8I1N

Crystal structure of APSK2 domain from human PAPSS2 in complex with endogenous APS and ADP

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	Bifunctional 3'-phosphoadenosine 5'-phosphosulfate synthase 2	polymer	197	21809.7	4	UniProt (O95340) Pfam (PF01583) In PDB	Homo sapiens (human)	PAPS synthase 2,PAPSS 2,Sulfurylase kinase 2,SK 2,SK2
2	A, B, C, D	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	4	Chemie (ADP)
3	B, C	ADENOSINE-5'-PHOSPHOSULFATE	non-polymer		427.3	2	Chemie (ADX)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	87238.7
Non-Polymers*	Number of molecules	6
	Total formula weight	2563.4
All*	Total formula weight	89802.1

*Water molecules are not included.