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3U40

Crystal structure of a purine nucleoside phosphorylase from Entamoeba histolytica bound to adenosine

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D, E...
(A, B, C, D, E...)
Purine nucleoside phosphorylasepolymer24226597.56UniProt (C4LXG4)
Pfam (PF01048)
Entamoeba histolyticaPNPase
2G, I, K, M, Q...
(A, B, C, D, E...)
ADENOSINEnon-polymer267.26Chemie (ADN)
3H, J, L, O, P...
(A, B, C, D, E...)
NITRATE IONnon-polymer62.07Chemie (NO3)
4N
(D)
PHOSPHATE IONnon-polymer95.01Chemie (PO4)
5U, V, W, X, Y...
(A, B, C, D, E...)
waterwater18.0570Chemie (HOH)
Sequence modifications
A, B, C, D, E, F: 1 - 238 (UniProt: C4LXG4)
PDBExternal DatabaseDetails
Gly -3-expression tag
Pro -2-expression tag
Gly -1-expression tag
Ser 0-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains6
Total formula weight159585.2
Non-Polymers*Number of molecules14
Total formula weight2132.5
All*Total formula weight161717.7
*Water molecules are not included.

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PDB entries from 2025-07-16

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