8IAW

Crystal structure of Streptococcus pneumoniae pyruvate kinase in complex with phosphoenolpyruvate

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Pyruvate kinase	polymer	521	56993.6	2	UniProt (Q8DQ84) Pfam (PF00224) Pfam (PF02887)	Streptococcus pneumoniae R6
2	C, H (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	D, I (A, B)	PHOSPHOENOLPYRUVATE	non-polymer		168.0	2	Chemie (PEP)
4	E, F, G, J, K... (A, B)	SULFATE ION	non-polymer		96.1	6	Chemie (SO4)
5	M, N (A, B)	water	water		18.0	21	Chemie (HOH)

Sequence modifications

A, B: 1 - 501 (UniProt: Q8DQ84)

PDB	External Database	Details
Met -19	-	initiating methionine
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	113987.2
Non-Polymers*	Number of molecules	10
	Total formula weight	961.1
All*	Total formula weight	114948.3

*Water molecules are not included.