1PW7

Crystal Structure of E. coli purine nucleoside phosphorylase complexed with 9-beta-D-arabinofuranosyladenine and sulfate/phosphate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C	Purine nucleoside phosphorylase DeoD-type	polymer	239	25981.9	3	UniProt (P0ABP9) Pfam (PF01048) In PDB	Escherichia coli O157:H7	PNP
2	A, B, C	PHOSPHATE ION	non-polymer		95.0	3	Chemie (PO4)
3	A, B, C	2-(6-AMINO-PURIN-9-YL)-5-HYDROXYMETHYL-TETRAHYDRO-FURAN-3,4-DIOL	non-polymer		267.2	3	Chemie (RAB)
4		water	water		18.0	443	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	77945.8
Non-Polymers*	Number of molecules	6
	Total formula weight	1086.6
All*	Total formula weight	79032.5

*Water molecules are not included.