FUS6 (FUSCA 6). Identical to COP9 signalosome complex subunit 1 (CSN1) [Arabidopsis Thaliana] (GB:P45432;GB:Q8GYL2;GB:Q9C5F0;GB:Q9M2E9;GB:Q9M4G0); similar to 26S proteasome regulatory subunit, putative (RPN7) [Arabidopsis thaliana] (TAIR:AT4G24820.2); similar to 26S proteasome regulatory subunit, putative (RPN7) [Arabidopsis thaliana] (TAIR:AT4G24820.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO24381.1); similar to hypothetical protein [Vitis vinifera] (GB:CAN74681.1); contains InterPro domain Proteasome component region PCI (InterPro:IPR000717)