1EVK

CRYSTAL STRUCTURE OF A TRUNCATED FORM OF THREONYL-TRNA SYNTHETASE WITH THE LIGAND THREONINE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	THREONYL-TRNA SYNTHETASE	polymer	401	46725.2	2	UniProt (P0A8M3) Pfam (PF00587) Pfam (PF03129) In PDB	Escherichia coli
2	A, B	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	B	THREONINE	non-polymer		119.1	1	Chemie (THR)
4		water	water		18.0	478	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	93450.4
Non-Polymers*	Number of molecules	3
	Total formula weight	249.9
All*	Total formula weight	93700.3

*Water molecules are not included.