A cDNA encoding the alpha-subunit of the heterotrimeric G-protein in rice (RGA1) was overexpressed in Escherichia coli and then isolated by Ni2+-nitrilotriacetic acid affinity chromatography. The molecular mass of RGA1 bearing a His tag was approx. 49 kDa. Immunoblot analysis using anti-RGA1
OsNifU1A is a NifU-like rice (Oryza sativa) protein, discovered recently. Its amino acid sequence is very homologous to the sequence of cyanobacterial CnfU and to the sequences of NifU C-terminal domains. Based on its sequence, OsNifU1A is probably a modular structure consisting of two CnfU-like
A computational analysis of RNA editing sites was performed on protein-coding sequences of plant mitochondrial genomes from Arabidopsis thaliana, Beta vulgaris, Brassica napus, and Oryza sativa. The distribution of nucleotides around edited and unedited cytidines was compared in 41 nucleotide
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