1Q78
Crystal structure of poly(A) polymerase in complex with 3'-dATP and magnesium chloride
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Poly(A) polymerase alpha | polymer | 514 | 59215.3 | 1 | UniProt (P25500) Pfam (PF01909) Pfam (PF04928) Pfam (PF04926) | Bos taurus (cattle) | PAP, Polynucleotide adenylyltransferase alpha |
| 2 | B (A) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 3 | C (A) | 3'-DEOXYADENOSINE-5'-TRIPHOSPHATE | non-polymer | 491.2 | 1 | Chemie (3AT) | |||
| 4 | D (A) | water | water | 18.0 | 123 | Chemie (HOH) |
Sequence modifications
A: 1 - 514 (UniProt: P25500)
| PDB | External Database | Details |
|---|---|---|
| Csd 36 | Cys 35 | modified residue |
| Csd 197 | Cys 196 | modified residue |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 59215.3 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 515.5 | |
| All* | Total formula weight | 59730.8 |
