1LT4
HEAT-LABILE ENTEROTOXIN MUTANT S63K
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 | 247 | 28654.5 | 1 | UniProt (P06717) Pfam (PF01375) UniProt (by SIFTS) (Q2HQJ7) | 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 | ||
| 4 | L, M, N, O, P... (D, E, F, G, H...) | water | water | 18.0 | 356 | Chemie (HOH) |
Sequence modifications
A: 1 - 233 (UniProt: P06717)
| PDB | External Database | Details |
|---|---|---|
| Lys 63 | Ser 81 | engineered mutation |
| Asn 188 | - | insertion |
| Ser 188 | - | insertion |
| Ser 188 | - | insertion |
| Arg 188 | - | insertion |
| Thr 188 | - | insertion |
| Ile 188 | - | insertion |
| Thr 188 | - | insertion |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 87692.2 | |
| Branched | Number of molecules | 5 |
| Total formula weight | 1711.5 | |
| All* | Total formula weight | 89403.7 |
