library(ggmsa) f <- system.file("extdata/sample.fasta", package="ggmsa") dev.new(width=11, height=2) ggmsa(f, 164, 213) TODO color schemes http://www.jalview.org/help/html/colourSchemes/clustal.html https://www.dnastar.com/manuals/MegAlignPro/15.2/en/topic/selecting-color-schemes ...