4TS1

CRYSTAL STRUCTURE OF A DELETION MUTANT OF A TYROSYL-T/RNA SYNTHETASE COMPLEXED WITH TYROSINE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	TYROSYL-tRNA SYNTHETASE	polymer	319	36357.2	2	UniProt (P00952) Pfam (PF00579) In PDB	Geobacillus stearothermophilus
2	A, B	TYROSINE	non-polymer		181.2	2	Chemie (TYR)
3		water	water		18.0	144	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	72714.4
Non-Polymers*	Number of molecules	2
	Total formula weight	362.4
All*	Total formula weight	73076.8

*Water molecules are not included.