4BEC
MUTANT (K220A) OF THE HSDR SUBUNIT OF THE ECOR124I RESTRICTION ENZYME IN COMPLEX WITH ATP
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | TYPE I RESTRICTION ENZYME HSDR | polymer | 1038 | 120220.8 | 2 | UniProt (Q304R3) Pfam (PF04313) Pfam (PF18766) Pfam (PF12008) UniProt (by SIFTS) (P10486) In PDB | ESCHERICHIA COLI | |
| 2 | A, B | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 3 | A, B | ADENOSINE-5'-TRIPHOSPHATE | non-polymer | 507.2 | 2 | Chemie (ATP) | |||
| 4 | water | water | 18.0 | 8 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 1038 (UniProt: Q304R3)
| PDB | External Database | Details |
|---|---|---|
| Ala 220 | Lys 220 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 240441.6 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 1063.0 | |
| All* | Total formula weight | 241504.5 |
