3A0R
Crystal structure of histidine kinase ThkA (TM1359) in complex with response regulator protein TrrA (TM1360)
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A | Sensor protein | polymer | 349 | 40999.0 | 1 | UniProt (Q9X180) Pfam (PF00989) Pfam (PF00512) Pfam (PF02518) In PDB | Thermotoga maritima | Histidine kinase ThkA |
2 | B | Response regulator | polymer | 116 | 13521.0 | 1 | UniProt (Q9X181) Pfam (PF00072) In PDB | Thermotoga maritima | TrrA |
3 | A | MERCURY (II) ION | non-polymer | 200.6 | 1 | Chemie (HG) |
Sequence modifications
A: 408 - 755 (UniProt: Q9X180)
B: 1 - 116 (UniProt: Q9X181)
PDB | External Database | Details |
---|---|---|
Met 407 | - | expression tag |
PDB | External Database | Details |
---|---|---|
Mse 89 | Leu 89 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 54520.0 | |
Non-Polymers* | Number of molecules | 1 |
Total formula weight | 200.6 | |
All* | Total formula weight | 54720.6 |