ATARCA (Arabidopsis thaliana Homolog of the Tobacco ArcA); nucleotide binding. Identical to Guanine nucleotide-binding protein subunit beta-like protein (ARCA) [Arabidopsis Thaliana] (GB:O24456;GB:Q9LDI1); similar to guanine nucleotide-binding family protein / activated protein kinase C receptor, putative / RACK, putative [Arabidopsis thaliana] (TAIR:AT1G48630.1); similar to Guanine nucleotide-binding protein subunit beta-like protein (GB:Q39336); contains InterPro domain WD40 repeat-like (InterPro:IPR011046); contains InterPro domain WD40/YVTN repeat-like (InterPro:IPR015943); contains InterPro domain WD40 repeat (InterPro:IPR001680)