CBX5 GI:188035910 heterochromatin protein 1-alpha 1 mgkktkrtad ssssedeeey vvekvldrrv vkgqveyllk wkgfseehnt 50 51 wepeknldcp elisefmkky kkmkegennk preksesnkr ksnfsnsadd 100 101 ikskkkreqs ndiargferg lepekiigat dscgdlmflm kwkdtdeadl 150 151 vlakeanvkc pqiviafyee rltwhayped aenkeketak s