1CHP
SURPRISING LEADS FOR A CHOLERA TOXIN RECEPTOR BINDING ANTAGONIST; CRYSTALLOGRAPHIC STUDIES OF CTB MUTANTS
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, E (D, E, F, G, H) | CHOLERA TOXIN B PENTAMER | polymer | 103 | 11681.3 | 5 | UniProt (P01556) Pfam (PF01376) | Vibrio cholerae | CHOLERAGEN |
| 2 | F (H) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 3 | G, H, I, J, K (D, E, F, G, H) | water | water | 18.0 | 248 | Chemie (HOH) |
Sequence modifications
D, E, F, G, H: 1 - 103 (UniProt: P01556)
| PDB | External Database | Details |
|---|---|---|
| His 18 | Tyr 39 | conflict |
| Asp 33 | Gly 54 | engineered mutation |
| Thr 47 | Ile 68 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 5 |
| Total formula weight | 58406.5 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 35.5 | |
| All* | Total formula weight | 58442.0 |
