| Chain | GOid | namespace | contents |
| A | 0004596 | molecular_function | protein-N-terminal amino-acid acetyltransferase activity |
| A | 0005515 | molecular_function | protein binding |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0005739 | cellular_component | mitochondrion |
| A | 0006474 | biological_process | N-terminal protein amino acid acetylation |
| A | 0010698 | molecular_function | acetyltransferase activator activity |
| A | 0031415 | cellular_component | NatA complex |
| A | 0043022 | molecular_function | ribosome binding |
| B | 0004596 | molecular_function | protein-N-terminal amino-acid acetyltransferase activity |
| B | 0005515 | molecular_function | protein binding |
| B | 0005737 | cellular_component | cytoplasm |
| B | 0006474 | biological_process | N-terminal protein amino acid acetylation |
| B | 0008999 | molecular_function | protein-N-terminal-alanine acetyltransferase activity |
| B | 0016740 | molecular_function | transferase activity |
| B | 0016746 | molecular_function | acyltransferase activity |
| B | 0016747 | molecular_function | acyltransferase activity, transferring groups other than amino-acyl groups |
| B | 0031415 | cellular_component | NatA complex |
| B | 0042802 | molecular_function | identical protein binding |
| B | 0061606 | biological_process | N-terminal protein amino acid propionylation |
| B | 1990189 | molecular_function | protein N-terminal-serine acetyltransferase activity |
| B | 1990190 | molecular_function | protein-N-terminal-glutamate acetyltransferase activity |
