3AW8

Crystal structure of N5-carboxyaminoimidazole ribonucleotide synthetase from Thermus thermophilus HB8

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)	Phosphoribosylaminoimidazole carboxylase, ATPase subunit	polymer	369	40148.1	2	UniProt (Q5SKY0) Pfam (PF22660) Pfam (PF02222) Pfam (PF17769)	Thermus thermophilus	PurK
2	C, E (A, B)	ADENOSINE MONOPHOSPHATE	non-polymer		347.2	2	Chemie (AMP)
3	D, F, G (A, B)	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
4	H, I (A, B)	water	water		18.0	215	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	80296.2
Non-Polymers*	Number of molecules	5
	Total formula weight	800.8
All*	Total formula weight	81097.0

*Water molecules are not included.