DNASE2B GI:17402882 deoxyribonuclease II beta isoform 2 1 mpqlctrass seipgrlltt lqsaqgqkfl hfaksdsfld difaawmaqr 50 51 lkthlltetw qrkrqelpsn cslpyhvyni kaiklsrhsy fssyqdhakw 100 101 cisqkgtknr wtcigdlnrs phqafrsggf ictqnwqiyq afqglvlyye 150 151 sck