2JEC
crystal structure of recombinant DiocleA grandiflora lectin mutant E123A-H131N-K132Q complexed witH 5-bromo-4-chloro-3-indolyl-a-D- mannose
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 | LECTIN ALPHA CHAIN | polymer | 239 | 25750.5 | 4 | UniProt (P08902) Pfam (PF00139) In PDB | DIOCLEA GRANDIFLORA | |
| 2 | A, B, C, D | CALCIUM ION | non-polymer | 40.1 | 4 | Chemie (CA) | |||
| 3 | A, B, C, D | MANGANESE (II) ION | non-polymer | 54.9 | 8 | Chemie (MN) | |||
| 4 | A, B, C, D | 5-bromo-4-chloro-1H-indol-3-yl alpha-D-mannopyranoside | non-polymer | 408.6 | 4 | Chemie (XMM) | |||
| 5 | water | water | 18.0 | 740 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 3 - 239 (UniProt: P08902)
| PDB | External Database | Details |
|---|---|---|
| Ala 1 | - | expression tag |
| Met 2 | - | expression tag |
| Ala 125 | Glu 123 | engineered mutation |
| Asn 133 | His 131 | engineered mutation |
| Gln 134 | Lys 132 | engineered mutation |
| Gln 157 | Glu 155 | conflict |
| Lys 186 | Ser 184 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 103002.1 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 2234.3 | |
| All* | Total formula weight | 105236.4 |
