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2H89

Avian Respiratory Complex II with Malonate Bound

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
SUCCINATE DEHYDROGENASE FLAVOPROTEIN SUBUNITpolymer62168256.91UniProt (Q9YHT1)
Pfam (PF00890)
Pfam (PF02910)
Gallus gallus (chicken)
2B
(B)
Succinate dehydrogenase Ip subunitpolymer25228685.21UniProt (Q9YHT2)
Pfam (PF13085)
Pfam (PF13534)
Gallus gallus (chicken)
3C
(C)
SUCCINATE DEHYDROGENASE CYTOCHROME B, LARGE SUBUNITpolymer14015392.11PDB (2H89)
Pfam (PF01127)
UniProt (by SIFTS) (D0VWW3)
Gallus gallus (chicken)
4D
(D)
SUCCINATE DEHYDROGENASE CYTOCHROME B, SMALL SUBUNITpolymer10310971.61UniProt (Q5ZIS0)
Pfam (PF05328)
Gallus gallus (chicken)
5E, W
(A, B)
POTASSIUM IONnon-polymer39.12Chemie (K)
6F
(A)
FLAVIN-ADENINE DINUCLEOTIDEnon-polymer785.51Chemie (FAD)
7G
(A)
MALONATE IONnon-polymer102.01Chemie (MLI)
8AA, AB, BA, BB, CA...
(B, D, A, C)
UNKNOWN LIGANDnon-polymer40Chemie (UNL)
9X
(B)
FE2/S2 (INORGANIC) CLUSTERnon-polymer175.81Chemie (FES)
10Y
(B)
IRON/SULFUR CLUSTERnon-polymer351.61Chemie (SF4)
11Z
(B)
FE3-S4 CLUSTERnon-polymer295.81Chemie (F3S)
12KA
(C)
hexyl beta-D-galactopyranosidenon-polymer264.31Chemie (BHG)
13LA
(C)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.51Chemie (HEM)
14MA, WA
(C, D)
1,2-dioleoyl-sn-glycero-3-phosphoethanolaminenon-polymer744.02Chemie (PEE)
15DB, EB, FB, GB
(A, B, C, D)
waterwater18.0580Chemie (HOH)
Sequence modifications
A: 1 - 621 (UniProt: Q9YHT1)
PDBExternal DatabaseDetails
Arg 501Cys 545conflict
Leu 556Phe 600conflict
Glu 560Asp 604conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight123305.8
Non-Polymers*Number of molecules51
Total formula weight4157.9
All*Total formula weight127463.7
*Water molecules are not included.

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PDB entries from 2025-08-27

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