7R97
Crystal structure of postcleavge complex of Escherichia coli RNase III
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Ribonuclease 3 | polymer | 226 | 25412.9 | 2 | UniProt (P0A7Y0) Pfam (PF14622) Pfam (PF00035) In PDB | Escherichia coli (strain K12) | Ribonuclease III,RNase III |
| 2 | C, D | RNA (28-MER) | polymer | 28 | 8980.4 | 2 | Escherichia coli | ||
| 3 | A, D, B, C | MAGNESIUM ION | non-polymer | 24.3 | 6 | Chemie (MG) | |||
| 4 | A, B | CHLORIDE ION | non-polymer | 35.5 | 7 | Chemie (CL) | |||
| 5 | C, D, A, B | 1,2-ETHANEDIOL | non-polymer | 62.1 | 14 | Chemie (EDO) | |||
| 6 | D, C | POTASSIUM ION | non-polymer | 39.1 | 2 | Chemie (K) | |||
| 7 | C, D | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 2 | Chemie (TRS) | |||
| 8 | water | water | 18.0 | 418 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 226 (UniProt: P0A7Y0)
| PDB | External Database | Details |
|---|---|---|
| Ala 38 | Glu 38 | engineered mutation |
| Ala 65 | Glu 65 | engineered mutation |
| Ala 165 | Gln 165 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 68786.6 | |
| Non-Polymers* | Number of molecules | 31 |
| Total formula weight | 1585.4 | |
| All* | Total formula weight | 70372.0 |
