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1Z9K

Photosynthetic Reaction Center from Rhodobacter sphaeroides

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Reaction center protein L chainpolymer28131346.41UniProt (P02954)
UniProt (by SIFTS) (P0C0Y8)
Rhodobacter sphaeroidesPhotosynthetic reaction center L subunit
2B
(B)
Reaction center protein M chainpolymer30734398.51UniProt (P02953)
UniProt (by SIFTS) (P0C0Y9)
Rhodobacter sphaeroidesPhotosynthetic reaction center M subunit
3C
(C)
Reaction center protein H chainpolymer26028066.31UniProt (P11846)
UniProt (by SIFTS) (P0C0Y7)
Rhodobacter sphaeroidesPhotosynthetic reaction center H subunit
4D, E, I, J
(A, B)
BACTERIOCHLOROPHYLL Anon-polymer911.54Chemie (BCL)
5F, K
(A, B)
BACTERIOPHEOPHYTIN Anon-polymer889.22Chemie (BPH)
6G, L
(A, B)
UBIQUINONE-10non-polymer863.32Chemie (U10)
7H
(B)
FE (III) IONnon-polymer55.81Chemie (FE)
PubChem (29936)
8M
(C)
MANGANESE (II) IONnon-polymer54.91Chemie (MN)
PubChem (27854)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight93811.3
Non-Polymers*Number of molecules10
Total formula weight7261.9
All*Total formula weight101073.2
*Water molecules are not included.

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PDB entries from 2026-03-25

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