5ELD
Cholera toxin classical B-pentamer in complex with A Lewis-y
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 (A, B, C, D, E) | Cholera enterotoxin B subunit | polymer | 103 | 11623.3 | 5 | UniProt (Q57193) Pfam (PF01376) UniProt (by SIFTS) (D6R7L2) | Vibrio cholerae O1 | Cholera toxin B-pentamer, classical variant,Cholera enterotoxin subunit B,Cholera toxin B protein (CTB),Cholera toxin B subunit,Cholera toxin beta subunit,Cholera toxin subunit B,Cholerae toxin B subunit,CtxB |
| 2 | F, G, H, I (F, G, H, I) | alpha-L-fucopyranose-(1-2)-[2-acetamido-2-deoxy-alpha-D-galactopyranose-(1-3)]beta-D-galactopyranose-(1-4)-[alpha-L-fucopyranose-(1-3)]2-acetamido-2-deoxy-alpha-D-glucopyranose | branched | 878.8 | 4 | In PDB BIRD (PRD_900128) GlyTouCan (G62623TF) | Blood group A Lewis Y antigen, alpha anomer | ||
| 3 | J, P (A, D) | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 2 | Chemie (PEG) | |||
| 4 | K, O, S (A, C, E) | beta-D-galactopyranose | non-polymer | 180.2 | 3 | Chemie (GAL) | |||
| 5 | L (B) | SODIUM ION | non-polymer | 23.0 | 1 | Chemie (NA) | |||
| 6 | M (C) | 2-(N-MORPHOLINO)-ETHANESULFONIC ACID | non-polymer | 195.2 | 1 | Chemie (MES) | |||
| 7 | N, Q, R (C, D, E) | TRIETHYLENE GLYCOL | non-polymer | 150.2 | 3 | Chemie (PGE) | |||
| 8 | T (E) | alpha-D-galactopyranose | non-polymer | 180.2 | 1 | Chemie (GLA) | |||
| 9 | U, V, W, X, Y (A, B, C, D, E) | water | water | 18.0 | 610 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 5 |
| Total formula weight | 58116.3 | |
| Branched | Number of molecules | 4 |
| Total formula weight | 3515.3 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 1601.6 | |
| All* | Total formula weight | 63233.2 |
