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1M73

CRYSTAL STRUCTURE OF HUMAN PNP AT 2.3A RESOLUTION

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(E)
PURINE NUCLEOSIDE PHOSPHORYLASEpolymer28832053.71UniProt (P00491)
Pfam (PF01048)
Homo sapiens (human)Inosine phosphorylase, PNP
2B, C, D
(E)
SULFATE IONnon-polymer96.13Chemie (SO4)
3E
(E)
waterwater18.068Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight32053.7
Non-Polymers*Number of molecules3
Total formula weight288.2
All*Total formula weight32341.9
*Water molecules are not included.

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PDB entries from 2025-12-17

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