6VWP

Crystal structure of E. coli guanosine kinase in complex with 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...	Inosine-guanosine kinase	polymer	437	48784.9	8	UniProt (P0AEW6) Pfam (PF00294) In PDB	Escherichia coli (strain K12)
2	E, A, F, B, G...	GUANOSINE-5',3'-TETRAPHOSPHATE	non-polymer		603.2	8	Chemie (G4P)
3	D, E, A, F, B...	GUANOSINE	non-polymer		283.2	16	Chemie (GMP)
4	D, E, A, F, B...	POTASSIUM ION	non-polymer		39.1	12	Chemie (K)
5	D, E, A, F, G...	MAGNESIUM ION	non-polymer		24.3	7	Chemie (MG)

Sequence modifications

A, B, C, D, E, F, G, H: 1 - 434 (UniProt: P0AEW6)

PDB	External Database	Details
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	390279.2
Non-Polymers*	Number of molecules	43
	Total formula weight	9996.4
All*	Total formula weight	400275.7

*Water molecules are not included.