4ZDI

Crystal structure of the M. tuberculosis CTP synthase PyrG (apo form)

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...	CTP synthase	polymer	587	63771.0	8	UniProt (P9WHK7) Pfam (PF06418) Pfam (PF00117) Pfam (PF07722) In PDB	Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)	CTP synthetase,UTP--ammonia ligase
2	A, B, C, D, E...	CALCIUM ION	non-polymer		40.1	8	Chemie (CA)

Sequence modifications

A, B, C, D, E, F, G, H: 1 - 586 (UniProt: P9WHK7)

PDB	External Database	Details
Gly 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	510167.6
Non-Polymers*	Number of molecules	8
	Total formula weight	320.6
All*	Total formula weight	510488.2

*Water molecules are not included.