2D4U
Crystal Structure of the ligand binding domain of the bacterial serine chemoreceptor Tsr
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | Methyl-accepting chemotaxis protein I | polymer | 176 | 19836.9 | 2 | UniProt (P02942) Pfam (PF02203) In PDB | Escherichia coli | MCP-I, Serine chemoreceptor protein |
2 | water | water | 18.0 | 424 | Chemie (HOH) |
Sequence modifications
A, B: 25 - 190 (UniProt: P02942)
PDB | External Database | Details |
---|---|---|
Gly 21 | - | linker |
Pro 22 | - | linker |
Leu 23 | - | linker |
Gly 24 | - | linker |
Cys 36 | Asp 36 | engineered mutation |
His 191 | - | expression tag |
His 192 | - | expression tag |
His 193 | - | expression tag |
His 194 | - | expression tag |
His 195 | - | expression tag |
His 196 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 39673.8 | |
All* | Total formula weight | 39673.8 |