1X6V

The crystal structure of human 3'-phosphoadenosine-5'-phosphosulfate synthetase 1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B, A	Bifunctional 3'-phosphoadenosine 5'-phosphosulfate synthetase 1	polymer	630	71698.9	2	UniProt (O43252) Pfam (PF01583) Pfam (PF14306) Pfam (PF01747) In PDB	Homo sapiens (human)	PAPS synthetase 1, PAPSS 1, Sulfurylase kinase 1, SK1, SK 1
2	B, A	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
3	B	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	1	Chemie (ADP)
4		water	water		18.0	1091	Chemie (HOH)

Sequence modifications

B, A: 1 - 624 (UniProt: O43252)

PDB	External Database	Details
Ser 416	Phe 416	conflict
His 625	-	expression tag
His 626	-	expression tag
His 627	-	expression tag
His 628	-	expression tag
His 629	-	expression tag
His 630	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	143397.9
Non-Polymers*	Number of molecules	3
	Total formula weight	498.1
All*	Total formula weight	143896.0

*Water molecules are not included.