4KYW
Restriction endonuclease DPNI in complex with two DNA molecules
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Type-2 restriction enzyme DpnI | polymer | 257 | 30078.4 | 1 | UniProt (P0A459) Pfam (PF06044) Pfam (PF17726) | Streptococcus pneumoniae | R.DpnI, Endonuclease DpnI, Type II restriction enzyme DpnI |
| 2 | B, C, D, E (C, D, E, F) | 5'-(*DC*DTP*DGP*DGP*6MAP*DTP*DCP*DCP*DAP*DG)-3' | polymer | 10 | 3059.0 | 4 | |||
| 3 | F (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) | |||
| 4 | G (A) | CALCIUM ION | non-polymer | 40.1 | 1 | Chemie (CA) | |||
| 5 | H (A) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 6 | I, J, K, L, M (A, C, D, E, F) | water | water | 18.0 | 94 | Chemie (HOH) |
Sequence modifications
A: 1 - 254 (UniProt: P0A459)
| PDB | External Database | Details |
|---|---|---|
| Gly -2 | - | expression tag |
| Pro -1 | - | expression tag |
| His 0 | - | expression tag |
| Asn 134 | Arg 134 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 5 |
| Total formula weight | 42314.5 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 128.5 | |
| All* | Total formula weight | 42443.0 |
