4BE7
MUTANT (K220R) OF THE HSDR SUBUNIT OF THE ECOR124I RESTRICTION ENZYME IN COMPLEX WITH ATP
Replaces: 2W74Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (B, D) | TYPE I RESTRICTION ENZYME ECOR124II R PROTEIN | polymer | 1038 | 120306.9 | 2 | UniProt (Q304R3) Pfam (PF04313) Pfam (PF18766) Pfam (PF22679) Pfam (PF12008) UniProt (by SIFTS) (P10486) | ESCHERICHIA COLI | R.ECOR124II, TYPE I RESTRICTION ENZYME ECOR124II R PROTEIN HSDR |
| 2 | C, H (B, D) | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 2 | Chemie (ATP) | |||
| 3 | D, E, I, J (B, D) | PHOSPHATE ION | non-polymer | 95.0 | 4 | Chemie (PO4) | |||
| 4 | F, G (B, D) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 5 | K, L (B, D) | water | water | 18.0 | 78 | Chemie (HOH) |
Sequence modifications
B, D: 1 - 1038 (UniProt: Q304R3)
| PDB | External Database | Details |
|---|---|---|
| Arg 220 | Lys 220 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 240613.8 | |
| Non-Polymers* | Number of molecules | 8 |
| Total formula weight | 1442.9 | |
| All* | Total formula weight | 242056.6 |
