1PYW
Human class II MHC protein HLA-DR1 bound to a designed peptide related to influenza virus hemagglutinin, FVKQNA(MAA)AL, in complex with staphylococcal enterotoxin C3 variant 3B2 (SEC3-3B2)
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0006955 | biological_process | immune response |
| A | 0016020 | cellular_component | membrane |
| A | 0019882 | biological_process | antigen processing and presentation |
| A | 0042613 | cellular_component | MHC class II protein complex |
| B | 0006955 | biological_process | immune response |
| B | 0016020 | cellular_component | membrane |
| B | 0019882 | biological_process | antigen processing and presentation |
| B | 0042613 | cellular_component | MHC class II protein complex |
| D | 0005576 | cellular_component | extracellular region |
| D | 0035821 | biological_process | modulation of process of another organism |
| D | 0046872 | molecular_function | metal ion binding |
| D | 0090729 | molecular_function | toxin activity |
Functional Information from PROSITE/UniProt
| site_id | PS00277 |
| Number of Residues | 10 |
| Details | STAPH_STREP_TOXIN_1 Staphylococcal enterotoxin/Streptococcal pyrogenic exotoxin signature 1. YGGITKHegN |
| Chain | Residue | Details |
| D | TYR112-ASN121 |
| site_id | PS00278 |
| Number of Residues | 24 |
| Details | STAPH_STREP_TOXIN_2 Staphyloccocal enterotoxin/Streptococcal pyrogenic exotoxin signature 2. KksVtaqeLDikaRnfLinkknLY |
| Chain | Residue | Details |
| D | LYS151-TYR174 |
| site_id | PS00290 |
| Number of Residues | 7 |
| Details | IG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YTCQVEH |
| Chain | Residue | Details |
| B | TYR171-HIS177 | |
| A | TYR161-HIS167 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 4 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:20836565, ECO:0000269|Ref.6, ECO:0007744|PDB:3BVG, ECO:0007744|PDB:3BVM, ECO:0007744|PDB:3BVZ |
| Chain | Residue | Details |
| D | ASP9 | |
| D | ASP83 | |
| D | HIS118 | |
| D | HIS122 |
| site_id | SWS_FT_FI2 |
| Number of Residues | 1 |
| Details | BINDING: BINDING => ECO:0000269|PubMed:8145819 |
| Chain | Residue | Details |
| B | ARG93 | |
| A | ALA52 |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | CARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000269|PubMed:19303388, ECO:0000269|PubMed:24190431 |
| Chain | Residue | Details |
| B | ASN19 |
| site_id | SWS_FT_FI4 |
| Number of Residues | 1 |
| Details | SITE: Self- and pathogen-derived peptide antigen => ECO:0000269|PubMed:17583734, ECO:0000269|PubMed:21115828, ECO:0000269|PubMed:31619516, ECO:0000269|PubMed:8145819 |
| Chain | Residue | Details |
| A | SER53 |
| site_id | SWS_FT_FI5 |
| Number of Residues | 1 |
| Details | SITE: Pathogen-derived peptide antigen => ECO:0000269|PubMed:23260142, ECO:0007744|PDB:4GBX |
| Chain | Residue | Details |
| A | GLU55 |
| site_id | SWS_FT_FI6 |
| Number of Residues | 1 |
| Details | SITE: Self- and pathogen-derived peptide antigen => ECO:0000269|PubMed:17583734, ECO:0000269|PubMed:21115828, ECO:0000269|PubMed:23260142, ECO:0000269|PubMed:31619516, ECO:0000269|PubMed:8145819, ECO:0007744|PDB:4GBX |
| Chain | Residue | Details |
| A | ASN62 |
| site_id | SWS_FT_FI7 |
| Number of Residues | 1 |
| Details | SITE: Pathogen-derived peptide antigen => ECO:0000269|PubMed:17583734, ECO:0000269|PubMed:21115828, ECO:0000269|PubMed:23260142, ECO:0000269|PubMed:8145819, ECO:0007744|PDB:4FQX, ECO:0007744|PDB:4GBX |
| Chain | Residue | Details |
| A | ASN69 |
| site_id | SWS_FT_FI8 |
| Number of Residues | 1 |
| Details | SITE: Self- and pathogen-derived peptide antigen => ECO:0000269|PubMed:17583734, ECO:0000269|PubMed:23260142, ECO:0000269|PubMed:31619516, ECO:0000269|PubMed:8145819, ECO:0007744|PDB:4FQX, ECO:0007744|PDB:4GBX |
| Chain | Residue | Details |
| A | ARG76 |
| site_id | SWS_FT_FI9 |
| Number of Residues | 2 |
| Details | CARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000269|PubMed:19159218, ECO:0000269|PubMed:7477400 |
| Chain | Residue | Details |
| A | ASN78 | |
| A | ASN118 |
