4S0R

Structure of GS-TnrA complex

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	447	50620.4	14	UniProt (P12425) Pfam (PF03951) Pfam (PF00120) In PDB	Bacillus subtilis	Glutamate-ammonia ligase
2	O, P, Q, R, S...	TnrA peptide	polymer	15	1897.2	14	UniProt (by SIFTS) (Q45666) In PDB
3	L, A, E, F, M...	GLUTAMINE	non-polymer		146.1	14	Chemie (GLN)
4	D, L, A, E, M...	MAGNESIUM ION	non-polymer		24.3	47	Chemie (MG)

Sequence modifications

A, B, C, D, E, F, G, H, I, J, K, L, M, N: 1 - 444 (UniProt: P12425)

PDB	External Database	Details
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	28
	Total formula weight	735245.9
Non-Polymers*	Number of molecules	61
	Total formula weight	3188.4
All*	Total formula weight	738434.3

*Water molecules are not included.