5TEW

Crystal structure of a tryptophanyl-tRNA synthetase from Neisseria gonorrhoeae bound to tryptophan

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Tryptophan--tRNA ligase	polymer	344	38655.9	1	UniProt (Q5F7X0) Pfam (PF00579) In PDB	Neisseria gonorrhoeae (strain ATCC 700825 / FA 1090)	Tryptophanyl-tRNA synthetase
2	A	TRYPTOPHAN	non-polymer		204.2	1	Chemie (TRP)
3	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4		water	water		18.0	43	Chemie (HOH)

Sequence modifications

A: 1 - 336 (UniProt: Q5F7X0)

PDB	External Database	Details
Met -7	-	initiating methionine
Ala -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	38655.9
Non-Polymers*	Number of molecules	2
	Total formula weight	300.3
All*	Total formula weight	38956.2

*Water molecules are not included.