7EIV

heterotetrameric glycyl-tRNA synthetase from Escherichia coli

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Glycine--tRNA ligase alpha subunit	polymer	303	35181.4	2	UniProt (P00960) Pfam (PF02091) In PDB	Escherichia coli K-12	Glycyl-tRNA synthetase alpha subunit,GlyRS
2	C, D	Glycine--tRNA ligase beta subunit	polymer	583	65540.5	2	UniProt (P00961) Pfam (PF02092) In PDB	Escherichia coli K-12	Glycyl-tRNA synthetase beta subunit,GlyRS
3	A, B	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
4	A, B	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER	non-polymer		506.2	2	Chemie (ANP)
5	A, B	GLYCINE	non-polymer		75.1	2	Chemie (GLY)
6		water	water		18.0	56	Chemie (HOH)

Sequence modifications

C, D: 1 - 575 (UniProt: P00961)

PDB	External Database	Details
Leu 576	-	expression tag
Glu 577	-	expression tag
His 578	-	expression tag
His 579	-	expression tag
His 580	-	expression tag
His 581	-	expression tag
His 582	-	expression tag
His 583	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	201443.9
Non-Polymers*	Number of molecules	8
	Total formula weight	1259.7
All*	Total formula weight	202703.6

*Water molecules are not included.