1Q9E
RNase T1 variant with adenine specificity
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 (A, B, C) | Guanyl-specific ribonuclease T1 precursor | polymer | 104 | 11129.7 | 3 | UniProt (P00651) Pfam (PF00545) | Aspergillus oryzae | RNase T1 |
| 2 | D, E (A, C) | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL | non-polymer | 122.1 | 2 | Chemie (TRS) | |||
| 3 | F, G, H (A, B, C) | water | water | 18.0 | 274 | Chemie (HOH) |
Sequence modifications
A, B, C: 1 - 104 (UniProt: P00651)
| PDB | External Database | Details |
|---|---|---|
| Glu 41 | Lys 41 | engineered mutation |
| Phe 42 | Tyr 42 | engineered mutation |
| Arg 43 | Asn 43 | engineered mutation |
| Trp 45 | Tyr 45 | engineered mutation |
| Asn 46 | Glu 46 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 33389.2 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 244.3 | |
| All* | Total formula weight | 33633.5 |
