similar to unknown protein [Arabidopsis thaliana] (TAIR:AT1G70550.2); similar to unknown protein [Arabidopsis thaliana] (TAIR:AT1G70550.1); similar to putative carboxyl-terminal proteinase [Gossypium hirsutum] (GB:AAK84952.2); contains InterPro domain Protein of unknown function DUF239, plant (InterPro:IPR004314)