9KW0

Crystal structure of S. aureus tryptophanyl-tRNA synthetase complexed with tryptophan

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 (A, B, C)	Tryptophan--tRNA ligase	polymer	335	37788.3	3	UniProt (W8U075) Pfam (PF00579) UniProt (by SIFTS) (Q2FZQ7)	Staphylococcus aureus	Tryptophanyl-tRNA synthetase,TrpRS
2	D, E, F (A, B, C)	TRYPTOPHAN	non-polymer		204.2	3	Chemie (TRP)
3	G, H, I (A, B, C)	water	water		18.0	226	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 329 (UniProt: W8U075)

PDB	External Database	Details
His 330	-	expression tag
His 331	-	expression tag
His 332	-	expression tag
His 333	-	expression tag
His 334	-	expression tag
His 335	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	113364.9
Non-Polymers*	Number of molecules	3
	Total formula weight	612.7
All*	Total formula weight	113977.6

*Water molecules are not included.