| Chain | GOid | namespace | contents | 
| A | 0000166 | molecular_function | nucleotide binding | 
| A | 0004812 | molecular_function | aminoacyl-tRNA ligase activity | 
| A | 0004830 | molecular_function | tryptophan-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 | 0006436 | biological_process | tryptophanyl-tRNA aminoacylation | 
| A | 0016874 | molecular_function | ligase activity | 
| B | 0000166 | molecular_function | nucleotide binding | 
| B | 0004812 | molecular_function | aminoacyl-tRNA ligase activity | 
| B | 0004830 | molecular_function | tryptophan-tRNA ligase activity | 
| B | 0005524 | molecular_function | ATP binding | 
| B | 0005737 | cellular_component | cytoplasm | 
| B | 0005829 | cellular_component | cytosol | 
| B | 0006412 | biological_process | translation | 
| B | 0006418 | biological_process | tRNA aminoacylation for protein translation | 
| B | 0006436 | biological_process | tryptophanyl-tRNA aminoacylation | 
| B | 0016874 | molecular_function | ligase activity |