DDB_G0285385 is encoded by the gene DDB_G0285385 in Dictyostelium discoideum. It is annotated as a putative transmembrane protein with a length of 303 amino acids (UniProt ID: Q54N94) . Recombinant versions are produced for research applications, enabling biochemical and structural studies.
The recombinant protein is expressed in E. coli and purified using affinity chromatography. Key steps include:
Construct Design: Codon-optimized for prokaryotic expression.
Purification: His-tag affinity followed by size-exclusion chromatography .
Storage: Lyophilized powder in Tris/PBS buffer with 6% trehalose (pH 8.0), stable at -20°C/-80°C .
| Parameter | Details |
|---|---|
| Purity | >90% (SDS-PAGE verified) |
| Reconstitution | Deionized water or custom buffers (e.g., with glycerol for stability) |
| Applications | ELISA, structural studies, interaction assays |
While the exact role of DDB_G0285385 is unknown, its classification as a transmembrane protein suggests potential involvement in:
Membrane trafficking: Analogous to other Dictyostelium transmembrane proteins regulating endocytosis or macropinocytosis .
Cell signaling: Possible interaction with conserved pathways like the γ-secretase complex, which modulates membrane dynamics in Dictyostelium .
Retention in membrane fractions: Observed in detergent-insoluble cytoskeletal preparations .
Interaction assays: Direct binding partners remain unidentified, though yeast two-hybrid screens are pending .
Recombinant DDB_G0285385 is primarily used for:
Antibody production: Immunogen for generating custom antibodies .
Structural studies: Crystallization trials or cryo-EM to resolve 3D architecture.
Pathway analysis: Screening for involvement in conserved signaling cascades (e.g., autophagy, phagocytosis) .
KEGG: ddi:DDB_G0285385