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2HHK

Reaction centre from Rhodobacter sphaeroides strain R-26.1 complexed with dibrominated phosphatidylglycerol

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(L)
Reaction center protein L chainpolymer28131346.41UniProt (P0C0Y8)
Pfam (PF00124)
Rhodobacter sphaeroidesPhotosynthetic reaction center L subunit
2B
(M)
Reaction center protein M chainpolymer30734398.51UniProt (P0C0Y9)
Pfam (PF00124)
Rhodobacter sphaeroidesPhotosynthetic reaction center M subunit
3C
(H)
Reaction center protein H chainpolymer26028066.31UniProt (P0C0Y7)
Pfam (PF03967)
Pfam (PF05239)
Rhodobacter sphaeroidesPhotosynthetic reaction center H subunit
4D, E, P, Q
(L, M)
BACTERIOCHLOROPHYLL Anon-polymer911.54Chemie (BCL)
5F, R
(L, M)
BACTERIOPHEOPHYTIN Anon-polymer889.22Chemie (BPH)
6G, S
(L, M)
UBIQUINONE-10non-polymer863.32Chemie (U10)
7EA, H, I, J
(H, L)
GLYCEROLnon-polymer92.14Chemie (GOL)
8K
(M)
FE (III) IONnon-polymer55.81Chemie (FE)
9L
(M)
CHLORIDE IONnon-polymer35.51Chemie (CL)
10M, N, O, Z
(M, H)
PHOSPHATE IONnon-polymer95.04Chemie (PO4)
11T
(M)
CARDIOLIPINnon-polymer1464.01Chemie (CDL)
12U
(M)
(1R)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (9S,10S)-9,10-DIBROMOOCTADECANOATEnon-polymer908.81Chemie (PGK)
13BA, CA, DA, V, W...
(H, M)
LAURYL DIMETHYLAMINE-N-OXIDEnon-polymer229.46Chemie (LDA)
14Y
(H)
POTASSIUM IONnon-polymer39.11Chemie (K)
15AA
(H)
(1S)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATEnon-polymer751.01Chemie (PGT)
16FA, GA, HA
(L, M, H)
waterwater18.0410Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight93811.3
Non-Polymers*Number of molecules28
Total formula weight12530.1
All*Total formula weight106341.3
*Water molecules are not included.

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PDB entries from 2025-06-18

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