nodulin MtN3 family protein. similar to nodulin MtN3 family protein [Arabidopsis thaliana] (TAIR:AT3G48740.1); similar to NEC1 [Petunia x hybrida] (GB:AAG34696.1); contains InterPro domain MtN3 and saliva related transmembrane protein (InterPro:IPR004316)