meprin and TRAF homology domain-containing protein / MATH domain-containing protein. similar to ZW9 [Arabidopsis thaliana] (TAIR:AT1G58270.1); similar to unknown [Populus trichocarpa] (GB:ABK94833.1); contains InterPro domain MATH (InterPro:IPR002083); contains InterPro domain TRAF-like (InterPro:IPR008974); contains InterPro domain TRAF-type (InterPro:IPR013322)