38YW

Crystal structure of Phosphoribosylaminoimidazole carboxylase from Burkholderia xenovorans (Apo)

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)	N5-carboxyaminoimidazole ribonucleotide synthase	polymer	397	42509.5	4	UniProt (Q13UJ9) Pfam (PF22660) Pfam (PF02222) Pfam (PF17769)	Paraburkholderia xenovorans LB400	N5-CAIR synthase,5-(carboxyamino)imidazole ribonucleotide synthetase
2	E, G, I, L (A, B, C, D)	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG) PubChem (888)
3	F, K (B, D)	MALONATE ION	non-polymer		102.0	2	Chemie (MLI) PubChem (9084)
4	H, J (B, C)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL) PubChem (312)
5	M, N, O, P (A, B, C, D)	water	water		18.0	41	Chemie (HOH)

Sequence modifications

A, B, C, D: 9 - 397 (UniProt: Q13UJ9)

PDB	External Database	Details
Met 1	-	expression tag
Ala 2	-	expression tag
His 3	-	expression tag
His 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	170038.1
Non-Polymers*	Number of molecules	8
	Total formula weight	372.2
All*	Total formula weight	170410.3

*Water molecules are not included.