3KT8

Crystal structure of S. cerevisiae tryptophanyl-tRNA synthetase in complex with L-tryptophanamide

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	Tryptophanyl-tRNA synthetase, cytoplasmic	polymer	438	50248.1	4	UniProt (Q12109) Pfam (PF00579) In PDB	Saccharomyces cerevisiae (Baker's yeast)	Tryptophan--tRNA ligase, TrpRS
2	A, B, C, D	L-TRYPTOPHANAMIDE	non-polymer		203.2	4	Chemie (LTN)
3	A, B, C, D	SULFATE ION	non-polymer		96.1	10	Chemie (SO4)
4		water	water		18.0	21	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 432 (UniProt: Q12109)

PDB	External Database	Details
His 433	-	expression tag
His 434	-	expression tag
His 435	-	expression tag
His 436	-	expression tag
His 437	-	expression tag
His 438	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	200992.4
Non-Polymers*	Number of molecules	14
	Total formula weight	1773.6
All*	Total formula weight	202766.0

*Water molecules are not included.