4NS1

Crystal structure of purine nucleoside phosphorylase from Porphyromonas gingivalis ATCC 33277, NYSGRC Target 30972

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 (A, B, C, D)	Purine nucleoside phosphorylase	polymer	295	32791.4	4	UniProt (B2RKN6) Pfam (PF01048)	Porphyromonas gingivalis	Inosine-guanosine phosphorylase
2	E, K, P, U (A, B, C, D)	2'-DEOXYADENOSINE-5'-MONOPHOSPHATE	non-polymer		331.2	4	Chemie (D5M)
3	F, J, L, Q, V... (A, B, C, D)	SULFATE ION	non-polymer		96.1	7	Chemie (SO4)
4	G, H, I, M, N... (A, B, C, D)	GLYCEROL	non-polymer		92.1	11	Chemie (GOL)
5	AA, BA, CA, DA (A, B, C, D)	water	water		18.0	1499	Chemie (HOH)

Sequence modifications

A, B, C, D: 16 - 288 (UniProt: B2RKN6)

PDB	External Database	Details
Mse -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Ser 1	-	expression tag
Ser 2	-	expression tag
Gly 3	-	expression tag
Val 4	-	expression tag
Asp 5	-	expression tag
Leu 6	-	expression tag
Gly 7	-	expression tag
Thr 8	-	expression tag
Glu 9	-	expression tag
Asn 10	-	expression tag
Leu 11	-	expression tag
Tyr 12	-	expression tag
Phe 13	-	expression tag
Gln 14	-	expression tag
Ser 15	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	131165.5
Non-Polymers*	Number of molecules	22
	Total formula weight	3010.4
All*	Total formula weight	134175.9

*Water molecules are not included.