Functional Information from GO Data
| Chain | GOid | namespace | contents | 
| A | 0000049 | molecular_function | tRNA binding | 
| A | 0000166 | molecular_function | nucleotide binding | 
| A | 0004812 | molecular_function | aminoacyl-tRNA ligase activity | 
| A | 0004818 | molecular_function | glutamate-tRNA ligase activity | 
| A | 0005524 | molecular_function | ATP binding | 
| A | 0005737 | cellular_component | cytoplasm | 
| A | 0005829 | cellular_component | cytosol | 
| A | 0006412 | biological_process | translation | 
| A | 0006418 | biological_process | tRNA aminoacylation for protein translation | 
| A | 0006424 | biological_process | glutamyl-tRNA aminoacylation | 
| A | 0008270 | molecular_function | zinc ion binding | 
| A | 0016874 | molecular_function | ligase activity | 
| A | 0043039 | biological_process | tRNA aminoacylation | 
Functional Information from PDB Data
| site_id | AC1 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE MG A 502 | 
| Chain | Residue | 
| A | ATP501 | 
| A | HOH1395 | 
| A | HOH1396 | 
| A | HOH1397 | 
| site_id | AC2 | 
| Number of Residues | 12 | 
| Details | BINDING SITE FOR RESIDUE GLU A 500 | 
| Chain | Residue | 
| A | ASN191 | 
| A | ARG205 | 
| A | TRP209 | 
| A | ATP501 | 
| A | HOH1021 | 
| A | HOH1028 | 
| A | HOH1138 | 
| A | ARG5 | 
| A | ALA7 | 
| A | SER9 | 
| A | GLU41 | 
| A | TYR187 | 
| site_id | AC3 | 
| Number of Residues | 22 | 
| Details | BINDING SITE FOR RESIDUE ATP A 501 | 
| Chain | Residue | 
| A | HIS15 | 
| A | GLU208 | 
| A | TRP209 | 
| A | LEU235 | 
| A | LEU236 | 
| A | LYS243 | 
| A | ILE244 | 
| A | SER245 | 
| A | LYS246 | 
| A | ARG247 | 
| A | GLU500 | 
| A | MG502 | 
| A | HOH1037 | 
| A | HOH1072 | 
| A | HOH1085 | 
| A | HOH1147 | 
| A | HOH1185 | 
| A | HOH1270 | 
| A | HOH1359 | 
| A | HOH1395 | 
| A | HOH1396 | 
| A | HOH1397 | 
Functional Information from PROSITE/UniProt
| site_id | PS00178 | 
| Number of Residues | 12 | 
| Details | AA_TRNA_LIGASE_I Aminoacyl-transfer RNA synthetases class-I signature. PspTGdPHVGTA | 
| Chain | Residue | Details | 
| A | PRO8-ALA19 |  | 
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 | 
| Number of Residues | 15 | 
| Details | Region: {"description":"Interaction with tRNA"} | 
| site_id | SWS_FT_FI2 | 
| Number of Residues | 10 | 
| Details | Motif: {"description":"'HIGH' region","evidences":[{"source":"HAMAP-Rule","id":"MF_00022","evidenceCode":"ECO:0000255"}]} | 
| site_id | SWS_FT_FI3 | 
| Number of Residues | 4 | 
| Details | Motif: {"description":"'KMSKS' region","evidences":[{"source":"HAMAP-Rule","id":"MF_00022","evidenceCode":"ECO:0000255"}]} | 
| site_id | SWS_FT_FI4 | 
| Number of Residues | 15 | 
| Details | Binding site: {} | 
| site_id | SWS_FT_FI5 | 
| Number of Residues | 1 | 
| Details | Binding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00022","evidenceCode":"ECO:0000255"}]} | 
| site_id | SWS_FT_FI6 | 
| Number of Residues | 1 | 
| Details | Site: {"description":"Interaction with tRNA; via carbonyl oxygen"} | 
| site_id | SWS_FT_FI7 | 
| Number of Residues | 1 | 
| Details | Site: {"description":"Essential for discrimination between tRNA(Glu) and tRNA(Gln)"} | 
Catalytic Information from CSA
| site_id | CSA1 | 
| Number of Residues | 1 | 
| Details | a catalytic site defined by CSA, PubMed 12554668 | 
| Chain | Residue | Details | 
| A | LYS246 |  | 
| site_id | MCSA1 | 
| Number of Residues | 1 | 
| Details | M-CSA 318 | 
| Chain | Residue | Details | 
| A | LYS246 | attractive charge-charge interaction, electrostatic stabiliser, hydrogen bond donor, increase nucleophilicity |