1QQA
PURINE REPRESSOR MUTANT-HYPOXANTHINE-PALINDROMIC OPERATOR COMPLEX
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (M) | DNA (5'-D(*TP*AP*CP*GP*CP*AP*AP*GP*CP*GP*CP*TP*TP*GP*CP*GP*T)-3') | polymer | 17 | 5203.4 | 1 | |||
| 2 | B (A) | PROTEIN (PURINE NUCLEOTIDE SYNTHESIS REPRESSOR) | polymer | 340 | 38033.5 | 1 | UniProt (P0ACP7) Pfam (PF00356) Pfam (PF13377) | Escherichia coli | PURA |
| 3 | C (A) | HYPOXANTHINE | non-polymer | 136.1 | 1 | Chemie (HPA) | |||
| 4 | D, E (M, A) | water | water | 18.0 | 3 | Chemie (HOH) |
Sequence modifications
A: 2 - 341 (UniProt: P0ACP7)
| PDB | External Database | Details |
|---|---|---|
| Ala 55 | Lys 54 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 43236.9 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 136.1 | |
| All* | Total formula weight | 43373.0 |
