Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE CL H 225 |
| Chain | Residue |
| H | ASN35 |
| H | ARG50 |
| H | ASN99 |
| L | TYR101 |
Functional Information from PROSITE/UniProt
| site_id | PS00290 |
| Number of Residues | 7 |
| Details | IG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YICNVNH |
| Chain | Residue | Details |
| H | TYR200-HIS206 | |
| L | TYR197-HIS203 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 7 |
| Details | Region: {"description":"Epitope 3 (recognized by antibodies, including Rituximab)"} |