Additional file 6 of Conserved paradoxical relationships among the evolutionary, structural and expressional features of KRAB zinc-finger proteins reveal their special functional characteristics

Additional file 6. The spearman’s rank correlation coefficients between gene intrinsic properties (gene age, zinc finger divergence time or SDR values) and expression level (TPM) in 7 mammals (related to Fig. 5).补充材料6：7种哺乳动物中，基因固有属性（基因年龄、锌指结构分化时间或SDR值（SDR values））与基因表达水平（每百万转录本（TPM，Transcripts Per Million））之间的斯皮尔曼等级相关系数（Spearman’s rank correlation coefficients），相关内容对应图5。