1ASY

CLASS II AMINOACYL TRANSFER RNA SYNTHETASES: CRYSTAL STRUCTURE OF YEAST ASPARTYL-TRNA SYNTHETASE COMPLEXED WITH TRNA ASP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (R, S)	T-RNA (75-MER)	polymer	75	24181.4	2
2	C, D (A, B)	ASPARTYL-tRNA SYNTHETASE	polymer	490	56026.8	2	UniProt (P04802) Pfam (PF01336) Pfam (PF00152)	Saccharomyces cerevisiae

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	160416.2
All*	Total formula weight	160416.2

*Water molecules are not included.