Recombinant D. melanogaster Short spindle protein 4(ssp4), partial

Drosophila melanogaster

Patronin

Patronin; l(2)k07433; ssp4; CG33130; Patronin; Short spindle protein 4

Cytoplasm, cytoskeleton, microtubule organizing center, spindle pole body. Cytoplasm, cytoskeleton, microtubule organizing center, centrosome. Note=Localizes to centrosomes in prophase, to the midbody during cytokinesis, diffusely throughout the metaphase spindle and to punctae in interphase that often overlap with MTs. Colocalizes with Sas-4 and SAK at the microtubule organizing center.

CAMSAP1 family

Involved in mitotic spindle assembly. Regulates microtubule (MT) severing. Antagonizes the activity of the kinesin-13 depolymerase Klp10A thereby switching off the depolymerization of the MTs at their pole-associated minus ends, which turns off poleward flux and induces anaphase B spindle elongation. Involved in asymmetric cell division of sensory organ precursor (SOP) cells by playing a role in the asymmetric localization of Sara-expressing endosomes to the pIIa daughter cell but not to the pIIb cell. Klp98A targets Sara-expressing endosomes to the central spindle which is symmetrically arranged in early cell division. During late cytokinesis, central spindle asymmetry is generated by enrichment of Patronin on the pIIb side which protects microtubules from depolymerization by Klp10A while unprotected microtubules on the pIIa side are disassembled by Klp10A, leading to the asymmetric delivery of Sara-expressing endosomes to the pIIa daughter cell.

KEGG: Dmel_CG33130; UniGene: Dm.20641

Recombinant Protein

Yeast; E. coli; Baculovirus; Mammalian cell

Partial

>85% (SDS-PAGE)

The following tags are available. N-terminal His-tagged Tag-Free

Lyophilized powder

Tris/PBS-based buffer, 6% Trehalose, pH 8.0

We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20 °C/-80 °C. Our default final concentration of glycerol is 50%. Customers could use it as reference.

Delivery time may differ from different purchasing ways or locations, please kindly consult us for specific delivery times.

Store at -20 °C/-80 °C upon receipt, aliquoting is necessary for multiple use.

The shelf life is related to many factors, including storage state, buffer ingredients, storage temperature, and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20 °C/-80 °C. The shelf life of lyophilized form is 12 months at -20 °C/-80 °C.

Repeated freezing and thawing are not recommended.

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Store working aliquots at 4 °C for up to one week.