transmembrane protein unknown protein%3B BEST Arabidopsis thaliana protein match is: unknown protein (TAIR:AT1G68440.1)%3B Has 21 Blast hits to 21 proteins in 6 species: Archae - 0%3B Bacteria - 0%3B Metazoa - 0%3B Fungi - 0%3B Plants - 21%3B Viruses - 0%3B Other Eukaryotes - 0 (source: NCBI BLink).