5Z1P
Structural basis of the improved sweetness and stability of the single-chain sweet-tasting protein monellin (MNEI)
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 (A, B, C, D) | Monellin chain B,Monellin chain A | polymer | 97 | 11346.0 | 4 | UniProt (P02882) UniProt (P02881) | Dioscoreophyllum cumminsii (Serendipity berry) | Monellin chain II,Monellin chain I |
| 2 | E, F, G, H (A, B, C, D) | water | water | 18.0 | 277 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 48 (UniProt: P02882)
A, B, C, D: 52 - 96 (UniProt: P02881)
| PDB | External Database | Details |
|---|---|---|
| Met 0 | - | initiating methionine |
| Asn 2 | Glu 2 | engineered mutation |
| Ala 23 | Glu 23 | engineered mutation |
| Asn 49 | - | linker |
| Glu 50 | - | linker |
| Gly 51 | - | linker |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 45384.0 | |
| All* | Total formula weight | 45384.0 |
