dehydrogenase) From E. Coli with Atpenin A5 inhibitor co-crystallized at the ubiquinone binding site

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Succinate dehydrogenase flavoprotein subunitpolymer58864502.81UniProt (P10444)
Pfam (PF00890)
Pfam (PF02910)
UniProt (by SIFTS) (P0AC41)
Escherichia coli
2B
(B)
Succinate dehydrogenase iron-sulfur proteinpolymer23826800.91UniProt (P07014)
Pfam (PF13085)
Pfam (PF13534)
Escherichia coli
3C
(C)
Succinate dehydrogenase cytochrome b556 subunitpolymer12914313.11UniProt (P69054)
Pfam (PF01127)
Escherichia coliCytochrome b-556
4D
(D)
Succinate dehydrogenase hydrophobic membrane anchor proteinpolymer11512874.41UniProt (P10445)
Pfam (PF01127)
UniProt (by SIFTS) (P0AC44)
Escherichia coli
5E
(A)
OXALOACETATE IONnon-polymer131.11Chemie (OAA)
6F
(A)
FLAVIN-ADENINE DINUCLEOTIDEnon-polymer785.51Chemie (FAD)
7G
(B)
FE2/S2 (INORGANIC) CLUSTERnon-polymer175.81Chemie (FES)
8H
(B)
IRON/SULFUR CLUSTERnon-polymer351.61Chemie (SF4)
9I
(B)
FE3-S4 CLUSTERnon-polymer295.81Chemie (F3S)
10J
(C)
HEME B/Cnon-polymer618.51Chemie (HEB)
11K
(C)
3-[(2S,4S,5R)-5,6-DICHLORO-2,4-DIMETHYL-1-OXOHEXYL]-4-HYDROXY-5,6-DIMETHOXY-2(1H)-PYRIDINONEnon-polymer366.21Chemie (AT5)
12L
(C)
CARDIOLIPINnon-polymer1151.51Chemie (CDN)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight118491.2
Non-Polymers*Number of molecules8
Total formula weight3876.1
All*Total formula weight122367.3
*Water molecules are not included.

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PDB entries from 2025-06-18

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