4RR2
Crystal structure of human primase
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, C | DNA primase small subunit | polymer | 420 | 49981.0 | 2 | UniProt (P49642) Pfam (PF01896) In PDB | Homo sapiens (human) | DNA primase 49 kDa subunit, p49 |
| 2 | B, D | DNA primase large subunit | polymer | 509 | 58890.9 | 2 | UniProt (P49643) Pfam (PF04104) In PDB | Homo sapiens (human) | DNA primase 58 kDa subunit, p58 |
| 3 | A, C | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 4 | D | IRON/SULFUR CLUSTER | non-polymer | 351.6 | 1 | Chemie (SF4) | |||
| 5 | water | water | 18.0 | 88 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 217743.9 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 482.5 | |
| All* | Total formula weight | 218226.3 |
