7PN0

Crystal structure of the Phosphorybosylpyrophosphate synthetase II from Thermus thermophilus at R32 space group

Replaces:  7AWO

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Ribose-phosphate pyrophosphokinase	polymer	316	34364.4	2	UniProt (A0A7G5B4V6) Pfam (PF13793) Pfam (PF14572) UniProt (by SIFTS) (Q5SHU3) In PDB	Thermus thermophilus	RPPK,5-phospho-D-ribosyl alpha-1-diphosphate,Phosphoribosyl diphosphate synthase,Phosphoribosyl pyrophosphate synthase,P-Rib-PP synthase,PRPP synthase,PRPPase
2	A, B	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	2	Chemie (ADP)
3	A, B	SULFATE ION	non-polymer		96.1	8	Chemie (SO4)
4		water	water		18.0	252	Chemie (HOH)

Sequence modifications

A, B: 3 - 310 (UniProt: A0A7G5B4V6)

PDB	External Database	Details
Leu 311	-	expression tag
Glu 312	-	expression tag
His 313	-	expression tag
His 314	-	expression tag
His 315	-	expression tag
His 316	-	expression tag
His 317	-	expression tag
His 318	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	68728.9
Non-Polymers*	Number of molecules	10
	Total formula weight	1622.9
All*	Total formula weight	70351.8

*Water molecules are not included.