|Detection of Human and Rat Casein Kinase 1 alpha by Western Blot. Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line, K562 human chronic myelogenous leukemia cell line, NRK rat normal kidney cell line, and Y3‑Ag rat myeloid cell line. PVDF membrane was probed with 1 µg/mL of Human/Mouse/Rat Casein Kinase 1 alpha Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4569) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for Casein Kinase 1 alpha at approximately 38 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.|
Casein Kinase 1 (CK1) represents a group of serine/threonine protein kinases that are present in all eukaryotic organisms. Human CK1 isoforms ( alpha, gamma 1, gamma 2, gamma 3, δ, and epsilon ) act as monomeric constitutively active enzymes that phosphorylate key regulatory proteins involved in the control of cell differentiation, proliferation, chromosome segregation, and circadian rhythms. CK1 family members share a highly conserved kinase domain but differ in their variable N- and C-terminal domains. CK1 alpha is speculated to play a role in mammalian cell cycle progression, spindle dynamics, and chromosome segregation.
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