6EX0

Crystal structure of RelP (SAS2) from Staphylococcus aureus bound to pppGpp in the post-catalytic state

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	GTP pyrophosphokinase	polymer	237	28094.1	2	UniProt (W8U368) Pfam (PF04607) In PDB	Staphylococcus aureus	GTP pyrophosphokinase ywaC,RelA/SpoT domain protein
2	A, B	guanosine 5'-(tetrahydrogen triphosphate) 3'-(trihydrogen diphosphate)	non-polymer		683.1	2	Chemie (0O2)
3	B	FE (II) ION	non-polymer		55.8	1	Chemie (FE2)
4		water	water		18.0	25	Chemie (HOH)

Sequence modifications

A, B: 1 - 230 (UniProt: W8U368)

PDB	External Database	Details
Gly 231	-	expression tag
His 232	-	expression tag
His 233	-	expression tag
His 234	-	expression tag
His 235	-	expression tag
His 236	-	expression tag
His 237	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	56188.3
Non-Polymers*	Number of molecules	3
	Total formula weight	1422.1
All*	Total formula weight	57610.4

*Water molecules are not included.