4FHX
Crystal structures of the Cid1 poly (U) polymerase reveal the mechanism for UTP selectivity - H336N mutant bound to MgATP
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Poly(A) RNA polymerase protein cid1 | polymer | 349 | 39932.7 | 1 | UniProt (O13833) Pfam (PF01909) Pfam (PF03828) In PDB | Schizosaccharomyces pombe (Fission yeast) | Caffeine-induced death protein 1 |
| 2 | A | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 1 | Chemie (ATP) | |||
| 3 | A | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 4 | water | water | 18.0 | 39 | Chemie (HOH) |
Sequence modifications
A: 33 - 377 (UniProt: O13833)
| PDB | External Database | Details |
|---|---|---|
| Gly 29 | - | expression tag |
| Ser 30 | - | expression tag |
| His 31 | - | expression tag |
| Met 32 | - | expression tag |
| Asn 336 | His 336 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 39932.7 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 531.5 | |
| All* | Total formula weight | 40464.2 |
