signal peptidase. Identical to Probable signal peptidase complex subunit 1 [Arabidopsis Thaliana] (GB:Q944J0;GB:Q7G9Y5); similar to signal peptidase [Arabidopsis thaliana] (TAIR:AT4G40042.1); similar to Microsomal signal peptidase 12 kDa subunit family protein [Oryza sativa (japonica cultivar-group)] (GB:ABA98316.2); similar to hypothetical protein OsI_036933 [Oryza sativa (indica cultivar-group)] (GB:EAY82974.1); similar to hypothetical protein OsJ_034565 [Oryza sativa (japonica cultivar-group)] (GB:EAZ20356.1); contains InterPro domain Microsomal signal peptidase 12 kDa subunit; (InterPro:IPR009542)