3JXE

Crystal structure of Pyrococcus horikoshii tryptophanyl-tRNA synthetase in complex with TrpAMP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Tryptophanyl-tRNA synthetase	polymer	392	46202.1	2	UniProt (O59584) Pfam (PF00579)	Pyrococcus horikoshii	Tryptophan-tRNA ligase, TrpRS
2	C, E (A, B)	TRYPTOPHANYL-5'AMP	non-polymer		533.4	2	Chemie (TYM)
3	D, F (A, B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4	G, H (A, B)	water	water		18.0	12	Chemie (HOH)

Sequence modifications

A, B: 1 - 386 (UniProt: O59584)

PDB	External Database	Details
His 387	-	expression tag
His 388	-	expression tag
His 389	-	expression tag
His 390	-	expression tag
His 391	-	expression tag
His 392	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	92404.3
Non-Polymers*	Number of molecules	4
	Total formula weight	1259.0
All*	Total formula weight	93663.3

*Water molecules are not included.