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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Cloning and sequencing of a calcium-binding protein regulated by cyclic AMP in the thyroid.

p24 is a thyroid protein (Mr 24,000) identified by two-dimensional gel electrophoresis on the basis that its synthesis and phosphorylation are up-regulated by thyrotropin and cyclic AMP agonists. p24 cDNA was cloned from a lambda gt11 cDNA library using a polyclonal antibody raised against the protein recovered from a Western blot spot. The encoded polypeptide (189 residues) displays a putative target-site for phosphorylation by cyclic AMP-dependent protein kinase and belongs to the superfamily of proteins binding Ca2+ through 'EF hand' domains. It presents four such domains of which two agree closely with the consensus. The ability of p24 to bind Ca2+ has been directly confirmed on Western blots. p24 was detected in many tissues including the salivary glands, the lung and the brain. The ubiquitous nature of p24, together with its regulatory and sequence characteristics suggest that it constitutes an important target common to the cyclic AMP and Ca2+-phosphatidylinositol cascades.[1]

References

  1. Cloning and sequencing of a calcium-binding protein regulated by cyclic AMP in the thyroid. Lefort, A., Lecocq, R., Libert, F., Lamy, F., Swillens, S., Vassart, G., Dumont, J.E. EMBO J. (1989) [Pubmed]
 
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