2A9V

Crystal structure of a putative gmp synthase subunit a protein (ta0944m) from thermoplasma acidophilum at 2.45 A resolution

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)	GMP synthase	polymer	212	24100.5	4	UniProt (Q9HJM3) Pfam (PF00117) Pfam (PF07722)	Thermoplasma acidophilum	Glutamine amidotransferase
2	E, H, J, K, N (A, B, C, D)	THIOCYANATE ION	non-polymer		58.1	5	Chemie (SCN)
3	F, I, L, M, O... (A, B, C, D)	GLYCEROL	non-polymer		92.1	7	Chemie (GOL)
4	G (B)	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
5	R, S, T, U (A, B, C, D)	water	water		18.0	211	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 200 (UniProt: Q9HJM3)

PDB	External Database	Details
Mse -11	-	modified residue
Gly -10	-	expression tag
Ser -9	-	expression tag
Asp -8	-	expression tag
Lys -7	-	expression tag
Ile -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Mse 1	Met 1	modified residue
Mse 110	Met 110	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	96402.2
Non-Polymers*	Number of molecules	13
	Total formula weight	970.5
All*	Total formula weight	97372.7

*Water molecules are not included.