>gi|4504253 H2A histone family, member X [Homo sapiens]
MSGRGKTGGKARAKAKSRSSRAGLQFPVGRVHRLLRKGHYAERVGAGAPV
YLAAVLEYLTAEILELAGNAARDNKKTRIIPRHLQLAIRNDEELNKLLGG
VTIAQGGVLPNIQAVLLPKKTSATVGPKAPSGGKKATQASQEY