4MHQ
Crystal structure of human primase catalytic subunit
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | DNA primase small subunit | polymer | 425 | 50384.5 | 1 | UniProt (P49642) Pfam (PF01896) In PDB | Homo sapiens (human) | DNA primase 49 kDa subunit, p49 |
| 2 | A | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 3 | A | CITRIC ACID | non-polymer | 192.1 | 1 | Chemie (CIT) | |||
| 4 | water | water | 18.0 | 221 | Chemie (HOH) |
Sequence modifications
A: 1 - 420 (UniProt: P49642)
| PDB | External Database | Details |
|---|---|---|
| Gly -4 | - | expression tag |
| Ala -3 | - | expression tag |
| Met -2 | - | expression tag |
| Gly -1 | - | expression tag |
| Ser 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 50384.5 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 257.5 | |
| All* | Total formula weight | 50642.0 |
