4I5W

Crystal structure of yeast Ap4A phosphorylase Apa2 in complex with AMP

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)
2	C (A)	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
3	D, E, F, G (A, B)	ADENOSINE MONOPHOSPHATE	non-polymer		347.2	4	Chemie (AMP)
4	H, I (A, B)	water	water		18.0	56	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
Non-Polymers*	Number of molecules	5
	Total formula weight	1483.9
All*	Total formula weight	77289.6

*Water molecules are not included.