2G9H
Crystal Structure of Staphylococcal Enterotoxin I (SEI) in Complex with a Human MHC class II Molecule
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 PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE ZN D 501 |
| Chain | Residue |
| B | HIS81 |
| D | HIS169 |
| D | HIS207 |
| D | ASP209 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 D 801 |
| Chain | Residue |
| D | LYS174 |
| D | SER175 |
| D | HOH873 |
| D | HOH912 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A 802 |
| Chain | Residue |
| A | TRP168 |
| A | HOH805 |
| A | ASN118 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 803 |
| Chain | Residue |
| A | ARG123 |
| A | ASN124 |
| A | LYS126 |
| A | HOH952 |
| site_id | AC5 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 C 804 |
| Chain | Residue |
| A | SER53 |
| C | PRO306 |
| C | LYS307 |
| C | HOH330 |
| site_id | AC6 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE EPE A 601 |
| Chain | Residue |
| A | PRO96 |
| A | VAL97 |
| A | GLU98 |
| A | HOH810 |
| A | HOH944 |
| B | TYR102 |
| B | HOH279 |
| D | ASN28 |
| D | LEU29 |
| D | TRP51 |
| site_id | AC7 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE DIO A 701 |
| Chain | Residue |
| A | ASN84 |
| A | TRP168 |
| A | ASP171 |
| A | HOH826 |
| B | THR3 |
| B | ARG4 |
| B | ARG6 |
| site_id | AC8 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE DIO A 702 |
| Chain | Residue |
| A | LYS111 |
| A | ARG140 |
| A | HOH920 |
| A | HOH942 |
Functional Information from PROSITE/UniProt
| site_id | PS00278 |
| Number of Residues | 24 |
| Details | STAPH_STREP_TOXIN_2 Staphyloccocal enterotoxin/Streptococcal pyrogenic exotoxin signature 2. KklVtaqeIDvklRryLqeeynIY |
| Chain | Residue | Details |
| D | LYS117-TYR140 |
| site_id | PS00290 |
| Number of Residues | 7 |
| Details | IG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YDCRVEH |
| Chain | Residue | Details |
| A | TYR161-HIS167 | |
| B | TYR171-HIS177 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 180 |
| Details | Domain: {"description":"Ig-like C1-type"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 93 |
| Details | Region: {"description":"Alpha-2"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | Site: {"description":"Self- and pathogen-derived peptide antigen","evidences":[{"source":"PubMed","id":"17583734","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21115828","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23260142","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4GBX","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 2 |
| Details | Site: {"description":"Self-peptide antigen","evidences":[{"source":"PubMed","id":"31619516","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 1 |
| Details | Site: {"description":"Self- and pathogen-derived peptide antigen","evidences":[{"source":"PubMed","id":"21115828","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI6 |
| Number of Residues | 1 |
| Details | Site: {"description":"Self- and pathogen-derived peptide antigen","evidences":[{"source":"PubMed","id":"17583734","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21115828","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"31619516","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI7 |
| Number of Residues | 1 |
| Details | Site: {"description":"Pathogen-derived peptide antigen","evidences":[{"source":"PubMed","id":"23260142","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4GBX","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI8 |
| Number of Residues | 1 |
| Details | Site: {"description":"Self- and pathogen-derived peptide antigen","evidences":[{"source":"PubMed","id":"17583734","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21115828","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23260142","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"31619516","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4GBX","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI9 |
| Number of Residues | 1 |
| Details | Site: {"description":"Pathogen-derived peptide antigen","evidences":[{"source":"PubMed","id":"17583734","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21115828","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23260142","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4FQX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4GBX","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI10 |
| Number of Residues | 1 |
| Details | Site: {"description":"Self- and pathogen-derived peptide antigen","evidences":[{"source":"PubMed","id":"17583734","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23260142","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"31619516","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4FQX","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4GBX","evidenceCode":"ECO:0007744"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI11 |
| Number of Residues | 2 |
| Details | Glycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"19159218","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7477400","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI12 |
| Number of Residues | 94 |
| Details | Region: {"description":"Beta-1"} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI13 |
| Number of Residues | 4 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"31619516","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI14 |
| Number of Residues | 1 |
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"8145819","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI15 |
| Number of Residues | 1 |
| Details | Glycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"19303388","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"24190431","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
