1FFI
STRUCTURAL IMPLICATIONS OF DRUG RESISTANT MUTANTS OF HIV-1 PROTEASE: HIGH RESOLUTION CRYSTAL STRUCTURES OF THE MUTANT PROTEASE/SUBSTRATE ANALOG COMPLEXES
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (C, D) | PROTEASE RETROPEPSIN | polymer | 99 | 10739.7 | 2 | UniProt (P04587) Pfam (PF00077) | Human immunodeficiency virus 1 | |
| 2 | C (D) | N-{(2S)-2-[(N-acetyl-L-threonyl-L-isoleucyl)amino]hexyl}-L-norleucyl-L-glutaminyl-N~5~-[amino(iminio)methyl]-L-ornithinamide | non-polymer | 771.0 | 1 | BIRD (PRD_000398) Chemie (2NC) | |||
| 3 | D, E (C, D) | water | water | 18.0 | 117 | Chemie (HOH) |
Sequence modifications
C, D: 1 - 99 (UniProt: P04587)
| PDB | External Database | Details |
|---|---|---|
| Lys 7 | Gln 75 | engineered mutation |
| Asn 30 | Asp 98 | engineered mutation |
| Ile 33 | Leu 101 | engineered mutation |
| Ile 63 | Leu 131 | engineered mutation |
| Ala 67 | Cys 135 | engineered mutation |
| Ala 95 | Cys 163 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 21479.4 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 771.0 | |
| All* | Total formula weight | 22250.4 |
