3RTX
Crystal structure of mammalian capping enzyme (Mce1) and Pol II CTD complex
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | mRNA-capping enzyme | polymer | 343 | 39432.6 | 2 | UniProt (O55236) Pfam (PF01331) Pfam (PF03919) In PDB | Mus musculus (mouse) | HCE, MCE1, Polynucleotide 5'-triphosphatase, TPase, mRNA 5'-triphosphatase, mRNA guanylyltransferase, GTP--RNA guanylyltransferase, GTase |
| 2 | C | RNA Polymerase II C-terminal domain | polymer | 18 | 2229.8 | 1 | |||
| 3 | A, B | GUANINE | non-polymer | 151.1 | 2 | Chemie (GUN) | |||
| 4 | water | water | 18.0 | 122 | Chemie (HOH) |
Sequence modifications
A, B: 226 - 567 (UniProt: O55236)
| PDB | External Database | Details |
|---|---|---|
| Ser 225 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 81094.9 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 302.3 | |
| All* | Total formula weight | 81397.2 |
