4MAR

Crystal structure of purine nucleoside phosphorylase from Meiothermus ruber DSM 1279 complexed with 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, C	Purine nucleoside phosphorylase DeoD-type	polymer	254	28411.2	3	UniProt (D3PPS9) Pfam (PF01048) In PDB	Meiothermus ruber	PNP
2	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	A, B, C	SULFATE ION	non-polymer		96.1	11	Chemie (SO4)
4		water	water		18.0	283	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 232 (UniProt: D3PPS9)

PDB	External Database	Details
Mse -21	-	expression tag
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

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	85233.5
Non-Polymers*	Number of molecules	12
	Total formula weight	1081.0
All*	Total formula weight	86314.5

*Water molecules are not included.