2G8K
B. halodurans RNase H catalytic domain D192N mutant in complex with Ca2+ and RNA/DNA hybrid (non-P nick at the active site)
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | B | 5'-R(*UP*CP*GP*AP*CP*A)-3' | polymer | 6 | 1875.2 | 1 | |||
2 | C | 5'-D(*AP*TP*GP*TP*CP*G)-3' | polymer | 6 | 1824.2 | 1 | |||
3 | A | Ribonuclease H | polymer | 142 | 16329.5 | 1 | UniProt (Q9KEI9) In PDB | Bacillus halodurans | RNase H |
4 | A | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
5 | water | water | 18.0 | 271 | Chemie (HOH) |
Sequence modifications
A: 59 - 196 (UniProt: Q9KEI9)
PDB | External Database | Details |
---|---|---|
Gly 55 | - | cloning artifact |
Ser 56 | - | cloning artifact |
His 57 | - | cloning artifact |
Met 58 | - | cloning artifact |
Asn 192 | Asp 192 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 3 |
Total formula weight | 20028.9 | |
Non-Polymers* | Number of molecules | 4 |
Total formula weight | 160.3 | |
All* | Total formula weight | 20189.2 |