8TFB

Cryo-EM structure of the Methanosarcina mazei apo glutamin synthetase structure: dodecameric form

This is a non-PDB format compatible entry.

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... (A, B, C, D, L...)	Glutamine synthetase	polymer	467	52827.9	12	UniProt (Q8PY99)	Methanosarcina mazei	GS,Glutamate--ammonia ligase
2	M, N, O, P, Q... (A, B, C, D, L...)	MAGNESIUM ION	non-polymer		24.3	12	Chemie (MG)

Sequence modifications

A, B, C, D, L, M, O, P, Q, V, X, Y: 1 - 447 (UniProt: Q8PY99)

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

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	633935.1
Non-Polymers*	Number of molecules	12
	Total formula weight	291.7
All*	Total formula weight	634226.8

*Water molecules are not included.