Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0003824 | molecular_function | catalytic activity |
| A | 0004356 | molecular_function | glutamine synthetase activity |
| A | 0006542 | biological_process | glutamine biosynthetic process |
| B | 0003824 | molecular_function | catalytic activity |
| B | 0004356 | molecular_function | glutamine synthetase activity |
| B | 0006542 | biological_process | glutamine biosynthetic process |
| C | 0003824 | molecular_function | catalytic activity |
| C | 0004356 | molecular_function | glutamine synthetase activity |
| C | 0006542 | biological_process | glutamine biosynthetic process |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 22 |
| Details | binding site for residue ADP A 500 |
| Chain | Residue |
| A | LYS118 |
| A | ARG312 |
| A | ARG317 |
| A | PRO319 |
| A | ARG323 |
| A | HOH601 |
| A | HOH604 |
| A | HOH634 |
| A | HOH643 |
| A | HOH644 |
| A | HOH683 |
| A | GLU122 |
| A | HOH720 |
| A | HOH747 |
| A | HOH800 |
| A | TYR174 |
| A | TRP189 |
| A | ASP190 |
| A | TYR191 |
| A | HIS237 |
| A | LEU238 |
| A | SER239 |
| site_id | AC2 |
| Number of Residues | 18 |
| Details | binding site for residue ADP B 500 |
| Chain | Residue |
| B | GLU122 |
| B | TYR174 |
| B | TRP189 |
| B | TYR191 |
| B | HIS237 |
| B | LEU238 |
| B | SER239 |
| B | ARG312 |
| B | ARG317 |
| B | PRO319 |
| B | ARG323 |
| B | HOH601 |
| B | HOH624 |
| B | HOH633 |
| B | HOH647 |
| B | HOH667 |
| B | HOH714 |
| B | HOH748 |
| site_id | AC3 |
| Number of Residues | 15 |
| Details | binding site for residue ADP C 500 |
| Chain | Residue |
| C | GLU122 |
| C | TYR174 |
| C | TRP189 |
| C | ASP190 |
| C | TYR191 |
| C | HIS237 |
| C | SER239 |
| C | ARG312 |
| C | ARG317 |
| C | ARG323 |
| C | HOH620 |
| C | HOH629 |
| C | HOH643 |
| C | HOH670 |
| C | HOH787 |
Functional Information from PROSITE/UniProt
| site_id | PS00181 |
| Number of Residues | 16 |
| Details | GLNA_ATP Glutamine synthetase putative ATP-binding region signature. KPFahl..TGNGcHthlS |
| Chain | Residue | Details |
| A | LYS224-SER239 | |
