protein kinase C substrate, heavy chain-related. similar to calmodulin-binding protein [Arabidopsis thaliana] (TAIR:AT5G56360.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO69831.1); contains domain PTHR12630:SF1 (PTHR12630:SF1); contains domain PTHR12630 (PTHR12630)