6H2J
Crystal structure of the HsdR subunit of the EcoR124I restriction enzyme with the C-terminal domain
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B (A, B) | Type I restriction enzyme R Protein | polymer | 1038 | 120982.3 | 2 | UniProt (Q304R3) Pfam (PF04313) Pfam (PF18766) Pfam (PF22679) Pfam (PF12008) UniProt (by SIFTS) (P10486) | Escherichia coli | |
2 | C, E (A, B) | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 2 | Chemie (ATP) | |||
3 | D, F (A, B) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
4 | G, H (A, B) | water | water | 18.0 | 383 | Chemie (HOH) |
Sequence modifications
A, B: 2 - 1038 (UniProt: Q304R3)
PDB | External Database | Details |
---|---|---|
Mse 1 | - | initiating methionine |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 241964.7 | |
Non-Polymers* | Number of molecules | 4 |
Total formula weight | 1063.0 | |
All* | Total formula weight | 243027.6 |