4I5T

Crystal structure of yeast Ap4A phosphorylase Apa2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	5',5'''-P-1,P-4-tetraphosphate phosphorylase 2	polymer	333	37902.9	2	UniProt (P22108) Pfam (PF19327) Pfam (PF09830)	Saccharomyces cerevisiae (Baker's yeast)	ATP adenylyltransferase, Ap4A phosphorylase II, AP,A phosphorylase, Diadenosine 5',5'''-P1,P4-tetraphosphate phosphorylase, AP-4-A phosphorylase
2	C, D (A, B)	water	water		18.0	224	Chemie (HOH)

Sequence modifications

A, B: 1 - 325 (UniProt: P22108)

PDB	External Database	Details
Met -7	-	expression tag
Gly -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	75805.7
All*	Total formula weight	75805.7

*Water molecules are not included.