CATH Classification

Domain Context

CATH Clusters

Superfamily Glutamine synthetase/guanido kinase, catalytic domain
Functional Family Glutamine synthetase

Enzyme Information

6.3.1.2
Glutamine synthetase.
based on mapping to UniProt P38561
ATP + L-glutamate + NH(3) = ADP + phosphate + L-glutamine.
-!- Glutamine synthetase, which catalyzes the incorporation of ammonium into glutamate, is a key enzyme of nitrogen metabolism found in all domains of life. -!- Several types have been described, differing in their oligomeric structures and cofactor requirements.

UniProtKB Entries (1)

P38561
GLNA3_MAIZE
Zea mays
Glutamine synthetase root isozyme 3

PDB Structure

PDB 2D3C
External Links
Method X-RAY DIFFRACTION
Organism Escherichia
Primary Citation
Atomic Structure of Plant Glutamine Synthetase: A KEY ENZYME FOR PLANT PRODUCTIVITY
Unno, H., Uchida, T., Sugawara, H., Kurisu, G., Sugiyama, T., Yamaya, T., Sakakibara, H., Hase, T., Kusunoki, M.
J.Biol.Chem.