Related Experiment Video
Updated: Jun 6, 2026

11:23
Characterization at the Molecular Level using Robust Biochemical Approaches of a New Kinase Protein
Published on: June 30, 2019
Casein kinase 1: Complexity in the family
Jit Kong Cheong1, David M Virshup
1Cancer and Stem Cell Biology Program, Duke-NUS Graduate Medical School, 8 College Road, Singapore 169857, Singapore.
The International Journal of Biochemistry & Cell Biology
|December 15, 2010
Summary
The casein kinase 1 (CK1) family regulates cell processes by phosphorylating proteins, especially within the Wnt pathway. This overview highlights CK1
Area of Science:
- Biochemistry
- Molecular Biology
- Cell Biology
Background:
- The casein kinase 1 (CK1) family comprises serine/threonine kinases involved in numerous cellular functions.
- CK1 kinases exhibit a preference for substrates that have been primed by prior phosphorylation.
- CK1 plays a crucial role in signaling pathways, including the Wnt pathway, and is itself subject to regulatory posttranslational modifications like autophosphorylation.
Purpose of the Study:
- To provide a concise overview of the fundamental aspects of CK1 biology.
- To emphasize the role of CK1 in scaffold binding and kinase regulation.
- To highlight CK1's involvement in Wnt signaling and circadian rhythms.
Main Methods:
- Literature review and synthesis of existing research on CK1.
- Analysis of CK1's substrate binding preferences.
- Examination of CK1's regulatory mechanisms, including posttranslational modifications.
Main Results:
- CK1 kinases regulate diverse cellular processes through substrate phosphorylation.
- CK1's interaction with scaffolds and its regulation are key to its function.
- CK1 is integral to Wnt signaling and circadian rhythm mechanisms.
Conclusions:
- CK1 family kinases are essential regulators of fundamental cellular processes.
- Understanding CK1 scaffold binding and regulation is critical for deciphering Wnt signaling and circadian biology.
- Further research into CK1's multifaceted roles will illuminate its significance in health and disease.
Related Concept Videos
Protein Complexes with Interchangeable Parts
Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order to...
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order to...
Protein Complexes with Interchangeable Parts
Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order to...
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order to...
Allosteric Proteins-ATCase
Binding sites linkages can regulate a protein's function. For example, enzyme activity is often regulated through a feedback mechanism where the end product of the biochemical process serves as an inhibitor.
Aspartate transcarbamoylase (ATCase) is a cytosolic enzyme that catalyzes the condensation of L-aspartate and carbamoyl phosphate to N-carbamoyl-L-aspartate. This reaction is the first step in pyrimidine biosynthesis. UTP and CTP, the end products of the pyrimidine synthesis pathway,...
Aspartate transcarbamoylase (ATCase) is a cytosolic enzyme that catalyzes the condensation of L-aspartate and carbamoyl phosphate to N-carbamoyl-L-aspartate. This reaction is the first step in pyrimidine biosynthesis. UTP and CTP, the end products of the pyrimidine synthesis pathway,...
Caspases
Caspase, a family of cysteine proteases, serve as effectors in apoptosis. The ced3 gene in C.elegans was first identified to be involved in apoptosis. This gene encodes the ced-3 caspase that is similar to the interleukin-1-beta converting enzyme or ICE in mammals. In addition to apoptosis, caspases also function in the inflammatory response. Inflammatory caspases are essential in activating pro-inflammatory cytokines that recruit immune cells and block the replication of pathogens inside cells.
MAPK Signaling Cascades
Mitogen-activated protein kinase, or MAPK pathway, activates three sequential kinases to regulate cellular responses such as proliferation, differentiation, survival, and apoptosis. The canonical MAPK pathway starts with a mitogen or growth factor binding to an RTK. The activated RTKs stimulate Ras, which recruits Raf or MAP3 Kinase (MAPKKK), the first kinase of the MAPK signaling cascade. Raf further phosphorylates and activates MEK or MAP2 Kinases (MAPKK), which in turn phosphorylates MAP...
Cytoskeletal Linker Proteins - Plakins
Plakins are large proteins with binding domains for microtubules, microfilaments, intermediate filaments, and membrane-associated protein complexes at cell junctions. Plakin functions are evolutionarily conserved and are primarily involved in organizing the different components of the cytoskeleton by crosslinking them to each other and connecting them to the cell-matrix and cell adhesion complexes. They are also known to interact with signal transducers, serve as scaffolds for signaling...

