5ELF
Cholera toxin El Tor B-pentamer in complex with A-pentasaccharide
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... | Cholera enterotoxin subunit B | polymer | 103 | 11660.3 | 10 | UniProt (P01556) Pfam (PF01376) In PDB | Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961) | Cholera enterotoxin B chain,Cholera enterotoxin gamma chain,Choleragenoid |
| 2 | K, M, P, Q | alpha-L-fucopyranose-(1-2)-[2-acetamido-2-deoxy-alpha-D-galactopyranose-(1-3)]beta-D-galactopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]alpha-D-glucopyranose | branched | 837.8 | 4 | In PDB GlyTouCan (G75772UP) | |||
| 3 | L, N, O | alpha-L-fucopyranose-(1-2)-[2-acetamido-2-deoxy-alpha-D-galactopyranose-(1-3)]beta-D-galactopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]beta-D-glucopyranose | branched | 837.8 | 3 | In PDB GlyTouCan (G62121FH) | |||
| 4 | C, D, E, A, B | CALCIUM ION | non-polymer | 40.1 | 10 | Chemie (CA) | |||
| 5 | C, D, E, A, B | BICINE | non-polymer | 163.2 | 10 | Chemie (BCN) | |||
| 6 | H, B | alpha-L-fucopyranose | non-polymer | 164.2 | 2 | Chemie (FUC) | |||
| 7 | D, G | alpha-D-glucopyranose | non-polymer | 180.2 | 2 | Chemie (GLC) | |||
| 8 | F | TETRAETHYLENE GLYCOL | non-polymer | 194.2 | 1 | Chemie (PG4) | |||
| 9 | water | water | 18.0 | 1194 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 10 |
| Total formula weight | 116603.5 | |
| Branched | Number of molecules | 7 |
| Total formula weight | 5864.4 | |
| Non-Polymers* | Number of molecules | 25 |
| Total formula weight | 2915.3 | |
| All* | Total formula weight | 125383.2 |
