4KS0

Pyruvate kinase (PYK) from Trypanosoma cruzi in the presence of Magnesium, oxalate and F26BP

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	519	56847.1	2	UniProt (Q4D9Z4) Pfam (PF00224) Pfam (PF02887)	Trypanosoma cruzi
2	C, G (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	D, H (A, B)	POTASSIUM ION	non-polymer		39.1	2	Chemie (K)
4	E, I (A, B)	OXALATE ION	non-polymer		88.0	2	Chemie (OXL)
5	F, J (A, B)	2,6-di-O-phosphono-beta-D-fructofuranose	non-polymer		340.1	2	Chemie (FDP)
6	K, L (A, B)	water	water		18.0	254	Chemie (HOH)

Sequence modifications

A, B: 1 - 499 (UniProt: Q4D9Z4)

PDB	External Database	Details
Met -19	-	expression tag
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	113694.1
Non-Polymers*	Number of molecules	8
	Total formula weight	983.1
All*	Total formula weight	114677.2

*Water molecules are not included.