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3RKH

Structure of the Thioalkalivibrio nitratireducens cytochrome c nitrite reductase in a complex with nitrite (full occupancy)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Eight-heme nitrite reductasepolymer52058933.82UniProt (Q5F2I3)
Pfam (PF02335)
UniProt (by SIFTS) (L0DSL2)
Thioalkalivibrio nitratireducens
2C, D, E, F, G...
(A, B)
HEME Cnon-polymer618.516Chemie (HEC)
3K, V
(A, B)
NITRITE IONnon-polymer46.02Chemie (NO2)
4L, W
(A, B)
CALCIUM IONnon-polymer40.12Chemie (CA)
5M, X
(A, B)
(4R)-2-METHYLPENTANE-2,4-DIOLnon-polymer118.22Chemie (MRD)
6Y, Z
(A, B)
waterwater18.01327Chemie (HOH)
Sequence modifications
A, B: 5 - 523 (UniProt: Q5F2I3)
PDBExternal DatabaseDetails
Val 524-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight117867.6
Non-Polymers*Number of molecules22
Total formula weight10304.6
All*Total formula weight128172.1
*Water molecules are not included.

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PDB entries from 2025-12-24

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