8SWT

Structure of Bacteroides fragilis PNP bound to transition state analog IMMUCILLIN H and sulfate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Purine nucleoside phosphorylase	polymer	294	32605.4	2	UniProt (Q5LAA3) Pfam (PF01048)	Bacteroides fragilis NCTC 9343
2	C, E (A, B)	1,4-DIDEOXY-4-AZA-1-(S)-(9-DEAZAHYPOXANTHIN-9-YL)-D-RIBITOL	non-polymer		266.3	2	Chemie (IMH)
3	D, F (A, B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4	G, H (A, B)	water	water		18.0	495	Chemie (HOH)

Sequence modifications

A, B: 2 - 272 (UniProt: Q5LAA3)

PDB	External Database	Details
Met -21	-	initiating methionine
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
Ser -14	-	expression tag
Ser -13	-	expression tag
Gly -12	-	expression tag
Val -11	-	expression tag
Asp -10	-	expression tag
Leu -9	-	expression tag
Gly -8	-	expression tag
Thr -7	-	expression tag
Glu -6	-	expression tag
Asn -5	-	expression tag
Leu -4	-	expression tag
Tyr -3	-	expression tag
Phe -2	-	expression tag
Gln -1	-	expression tag
Ser 0	-	expression tag
Met 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	65210.8
Non-Polymers*	Number of molecules	4
	Total formula weight	724.6
All*	Total formula weight	65935.4

*Water molecules are not included.