1LTT
LACTOSE BINDING TO HEAT-LABILE ENTEROTOXIN REVEALED BY X-RAY CRYSTALLOGRAPHY
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) | HEAT-LABILE ENTEROTOXIN, SUBUNIT B | polymer | 103 | 11807.5 | 5 | UniProt (P32890) Pfam (PF01376) | Escherichia coli | |
| 2 | F (A) | HEAT-LABILE ENTEROTOXIN, SUBUNIT A | polymer | 185 | 21354.6 | 1 | UniProt (P06717) Pfam (PF01375) | Escherichia coli | |
| 3 | G (C) | HEAT-LABILE ENTEROTOXIN, SUBUNIT A | polymer | 41 | 4953.4 | 1 | UniProt (P06717) | Escherichia coli | |
| 4 | H, I, J, K, L (B, I, J, K, L) | beta-D-galactopyranose-(1-4)-beta-D-glucopyranose | branched | 342.3 | 5 | In PDB BIRD (PRD_900004) GlyTouCan (G84224TW) | beta-lactose | ||
| 5 | M, N, O, P, Q... (D, E, F, G, H...) | water | water | 18.0 | 334 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 7 |
| Total formula weight | 85345.7 | |
| Branched | Number of molecules | 5 |
| Total formula weight | 1711.5 | |
| All* | Total formula weight | 87057.2 |
