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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)Rhodobacter sphaeroidesPhotosynthetic reaction center L subunit
2B
(M)
Reaction center protein M chainpolymer30734398.51UniProt (P0C0Y9)Rhodobacter sphaeroidesPhotosynthetic reaction center M subunit
3C
(H)
Reaction center protein H chainpolymer26028066.31UniProt (P0C0Y7)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)
PubChem (753)
8K
(M)
FE (III) IONnon-polymer55.81Chemie (FE)
PubChem (29936)
9L
(M)
CHLORIDE IONnon-polymer35.51Chemie (CL)
PubChem (312)
10M, N, O, Z
(M, H)
PHOSPHATE IONnon-polymer95.04Chemie (PO4)
PubChem (1061)
11T
(M)
CARDIOLIPINnon-polymer1464.01Chemie (CDL)
PubChem (5287898)
PubChem (17753886)
12U
(M)
(1R)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (9S,10S)-9,10-DIBROMOOCTADECANOATEnon-polymer908.81Chemie (PGK)
PubChem (16040249)
PubChem (101167873)
13BA, CA, DA, V, W...
(H, M)
LAURYL DIMETHYLAMINE-N-OXIDEnon-polymer229.46Chemie (LDA)
PubChem (15433)
14Y
(H)
POTASSIUM IONnon-polymer39.11Chemie (K)
PubChem (813)
15AA
(H)
(1S)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATEnon-polymer751.01Chemie (PGT)
PubChem (449008)
PubChem (16040248)
PubChem (25267633)
PubChem (102447212)
PubChem (172432040)
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.

251801

PDB entries from 2026-04-08

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