HIST3H2A GI:15617199 histone cluster 3, H2a 1 msgrgkqggk arakaksrss raglqfpvgr vhrllrkgny servgagapv 50 51 ylaavleylt aeilelagna ardnkktrii prhlqlairn deelnkllgr 100 101 vtiaqggvlp niqavllpkk teshhkakgk