3OWV
Structural insights into catalytic and substrate binding mechanisms of the strategic EndA nuclease from Streptococcus pneumoniae
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | DNA-entry nuclease | polymer | 248 | 26779.7 | 2 | UniProt (P0A3S3) Pfam (PF01223) In PDB | Streptococcus pneumoniae | Competence-specific nuclease |
2 | A, B | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
3 | A, B | CHLORIDE ION | non-polymer | 35.5 | 5 | Chemie (CL) | |||
4 | water | water | 18.0 | 495 | Chemie (HOH) |
Sequence modifications
A, B: 31 - 274 (UniProt: P0A3S3)
PDB | External Database | Details |
---|---|---|
Gly 27 | - | expression tag |
Ala 28 | - | expression tag |
Met 29 | - | expression tag |
Gly 30 | - | expression tag |
Ala 160 | His 160 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 53559.4 | |
Non-Polymers* | Number of molecules | 7 |
Total formula weight | 225.9 | |
All* | Total formula weight | 53785.3 |