1SJH
HLA-DR1 complexed with a 13 residue HIV capsid peptide
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords | 
| 1 | A (A)  | HLA class II histocompatibility antigen, DR alpha chain | polymer | 180 | 20913.6 | 1 | UniProt (P01903) Pfam (PF00993) Pfam (PF07654)  | Homo sapiens (human) | MHC class II antigen DRA | 
| 2 | B (B)  | HLA class II histocompatibility antigen, DRB1-1 beta chain | polymer | 190 | 22080.7 | 1 | UniProt (P04229) Pfam (PF00969) Pfam (PF07654) UniProt (by SIFTS) (P01911)  | Homo sapiens (human) | MHC class I antigen DRB1*1, DR-1, DR1 | 
| 3 | C (C)  | GAG polyprotein | polymer | 13 | 1376.6 | 1 | UniProt (P12495) | synthetic construct | |
| 4 | D (D)  | Enterotoxin type C-3 | polymer | 239 | 27721.1 | 1 | UniProt (P0A0L5) Pfam (PF01123) Pfam (PF02876)  | Staphylococcus aureus | SEC3 | 
| 5 | E, F, G, H (A, B, C, D)  | water | water | 18.0 | 252 | Chemie (HOH) | 
Sequence modifications
D: 1 - 239 (UniProt: P0A0L5)
| PDB | External Database | Details | 
|---|---|---|
| Ser 43 | Lys 70 | engineered mutation | 
| Phe 45 | Leu 72 | engineered mutation | 
| Lys 46 | Ala 73 | engineered mutation | 
| Trp 47 | His 74 | engineered mutation | 
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 | 
| Total formula weight | 72091.9 | |
| All* | Total formula weight | 72091.9 | 






