5XNX

Crystallographic structure of the enzymatically active N-terminal domain of the Rel protein from Mycobacterium tuberculosis

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	Bifunctional (p)ppGpp synthase/hydrolase RelA	polymer	394	44651.2	4	UniProt (P9WHG9) Pfam (PF13328) Pfam (PF04607) In PDB	Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
2	A, C, D	MAGNESIUM ION	non-polymer		24.3	3	Chemie (MG)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	178604.8
Non-Polymers*	Number of molecules	3
	Total formula weight	72.9
All*	Total formula weight	178677.7

*Water molecules are not included.