H2AFX GI:4504253 H2A histone family, member X 1 msgrgktggk arakaksrss raglqfpvgr vhrllrkghy aervgagapv 50 51 ylaavleylt aeilelagna ardnkktrii prhlqlairn deelnkllgg 100 101 vtiaqggvlp niqavllpkk tsatvgpkap sggkkatqas qey