7RMW

Crystal structure of B. subtilis PurR bound to ppGpp

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, E... (A, B, C, D, E...)	Pur operon repressor	polymer	285	31260.9	6	UniProt (A0A063X7Y1) Pfam (PF09182) Pfam (PF00156) UniProt (by SIFTS) (P37551)	Bacillus subtilis
2	G, H, I, J (A, B, C, F)	GUANOSINE-5',3'-TETRAPHOSPHATE	non-polymer		603.2	4	Chemie (G4P)
3	K, L, M, N, O... (A, B, C, D, E...)	water	water		18.0	96	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	187565.4
Non-Polymers*	Number of molecules	4
	Total formula weight	2412.6
All*	Total formula weight	189978.1

*Water molecules are not included.