NuMA1 (Nuclear Mitotic Apparatus Protein 1, NuMA Protein 1, Nuclear Matrix Protein-22, NMP-22, SP-H Antigen)

Size

£735.00

SKU:: 052817
Purity:: Purified by Protein G affinity chromatography.
Storage Conditions:: -20°C
Supplier:: United States Biological
Host:: Mouse
Immunogen:: Recombinant protein fragment corresponding to 181 amino acids from the C-terminal region of human Nuclear mitotic apparatus protein 1 (NuMA1).
Clone:: AD6-1
Format:: Supplied as a liquid in 0.1M Tris-glycine, pH 7.4, 0.15M sodium chloride, 0.05% sodium azide.
Extra Details:: Nuclear mitotic apparatus protein 1 (UniProt: Q14980; also known as NuMA protein, Nuclear matrix protein-22, NMP-22, SP-H antigen) is encoded by the NUMA1 (also known as NMP22, NUMA) gene (Gene ID: 4926) in human. NMP-22 is a homodimeric nuclear protein that is highly abundant component of the nuclear matrix where it may serve a non-mitotic structural role and occupies the majority if the nuclear volume. It is required for maintenance and establishment of the mitotic spindle poles during symmetric cell divisions, functioning as a tether linking bulk microtubules of the spindle to centrosomes. It is also considered to be essential or proper alignment of the mitotic spindle during asymmetric cell divisions. NMP-22 resides in the nuclear matrix during interphase and then dissociates from condensing chromosomes during early prophase and relocates to the spindle poles via dynein/dynamin association and it remains there until the anaphase onset. As mitosis progresses it re-associates with telophase chromosomes very early during nuclear reformation, before substantial accumulation of lamins on chromosomal surfaces is evident. NMP-22 is phosphorylated in the C-terminal tail during mitosis, most likely by CDK1 and phosphorylation increases its solubility and promotes association with dynein and subsequent translocation to the spindle poles. O-glycosylation during cytokinesis at sites identical or close to phosphorylation sites interferes with the phosphorylation status of NMP-22. Applications: Suitable for use in Western Blot and Immunocytochemistry. Other applications not tested. Recommended Dilutions: Western Blot: 0.5ug/ml detected NUMA1 in 10ug of NIH/3T3 cell lysate. Immunocytochemistry: 1:50 detected NUMA1 in HepG2 cells. Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 12 months after receipt. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

Shipping Conditions:: Blue Ice