【英文缩写】 MDM
【词性类别】 生物科学
【英文全称】 Mutation data matrix
【中文解释】 突变数据矩阵，即PAM矩阵
【缩写简介】 A scoring matrix compiled from the observation of point mutations between aligned sequences. Also refers to a Dayhoff PAM matrix in which the scores are given as log odds scores.