Amino acid side chain
| Allowed Value | Details |
|---|---|
| Amino-acid backbone | Protein modification occurs on the amino acid backbone |
| Amino-acid side chain | Protein modification occurs on the amino acid side chain |
| Amino-acid side chain and backbone | Protein modification occurs on both the amino acid side chain and backbone |
| Allowed Value | Details |
|---|---|
| Amino-acid backbone | Protein modification occurs on the amino acid backbone |
| Amino-acid side chain | Protein modification occurs on the amino acid side chain |
| Amino-acid side chain and backbone | Protein modification occurs on both the amino acid side chain and backbone |