2PUG
CRYSTAL STRUCTURE OF THE LACI FAMILY MEMBER, PURR, BOUND TO DNA: MINOR GROOVE BINDING BY ALPHA HELICES
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (B) | DNA (5'-D(*TP*AP*CP*GP*CP*AP*AP*AP*CP*GP*TP*TP*TP*GP*CP*GP*T )-3') | polymer | 17 | 5202.4 | 1 | |||
| 2 | B (A) | PROTEIN (PURINE REPRESSOR) | polymer | 340 | 38062.5 | 1 | UniProt (P0ACP7) Pfam (PF00356) Pfam (PF13377) | Escherichia coli | |
| 3 | C (A) | HYPOXANTHINE | non-polymer | 136.1 | 1 | Chemie (HPA) | |||
| 4 | D, E (B, A) | water | water | 18.0 | 62 | Chemie (HOH) |
Sequence modifications
A: 2 - 341 (UniProt: P0ACP7)
| PDB | External Database | Details |
|---|---|---|
| Gln 190 | Arg 189 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 43264.9 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 136.1 | |
| All* | Total formula weight | 43401.0 |
