1RR6

Structure of human purine nucleoside phosphorylase in complex with Immucillin-H and phosphate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Purine nucleoside phosphorylase	polymer	289	32184.9	1	UniProt (P00491) Pfam (PF01048) In PDB	Homo sapiens (human)	Inosine phosphorylase, PNP
2	A	PHOSPHATE ION	non-polymer		95.0	3	Chemie (PO4)
3	A	1,4-DIDEOXY-4-AZA-1-(S)-(9-DEAZAHYPOXANTHIN-9-YL)-D-RIBITOL	non-polymer		266.3	1	Chemie (IMH)
4		water	water		18.0	24	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	32184.9
Non-Polymers*	Number of molecules	4
	Total formula weight	551.2
All*	Total formula weight	32736.0

*Water molecules are not included.