1LT3
HEAT-LABILE ENTEROTOXIN DOUBLE MUTANT N40C/G166C
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 | polymer | 103 | 11807.5 | 5 | UniProt (P32890) Pfam (PF01376) | Escherichia coli | LT-I |
| 2 | F (A) | HEAT-LABILE ENTEROTOXIN | polymer | 240 | 27886.7 | 1 | UniProt (P06717) Pfam (PF01375) | Escherichia coli | LT-I |
| 3 | G, H, I, J, K (B, C, I, J, K) | beta-D-galactopyranose-(1-4)-beta-D-glucopyranose | branched | 342.3 | 5 | In PDB BIRD (PRD_900004) GlyTouCan (G84224TW) | beta-lactose |
Sequence modifications
A: 1 - 240 (UniProt: P06717)
| PDB | External Database | Details |
|---|---|---|
| Cys 40 | Asn 58 | engineered mutation |
| Cys 166 | Gly 184 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 86924.4 | |
| Branched | Number of molecules | 5 |
| Total formula weight | 1711.5 | |
| All* | Total formula weight | 88635.9 |
