1R5I
Crystal structure of the MAM-MHC complex
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, E (A, E) | HLA class II histocompatibility antigen, DR alpha chain | polymer | 181 | 21225.5 | 2 | UniProt (P01903) Pfam (PF00993) Pfam (PF07654) | Homo sapiens (human) | MHC class II antigen DRA |
| 2 | B, F (B, F) | HLA class II histocompatibility antigen, DRB1-1 beta chain | polymer | 190 | 22080.7 | 2 | UniProt (P04229) Pfam (PF00969) Pfam (PF07654) UniProt (by SIFTS) (P01911) | Homo sapiens (human) | MHC class I antigen DRB1*1, DR-1, DR1 |
| 3 | C, G (C, G) | Hemagglutinin peptide | polymer | 13 | 1506.8 | 2 | UniProt (P11133) | ||
| 4 | D, H (D, H) | superantigen | polymer | 216 | 25589.6 | 2 | UniProt (Q48898) Pfam (PF09245) | Mycoplasma arthritidis | Mycoplasma arthritidis-derived mitogen |
| 5 | I, J, K, L (C, D, E, H) | PHOSPHATE ION | non-polymer | 95.0 | 4 | Chemie (PO4) | |||
| 6 | M, N, O, P, Q... (A, B, D, E, F...) | water | water | 18.0 | 106 | Chemie (HOH) |
Sequence modifications
A, E: 1 - 181 (UniProt: P01903)
D, H: 1 - 213 (UniProt: Q48898)
| PDB | External Database | Details |
|---|---|---|
| Mse 23 | Met 48 | modified residue |
| Mse 36 | Met 61 | modified residue |
| Mse 73 | Met 98 | modified residue |
| PDB | External Database | Details |
|---|---|---|
| Leu -2 | - | cloning artifact |
| Gly -1 | - | cloning artifact |
| Ser 0 | - | cloning artifact |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 8 |
| Total formula weight | 140805.2 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 379.9 | |
| All* | Total formula weight | 141185.1 |
