>tr|A0A3Q7P565|A0A3Q7P565_CALUR Chromobox protein homolog 3 isoform X1 OS=Callorhinus ursinus GN=CBX3 MASNKTTLQKMGKKQNGKSKKVEEAEPEEFVVEKVLDRRVVNGKVEYFLKWKGFTDADNT WEPEENLDCPELIEAFLNSQKAGKEKDGTKRKSLSDSESDDSKSKKKRDAADKPRGFARG LDPERIIGATDSSGELMFLMKWKDSDEADLVLAKEANMKCPQIVIAFYEERLTWHSCPED EAQ