1HOP

STRUCTURE OF GUANINE NUCLEOTIDE (GPPCP) COMPLEX OF ADENYLOSUCCINATE SYNTHETASE FROM ESCHERICHIA COLI AT PH 6.5 AND 25 DEGREES CELSIUS

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	ADENYLOSUCCINATE SYNTHETASE	polymer	431	47269.6	2	UniProt (P0A7D4) Pfam (PF00709) In PDB	Escherichia coli
2	A, B	PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTER	non-polymer		521.2	2	Chemie (GCP)
3		water	water		18.0	345	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	94539.2
Non-Polymers*	Number of molecules	2
	Total formula weight	1042.4
All*	Total formula weight	95581.6

*Water molecules are not included.