1S5D
Cholera holotoxin with an A-subunit Y30S mutation, Crystal form 2
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Cholera enterotoxin, A chain | polymer | 240 | 27152.9 | 1 | UniProt (P01555) Pfam (PF01375) | Vibrio cholerae | NAD(+)--diphthamide ADP- ribosyltransferase, Cholera enterotoxin A subunit |
| 2 | B, C, D, E, F (D, E, F, G, H) | cholera toxin B protein (CTB) | polymer | 103 | 11623.3 | 5 | UniProt (P01556) Pfam (PF01376) | Vibrio cholerae | |
| 3 | G (A) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 4 | H, J, L, N, P (A, D, E, F, G) | GLYCEROL | non-polymer | 92.1 | 5 | Chemie (GOL) | |||
| 5 | I, K, M, O, Q (D, E, F, G, H) | beta-D-galactopyranose | non-polymer | 180.2 | 5 | Chemie (GAL) | |||
| 6 | R, S, T, U, V... (A, D, E, F, G...) | water | water | 18.0 | 603 | Chemie (HOH) |
Sequence modifications
A: 1 - 240 (UniProt: P01555)
| PDB | External Database | Details |
|---|---|---|
| Ser 30 | Tyr 30 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 85269.2 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 1384.2 | |
| All* | Total formula weight | 86653.4 |
