1G2O

CRYSTAL STRUCTURE OF PURINE NUCLEOSIDE PHOSPHORYLASE FROM MYCOBACTERIUM TUBERCULOSIS IN COMPLEX WITH A TRANSITION-STATE INHIBITOR

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 (A, B, C)	PURINE NUCLEOSIDE PHOSPHORYLASE	polymer	268	27599.5	3	UniProt (P0A538) Pfam (PF01048) UniProt (by SIFTS) (P9WP01)	Mycobacterium tuberculosis
2	D, F, H (A, B, C)	PHOSPHATE ION	non-polymer		95.0	3	Chemie (PO4)
3	E, G, I (A, B, C)	1,4-DIDEOXY-4-AZA-1-(S)-(9-DEAZAHYPOXANTHIN-9-YL)-D-RIBITOL	non-polymer		266.3	3	Chemie (IMH)
4	J, K, L (A, B, C)	water	water		18.0	485	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	82798.4
Non-Polymers*	Number of molecules	6
	Total formula weight	1083.7
All*	Total formula weight	83882.0

*Water molecules are not included.