Abstract

Cop1 protein plays an important role in seedling development of higher plants. The cDNA of cop1 gene from pea ( Pisum sativum) was cloned and sequenced. Cop1 protein of pea is predicted to have 672 amino acids and a molecular mass of 76 kDa. Sequence comparison between Cop1 proteins of pea and Arabidopsis thaliana revealed that the two Cop1 proteins were highly homologous in the regions with functional domains and at the C-terminus. Immunoblotting performed with polyclonal antibodies against recombinant Cop1 of pea showed that Cop1 protein was present in seedlings germinated both in light and darkness.

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