4HHT
T. maritima RNase H2 G21S in complex with nucleic acid substrate and calcium ions
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Ribonuclease HII | polymer | 237 | 26569.8 | 1 | UniProt (Q9X017) Pfam (PF01351) | Thermotoga maritima | RNase HII |
| 2 | B (C) | DNA (5'-D(*GP*AP*AP*TP*CP*AP*GP*GP*TP*GP*TP*C)-3') | polymer | 12 | 3702.4 | 1 | |||
| 3 | C (D) | DNA/RNA (5'-D(*GP*AP*CP*AP*C)-R(P*C)-D(P*TP*GP*AP*TP*TP*C)-3') | polymer | 12 | 3638.4 | 1 | |||
| 4 | D, E (A) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 5 | F, G, H (A, C, D) | water | water | 18.0 | 24 | Chemie (HOH) |
Sequence modifications
A: 2 - 238 (UniProt: Q9X017)
| PDB | External Database | Details |
|---|---|---|
| Ser 21 | Gly 21 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 3 |
| Total formula weight | 33910.7 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 80.2 | |
| All* | Total formula weight | 33990.8 |
