ACE
PCM
| Residue type | PCM type | Category | Position | UniProt PTM accession | Entries in PDB |
| ALA | None | Terminal acetylation | Amino-acid backbone (N-terminal) | PTM-0199 | 317 |
| VAL | None | Terminal acetylation | Amino-acid backbone (N-terminal) | PTM-0210 | 116 |
| ILE | None | Terminal acetylation | Amino-acid backbone (N-terminal) | PTM-0204 | 90 |
| MET | None | Terminal acetylation | Amino-acid backbone (N-terminal) | PTM-0205 | 375 |
| TYR | None | Terminal acetylation | Amino-acid backbone (N-terminal) | PTM-0209 | 85 |
| SER | None | Terminal acetylation | Amino-acid backbone (N-terminal) | PTM-0207 | 629 |
| THR | None | Terminal acetylation | Amino-acid backbone (N-terminal) | PTM-0208 | 102 |
| ARG | None | Terminal acetylation | Amino-acid backbone (N-terminal) | PTM-0180 | 232 |
| ASP | None | Terminal acetylation | Amino-acid backbone (N-terminal) | PTM-0200 | 234 |
| GLU | None | Terminal acetylation | Amino-acid backbone (N-terminal) | PTM-0202 | 188 |
| CYS | None | Terminal acetylation | Amino-acid backbone (N-terminal) | PTM-0201 | 127 |
| GLY | None | Terminal acetylation | Amino-acid backbone (N-terminal) | PTM-0203 | 627 |
| PRO | None | Terminal acetylation | Amino-acid backbone (N-terminal) | PTM-0206 | 135 |
| LEU | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 196 | |
| PHE | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 66 | |
| TRP | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 364 | |
| ASN | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 104 | |
| GLN | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 86 | |
| HIS | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 19 | |
| LYS | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 312 | |
| DPR | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 6 | |
| DAL | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 0 | |
| DCY | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 2 | |
| DTY | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 30 | |
| DVA | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 2 | |
| DAS | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 0 | |
| DPN | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 6 | |
| DTR | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 7 | |
| DAR | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 0 | |
| DTH | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 0 | |
| DLE | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 1 | |
| DHI | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 2 | |
| DSN | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 0 | |
| DGL | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 1 | |
| DLY | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 10 | |
| MED | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 0 | |
| DSG | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 0 | |
| DIL | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 0 | |
| DGN | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 0 | |
| PYL | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 0 | |
| SEC | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 0 | |
| AIB | None | Terminal acetylation | Amino-acid backbone (N-terminal) | 74 |
