Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | binding site for residue 1PE H 301 |
| Chain | Residue |
| H | LYS19 |
| H | TYR82 |
| H | GLN84 |
| J | ASN86 |
| site_id | AC2 |
| Number of Residues | 5 |
| Details | binding site for residue TOE H 302 |
| Chain | Residue |
| H | ARG52 |
| H | TYR61 |
| L | TYR32 |
| L | TRP91 |
| L | TYR94 |
| site_id | AC3 |
| Number of Residues | 13 |
| Details | binding site for residue PE3 I 301 |
| Chain | Residue |
| H | ASP31 |
| H | TRP33 |
| H | THR101 |
| H | TYR103 |
| H | TYR104 |
| I | ASP31 |
| I | TRP33 |
| I | THR101 |
| I | LEU102 |
| I | TYR103 |
| I | TYR104 |
| I | HOH410 |
| I | HOH426 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | binding site for residue TOE I 302 |
| Chain | Residue |
| I | ARG52 |
| I | TYR61 |
| I | HOH436 |
| M | TYR32 |
| M | SER92 |
| M | TYR94 |
| site_id | AC5 |
| Number of Residues | 5 |
| Details | binding site for residue TOE J 301 |
| Chain | Residue |
| J | ARG52 |
| J | TYR61 |
| N | TYR32 |
| N | TRP91 |
| N | SER92 |
| site_id | AC6 |
| Number of Residues | 15 |
| Details | binding site for residue PE3 K 301 |
| Chain | Residue |
| J | ASP31 |
| J | TRP33 |
| J | THR101 |
| J | LEU102 |
| J | TYR103 |
| J | TYR104 |
| K | ASP31 |
| K | TRP33 |
| K | THR101 |
| K | LEU102 |
| K | TYR103 |
| K | TYR104 |
| K | HOH413 |
| K | HOH421 |
| K | HOH440 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | binding site for residue TOE K 302 |
| Chain | Residue |
| K | ARG52 |
| K | TYR61 |
| O | TYR32 |
| O | TRP91 |
| O | TYR94 |
| site_id | AC8 |
| Number of Residues | 3 |
| Details | binding site for residue PG4 K 303 |
| Chain | Residue |
| K | LYS19 |
| K | GLN84 |
| K | HOH446 |
| site_id | AC9 |
| Number of Residues | 5 |
| Details | binding site for Di-peptide PCA M 0 and ILE M 1 |
| Chain | Residue |
| M | VAL2 |
| M | ALA24 |
| M | SER25 |
| M | THR97 |
| M | HOH309 |
| site_id | AD1 |
| Number of Residues | 3 |
| Details | binding site for Di-peptide PCA N 0 and ILE N 1 |
| Chain | Residue |
| N | VAL2 |
| N | SER27 |
| N | THR97 |
| site_id | AD2 |
| Number of Residues | 6 |
| Details | binding site for Di-peptide PCA O 0 and ILE O 1 |
| Chain | Residue |
| O | VAL2 |
| O | SER25 |
| O | SER27 |
| O | GLN90 |
| O | SER93 |
| O | THR97 |
Functional Information from PROSITE/UniProt
| site_id | PS00290 |
| Number of Residues | 7 |
| Details | IG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YTCEATH |
| Chain | Residue | Details |
| L | TYR192-HIS198 | |
