Partial Purification and Characterization of Messenger RNA Coding 14‐3‐2 Protein from Rat Brain
- 1 August 1982
- journal article
- research article
- Published by Wiley in Journal of Neurochemistry
- Vol. 39 (2), 366-370
- https://doi.org/10.1111/j.1471-4159.1982.tb03957.x
Abstract
14-3-2 Protein (neuron-specific enolase) is a neuron-specific protein. Using a reticulocyte lysate cell-free system for translation of 14-3-2 protein mRNA, it was increased partially by several procedures, including formamide sucrose density centrifugation, formamide polyacrylamide gel electrophoresis (PAGE) and polyuridylic acid (poly(U))-Sepharose affinity chromatography. Using mRNA obtained by these procedures, the translation ratio of 14-3-2 protein synthesized/total soluble protein synthesized could be increased to 7.31%. The overall purification was 37.8-fold. The size of 14-3-2 protein mRNA appears to be .apprx. 19-20S, because translation acitvity of mRNA obtained by sucrose density gradient centrifugation or formamide PAGE was the most active in this RNA size.Keywords
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