9OTN

Human glutamine synthetase filament bound to ATP

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, E...)	Glutamine synthetase	polymer	373	42118.4	20	UniProt (P15104)	Homo sapiens (human)	GS,Glutamate--ammonia ligase,Palmitoyltransferase GLUL
2	AA, BB, BC, DA, GA... (C, L, T, D, E...)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	20	Chemie (ATP)
3	AB, AC, BA, CA, CB... (K, T, C, L, D...)	MAGNESIUM ION	non-polymer		24.3	40	Chemie (MG)

Contents of the asymmetric unit

Polymers	Number of chains	20
	Total formula weight	842368.0
Non-Polymers*	Number of molecules	60
	Total formula weight	11115.8
All*	Total formula weight	853483.9

*Water molecules are not included.