6K0K

Crystal structure of Escherichia coli pyruvate kinase II

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 (A, B, C, D)	Pyruvate kinase	polymer	489	52492.2	4	UniProt (C3T5U7) Pfam (PF00224) Pfam (PF02887) UniProt (by SIFTS) (P21599)	Escherichia coli
2	E, G, H, J (A, C, D)	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
3	F, I, K (A, C, D)	CITRIC ACID	non-polymer		192.1	3	Chemie (CIT)
4	L, M, N, O (A, B, C, D)	water	water		18.0	244	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 480 (UniProt: C3T5U7)

PDB	External Database	Details
Ala 481	-	expression tag
Leu 482	-	expression tag
Gly 483	-	expression tag
His 484	-	expression tag
His 485	-	expression tag
His 486	-	expression tag
His 487	-	expression tag
His 488	-	expression tag
His 489	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	209968.9
Non-Polymers*	Number of molecules	7
	Total formula weight	673.6
All*	Total formula weight	210642.5

*Water molecules are not included.