transmembrane protein unknown protein%3B BEST Arabidopsis thaliana protein match is: unknown protein (TAIR:AT5G52420.1)%3B Has 86 Blast hits to 86 proteins in 15 species: Archae - 0%3B Bacteria - 0%3B Metazoa - 0%3B Fungi - 0%3B Plants - 84%3B Viruses - 0%3B Other Eukaryotes - 2 (source: NCBI BLink).