4IS4

The glutamine synthetase from the dicotyledonous plant M. truncatula is a decamer

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E...	Glutamine synthetase	polymer	378	41550.4	10	UniProt (O04998) Pfam (PF03951) Pfam (PF00120) In PDB	Medicago truncatula (Barrel medic)
2		water	water		18.0	969	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F, G, H, I, J: 1 - 356 (UniProt: O04998)

PDB	External Database	Details
Met -21	-	expression tag
Gly -20	-	expression tag
Ser -19	-	expression tag
Ser -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
Ser -11	-	expression tag
Ser -10	-	expression tag
Gly -9	-	expression tag
Leu -8	-	expression tag
Val -7	-	expression tag
Pro -6	-	expression tag
Arg -5	-	expression tag
Gly -4	-	expression tag
Ser -3	-	expression tag
His -2	-	expression tag
Ala -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	10
	Total formula weight	415504.4
All*	Total formula weight	415504.4

*Water molecules are not included.