chloroplast lumen common family protein. similar to tetratricopeptide repeat (TPR)-containing protein [Arabidopsis thaliana] (TAIR:AT3G18420.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO71747.1); contains InterPro domain Tetratricopeptide-like helical; (InterPro:IPR011990); contains InterPro domain Tetratricopeptide region (InterPro:IPR013026)