1QK3

TOXOPLASMA GONDII HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE GMP COMPLEX

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)	HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE	polymer	233	26705.5	4	UniProt (Q26997) Pfam (PF00156)	TOXOPLASMA GONDII	HGPRTASE
2	E, F, G, H (A, B, C, D)	GUANOSINE-5'-MONOPHOSPHATE	non-polymer		363.2	4	Chemie (5GP)
3	I, J, K, L (A, B, C, D)	water	water		18.0	645	Chemie (HOH)

Sequence modifications

A, B, C, D: 0 - 0 (PDB: 1QK3)
A, B, C, D: 1 - 230 (UniProt: Q26997)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	106822.0
Non-Polymers*	Number of molecules	4
	Total formula weight	1452.9
All*	Total formula weight	108274.9

*Water molecules are not included.