1VJ7

Crystal structure of the bifunctional catalytic fragment of RelSeq, the RelA/SpoT homolog from Streptococcus equisimilis.

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)	Bifunctional RELA/SPOT	polymer	393	45606.4	2	UniProt (Q54089) Pfam (PF01966) Pfam (PF04607)	Streptococcus dysgalactiae subsp. equisimilis	ATP:GTP 3'- pyrophosphotransferase, ppGpp synthetase I, P, ppGpp synthetase, Stringent response-like protein
2	C, E (A, B)	MANGANESE (II) ION	non-polymer		54.9	2	Chemie (MN)
3	D, F (A, B)	GUANOSINE-5'-DIPHOSPHATE	non-polymer		443.2	2	Chemie (GDP)
4	G (B)	GUANOSINE 5'-DIPHOSPHATE 2':3'-CYCLIC MONOPHOSPHATE	non-polymer		505.2	1	Chemie (GPX)
5	H, I (A, B)	water	water		18.0	196	Chemie (HOH)

Sequence modifications

A, B: 1 - 385 (UniProt: Q54089)

PDB	External Database	Details
Leu 386	-	expression tag
Glu 387	-	expression tag
His 388	-	expression tag
His 389	-	expression tag
His 390	-	expression tag
His 391	-	expression tag
His 392	-	expression tag
His 393	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	91212.7
Non-Polymers*	Number of molecules	5
	Total formula weight	1501.4
All*	Total formula weight	92714.1

*Water molecules are not included.