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3Q4W

The structure of archaeal inorganic pyrophosphatase in complex with substrate

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Tt-IPPasepolymer17820880.91UniProt (by SIFTS) (H2L2L6)Thermococcus thioreducens
2B, C, G
(A)
CALCIUM IONnon-polymer40.13Chemie (CA)
3D
(A)
PYROPHOSPHATE 2-non-polymer176.01Chemie (POP)
4E
(A)
BROMIDE IONnon-polymer79.91Chemie (BR)
5F
(A)
SODIUM IONnon-polymer23.01Chemie (NA)
6H
(A)
waterwater18.0262Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight20880.9
Non-Polymers*Number of molecules6
Total formula weight399.1
All*Total formula weight21280.0
*Water molecules are not included.

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PDB entries from 2026-02-25

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