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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Identification and characterization of rat Ankrd6 gene in silico.

WNT signals are transduced to the beta-catenin pathway or the planar cell polarity (PCP) pathway. Drosophila Frizzled ( Fz), Starry night (Stan), Van Gogh (Vang), Prickle ( Pk) and Diego (Dgo) are PCP signaling molecules. Human FZD1, FZD2, FZD3, FZD4, FZD5, FZD6, FZD7, FZD8, FZD9 and FZD10 are Fz homologs. Human CELSR1, CELSR2 and CELSR3 are Stan homologs. Human VANGL1 and VANGL2 are Vang homologs. Human PRICKLE1 and PRICKLE2 are Pk homologs. Human ANKRN6 is a Dgo homolog. Here, we identified and characterized rat Ankrd6 gene by using bioinformatics. Ankrd6 gene, consisting of 15 exons, was located within AC105547.5 genome sequence derived from rat chromosome 5q21. Rat Ankrd6 mRNA was expressed in corpus-striatum, eye, lung, and kidney. Rat Ankrd6 (714 aa) with six ankyrin (Ank) repeats and two coiled-coil regions showed 95.0, 84.2 and 53.4% total-amino-acid identity with mouse, human and zebrafish orthologs, respectively. Ser 340 of rat Ankrd6, conserved among mammalian Ankrd6 orthologs, was a protein kinase A ( PKA) phosphotylation and 14-3-3 interaction site. Ank repeats are putative binding domains for Prickle1, Prickle2, Vangl1, and Vangl2. Central coiled-coil region is located within binding domain for Casein kinase I epsilon (CkIe). C-terminal coiled-coil region is located within binding domain for Axin1 and Axin2. Fourth to sixth Ank repeats of vertebrate Ankrd6 orthologs (codon 141-239) were highly conserved in Drosophila Dgo; however, two coiled-coil regions of vertebrate Ankrd6 orthologs were absent in Drosophila Dgo. Due to the molecular evolution, functions of vertebrate Ankrd6 orthologs were predicted to partially differ from those of Drosophila Dgo.[1]


  1. Identification and characterization of rat Ankrd6 gene in silico. Katoh, M., Katoh, M. Int. J. Mol. Med. (2005) [Pubmed]
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