2VB9

beta-ketoacyl-ACP synthase I (KAS) from E. coli, apo structure

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	3-OXOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE 1	polymer	406	42656.2	4	UniProt (P0A953) Pfam (PF00109) Pfam (PF02801) In PDB	ESCHERICHIA COLI	BETA-KETOACYL-ACP SYNTHASE I, 3-OXOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE I, KAS I
2	A, B	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
3		water	water		18.0	2334	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	170624.8
Non-Polymers*	Number of molecules	2
	Total formula weight	70.9
All*	Total formula weight	170695.7

*Water molecules are not included.