1WU7

Crystal structure of histidyl-tRNA synthetase from Thermoplasma acidophilum

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)	Histidyl-tRNA synthetase	polymer	434	50014.3	2	UniProt (Q9HLX5) Pfam (PF13393) Pfam (PF03129)	Thermoplasma acidophilum	Histidine--tRNA ligase, HisRS
2	C, D (A, B)	water	water		18.0	244	Chemie (HOH)

Sequence modifications

A, B: 1 - 426 (UniProt: Q9HLX5)

PDB	External Database	Details
Mse 1	Met 1	modified residue
Mse 20	Met 20	modified residue
Mse 89	Met 89	modified residue
Mse 168	Met 168	modified residue
Mse 175	Met 175	modified residue
Mse 214	Met 214	modified residue
Mse 228	Met 228	modified residue
Mse 242	Met 242	modified residue
Mse 300	Met 300	modified residue
Mse 312	Met 312	modified residue
Mse 348	Met 348	modified residue
Mse 360	Met 360	modified residue
Mse 367	Met 367	modified residue
Mse 404	Met 404	modified residue
Leu 427	-	expression tag
Glu 428	-	expression tag
His 429	-	expression tag
His 430	-	expression tag
His 431	-	expression tag
His 432	-	expression tag
His 433	-	expression tag
His 434	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	100028.7
All*	Total formula weight	100028.7

*Water molecules are not included.