1AJ2

CRYSTAL STRUCTURE OF A BINARY COMPLEX OF E. COLI DIHYDROPTEROATE SYNTHASE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	DIHYDROPTEROATE SYNTHASE	polymer	282	30652.1	1	UniProt (P0AC13) Pfam (PF00809) In PDB	Escherichia coli	DHPS
2	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
3	A	[7,8-DIHYDRO-PTERIN-6-YL METHANYL]-PHOSPHONOPHOSPHATE	non-polymer		355.1	1	Chemie (2PH)
4		water	water		18.0	152	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	30652.1
Non-Polymers*	Number of molecules	2
	Total formula weight	451.2
All*	Total formula weight	31103.3

*Water molecules are not included.