5B63

Crystal structures of E.coli arginyl-tRNA synthetase (ArgRS) in complex with substrate tRNA(Arg)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, C)	Arginine--tRNA ligase	polymer	587	65933.1	2	UniProt (P11875) Pfam (PF03485) Pfam (PF00750) Pfam (PF05746)	Escherichia coli (strain K12)	Arginyl-tRNA synthetase,ArgRS
2	B, D (B, D)	tRNA-Arg	polymer	77	24823.8	2	GenBank (922672232)	Geobacillus stearothermophilus 10
3	E, F, G, H (A, B, C, D)	water	water		18.0	32	Chemie (HOH)

Sequence modifications

A, C: 1 - 577 (UniProt: P11875)

PDB	External Database	Details
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
Gly -2	-	expression tag
Gly -1	-	expression tag
Ala 0	-	expression tag
Arg 578	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	181513.6
All*	Total formula weight	181513.6

*Water molecules are not included.