2F03
Crystal structure of tetrameric restriction endonuclease SfiI in complex with cognate DNA (partial bound form)
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | E, G | DNA (5'-D(*AP*TP*G*TP*GP*GP*CP*CP*AP*AP*CP*AP*AP*GP*GP*CP*CP*TP*AP*TP*T)-3') | polymer | 21 | 6447.2 | 2 | |||
2 | F, H | DNA (5'-D(*AP*AP*TP*AP*GP*GP*CP*CP*TP*TP*GP*TP*TP*GP*GP*CP*CP*AP*CP*AP*T)-3') | polymer | 21 | 6438.2 | 2 | |||
3 | A, C | Type II restriction enzyme SfiI | polymer | 269 | 31273.6 | 2 | UniProt (O52512) Pfam (PF11487) In PDB | Endonuclease SfiI, R.SfiI | |
4 | A, C | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
5 | water | water | 18.0 | 111 | Chemie (HOH) |
Sequence modifications
A, C: 1 - 269 (UniProt: O52512)
PDB | External Database | Details |
---|---|---|
Mse 1 | Met 1 | MODIFIED RESIDUE |
Mse 119 | Met 119 | MODIFIED RESIDUE |
Mse 134 | Met 134 | MODIFIED RESIDUE |
Mse 143 | Met 143 | MODIFIED RESIDUE |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 6 |
Total formula weight | 88317.9 | |
Non-Polymers* | Number of molecules | 2 |
Total formula weight | 80.2 | |
All* | Total formula weight | 88398.0 |