3K5H

Crystal structure of carboxyaminoimidazole ribonucleotide synthase from asperigillus clavatus complexed with ATP

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	Phosphoribosyl-aminoimidazole carboxylase	polymer	403	44720.8	4	UniProt (A1CII2) Pfam (PF02222) Pfam (PF17769) In PDB	Aspergillus clavatus
2	A, B, C, D	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	4	Chemie (ATP)
3	A, B, C, D	MAGNESIUM ION	non-polymer		24.3	8	Chemie (MG)
4		water	water		18.0	849	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 383 (UniProt: A1CII2)

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
Glu -7	-	expression tag
Asn -6	-	expression tag
Leu -5	-	expression tag
Tyr -4	-	expression tag
Phe -3	-	expression tag
Gln -2	-	expression tag
Gly -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	178883.3
Non-Polymers*	Number of molecules	12
	Total formula weight	2223.2
All*	Total formula weight	181106.5

*Water molecules are not included.