5ETJ

Crystal structure of purine nucleoside phosphorylase (E258D, L261A) mutant from human complexed with DADMe-ImmG 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, B, C, D, E...	Purine nucleoside phosphorylase	polymer	324	36092.1	6	UniProt (P00491) Pfam (PF01048) In PDB	Homo sapiens (Human)	PNP,Inosine phosphorylase,Inosine-guanosine phosphorylase
2	A, B, C, D, E...	2-amino-7-{[(3R,4R)-3-hydroxy-4-(hydroxymethyl)pyrrolidin-1-yl]methyl}-3,5-dihydro-4H-pyrrolo[3,2-d]pyrimidin-4-one	non-polymer		279.3	6	Chemie (IM5)
3	A, B, C, D, E...	PHOSPHATE ION	non-polymer		95.0	12	Chemie (PO4)
4		water	water		18.0	352	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F: 1 - 289 (UniProt: P00491)

PDB	External Database	Details
Met -34	-	expression tag
Arg -33	-	expression tag
Gly -32	-	expression tag
Ser -31	-	expression tag
His -30	-	expression tag
His -29	-	expression tag
His -28	-	expression tag
His -27	-	expression tag
His -26	-	expression tag
His -25	-	expression tag
Gly -24	-	expression tag
Met -23	-	expression tag
Ala -22	-	expression tag
Ser -21	-	expression tag
Met -20	-	expression tag
Thr -19	-	expression tag
Gly -18	-	expression tag
Gly -17	-	expression tag
Gln -16	-	expression tag
Gln -15	-	expression tag
Met -14	-	expression tag
Gly -13	-	expression tag
Arg -12	-	expression tag
Asp -11	-	expression tag
Leu -10	-	expression tag
Tyr -9	-	expression tag
Asp -8	-	expression tag
Asp -7	-	expression tag
Asp -6	-	expression tag
Asp -5	-	expression tag
Lys -4	-	expression tag
Asp -3	-	expression tag
Pro -2	-	expression tag
Thr -1	-	expression tag
Leu 0	-	expression tag
Ser 51	Gly 51	conflict
Asp 258	Glu 258	engineered mutation
Ala 261	Leu 261	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	216552.4
Non-Polymers*	Number of molecules	18
	Total formula weight	2815.4
All*	Total formula weight	219367.8

*Water molecules are not included.