1Z5U

Crystal structure of S. typhimurium AphA complexed with cyclic-AMP

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)	AphA protein	polymer	214	23870.7	4	GenBank (56694136) Pfam (PF03767) UniProt (by SIFTS) (Q540U1)	Salmonella typhimurium
2	E, G, I, K (A, B, C, D)	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
3	F, H, J, L (A, B, C, D)	ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE	non-polymer		329.2	4	Chemie (CMP)
4	M, N, O, P (A, B, C, D)	water	water		18.0	476	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	95482.8
Non-Polymers*	Number of molecules	8
	Total formula weight	1414.0
All*	Total formula weight	96896.9

*Water molecules are not included.