1H52

Binding of Phosphate and Pyrophosphate ions at the active site of human Angiogenin as revealed by X-ray Crystallography

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	ANGIOGENIN	polymer	123	14152.0	1	UniProt (P03950) Pfam (PF00074) In PDB	HOMO SAPIENS (HUMAN)
2	A	PYROPHOSPHATE 2-	non-polymer		176.0	1	Chemie (POP)
3		water	water		18.0	103	Chemie (HOH)

Sequence modifications

A: 1 - 123 (UniProt: P03950)

PDB	External Database	Details
Pca 1	Glu 25	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	14152.0
Non-Polymers*	Number of molecules	1
	Total formula weight	176.0
All*	Total formula weight	14328.0

*Water molecules are not included.