4TS3

Wild type E. Coli purine nucleoside phosphorylase with 2 FMC molecules in active sites

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, D, E... (A, B, C, D, E...)	Purine nucleoside phosphorylase DeoD-type	polymer	237	25721.6	6	UniProt (U0SVH6) Pfam (PF01048) UniProt (by SIFTS) (P0ABP8)	Escherichia coli	PNP
2	G, N (A, F)	(1S)-1-(7-amino-1H-pyrazolo[4,3-d]pyrimidin-3-yl)-1,4-anhydro-D-ribitol	non-polymer		267.2	2	Chemie (FMC)
3	H, I, J, K, L... (A, B, C, D, E...)	PHOSPHATE ION	non-polymer		95.0	6	Chemie (PO4)
4	O, P, Q, R, S... (A, B, C, D, E...)	water	water		18.0	805	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	154329.8
Non-Polymers*	Number of molecules	8
	Total formula weight	1104.3
All*	Total formula weight	155434.1

*Water molecules are not included.