>tr|A0A250XVZ9|A0A250XVZ9_CASCN Chromobox protein homolog 1 OS=Castor canadensis GN=CBX1 MGKKQNKKKVEEVLEEEEEEYVVEKVLDRRVVKGKVEYLLKWKGFSDEDNTWEPEENLDC PDLIAEFLQSQKTAHETDKSEGGKRKADSDSEDKGEESKPKKKKEESEKPRGFARGLEPE RIIGATDSSGELMFLMKWKNSDEADLVPAKEANVKCPQVVISFYEERLTWHSYPSEDDDK KDDKN