zinc finger (Ran-binding) family protein;(source:Araport11)
TAIR Curator Summary:
Encodes a zinc-finger motif containing protein that is essential for chloroplast RNA editing. The protein physically interacts with ORRM1 and other components of chloroplast editosomes. VAR3 is a part of a protein complex required for normal chloroplast and palisade cell development. Mutants display a variegated phenotype due to somatic areas lacking or containing developmentally retarded chloroplasts and greatly reduced numbers of palisade cells.
The protein encoded by At5g17790 was given the name OZ1 (Organelle Zinc finger 1). OZ1 (Organelle Zinc finger 1) interacts with pentatricopeptide repeat site recognition factors whose cognate sites are affected when OZ1 is mutated. With the identification of OZ1, there are now 4 nuclear-encoded protein families known to be essential for plant organelle RNA editing.
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