2PFK

THE CRYSTAL STRUCTURE OF UNLIGANDED PHOSPHOFRUCTOKINASE FROM ESCHERICHIA COLI

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	6-PHOSPHOFRUCTOKINASE ISOZYME I	polymer	320	34885.0	4	PIR (KIECFA) Pfam (PF00365) UniProt (by SIFTS) (P0A796) In PDB	Escherichia coli
2		water	water		18.0	347	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	139540.2
All*	Total formula weight	139540.2

*Water molecules are not included.