3FNR

CRYSTAL STRUCTURE OF PUTATIVE ARGINYL T-RNA SYNTHETASE FROM Campylobacter jejuni;

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Arginyl-tRNA synthetase	polymer	464	52874.9	1	UniProt (Q9PNC0) Pfam (PF00750) Pfam (PF05746) In PDB	Campylobacter jejuni	Arginine--tRNA ligase, ArgRS
2	A	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
3	A	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
4		water	water		18.0	152	Chemie (HOH)

Sequence modifications

A: 77 - 530 (UniProt: Q9PNC0)

PDB	External Database	Details
Met 75	-	expression tag
Ser 76	-	expression tag
Leu 77	Ile 77	engineered mutation
Glu 531	-	expression tag
Gly 532	-	expression tag
His 533	-	expression tag
His 534	-	expression tag
His 535	-	expression tag
His 536	-	expression tag
His 537	-	expression tag
His 538	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	52874.9
Non-Polymers*	Number of molecules	5
	Total formula weight	476.3
All*	Total formula weight	53351.2

*Water molecules are not included.