2GN0
Crystal structure of dimeric biodegradative threonine deaminase (TdcB) from Salmonella typhimurium at 1.7 A resolution (Triclinic form with one complete subunit built in alternate conformation)
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B, C, D | Threonine dehydratase catabolic | polymer | 342 | 36887.1 | 4 | UniProt (P11954) Pfam (PF00291) In PDB | Salmonella typhimurium | Threonine deaminase |
2 | A, C | SODIUM ION | non-polymer | 23.0 | 2 | Chemie (NA) | |||
3 | water | water | 18.0 | 780 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 2 - 329 (UniProt: P11954)
PDB | External Database | Details |
---|---|---|
Met -12 | - | cloning artifact |
Arg -11 | - | cloning artifact |
Gly -10 | - | cloning artifact |
Ser -9 | - | cloning artifact |
His -8 | - | expression tag |
His -7 | - | expression tag |
His -6 | - | expression tag |
His -5 | - | expression tag |
His -4 | - | expression tag |
His -3 | - | expression tag |
Gly -2 | - | cloning artifact |
Met -1 | - | cloning artifact |
Ala 0 | - | cloning artifact |
Ser 1 | - | cloning artifact |
Llp 58 | Lys 58 | modified residue |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 4 |
Total formula weight | 147548.3 | |
Non-Polymers* | Number of molecules | 2 |
Total formula weight | 46.0 | |
All* | Total formula weight | 147594.3 |