2HCR

crystal structure of human phosphoribosyl pyrophosphate synthetase 1 in complex with AMP(ATP), cadmium and sulfate ion

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 I	polymer	326	35950.4	2	UniProt (P60891) Pfam (PF13793) Pfam (PF14572) In PDB	Homo sapiens (human)	Phosphoribosyl pyrophosphate synthetase I, PRS-I, PPRibP, PRPP synthetase 1
2	A, B	SULFATE ION	non-polymer		96.1	6	Chemie (SO4)
3	A, B	CADMIUM ION	non-polymer		112.4	2	Chemie (CD)
4	A, B	ADENOSINE MONOPHOSPHATE	non-polymer		347.2	2	Chemie (AMP)
5		water	water		18.0	144	Chemie (HOH)

Sequence modifications

A, B: 1 - 318 (UniProt: P60891)

PDB	External Database	Details
Leu 319	-	expression tag
Glu 320	-	expression tag
His 321	-	expression tag
His 322	-	expression tag
His 323	-	expression tag
His 324	-	expression tag
His 325	-	expression tag
His 326	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	71900.8
Non-Polymers*	Number of molecules	10
	Total formula weight	1495.6
All*	Total formula weight	73396.4

*Water molecules are not included.