2G36

Crystal structure of Tryptophanyl-tRNA synthetase (EC 6.1.1.2) (Tryptophan-tRNA ligase)(TrpRS) (tm0492) from THERMOTOGA MARITIMA at 2.50 A resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Tryptophanyl-tRNA synthetase	polymer	340	39284.2	1	UniProt (Q9WYW2) Pfam (PF00579)	Thermotoga maritima	Tryptophan-tRNA ligase, TrpRS
2	B (A)	IRON/SULFUR CLUSTER	non-polymer		351.6	1	Chemie (SF4)
3	C (A)	TRYPTOPHAN	non-polymer		204.2	1	Chemie (TRP)
4	D (A)	water	water		18.0	56	Chemie (HOH)

Sequence modifications

A: 1 - 328 (UniProt: Q9WYW2)

PDB	External Database	Details
Met -11	-	expression tag
Gly -10	-	expression tag
Ser -9	-	expression tag
Asp -8	-	expression tag
Lys -7	-	expression tag
Ile -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	39284.2
Non-Polymers*	Number of molecules	2
	Total formula weight	555.9
All*	Total formula weight	39840.0

*Water molecules are not included.