BiocManager::install("ggplot2")
BiocManager::install("ggmsa")
# 导入内置核酸序列
nt_sequences <- system.file("extdata", "LeaderRepeat_All.fa", package = "ggmsa")
ggmsa(nt_sequences, color="Chemistry_AA", font = "DroidSansMono", char_width = 0.5, seq_name = TRUE)
miRNA_sequences <- system.file("extdata", "seedSample.fa", package = "ggmsa")
ggmsa(miRNA_sequences, font = 'DroidSansMono',color = "Chemistry_NT", none_bg = TRUE) +
geom_seed(seed = "GAGGUAG", star = FALSE)ggmsa(miRNA_sequences, font = 'DroidSansMono',color = "Chemistry_NT") +
geom_seed(seed = "GAGGUAG", star = TRUE)
protein_sequences <- system.file("extdata", "sample.fasta", package = "ggmsa")
ggmsa(protein_sequences, 221, 280, seq_name = TRUE, char_width = 0.5) +
geom_seqlogo(color = "Chemistry_AA") + geom_msaBar()
fas <- list.files(system.file("extdata", "GVariation", package="ggmsa"), pattern="fas", full.names=TRUE)
x <- seqdiff(fas[1], reference=1)
plot(
x,
width = 50,
title = "auto",
xlab = "Nucleotide Position",
by = "bar",
fill = "firebrick",
colors = c(A = "#ff6d6d", C = "#769dcc", G = "#f2be3c", T = "#74ce98"),
xlim = NULL
)
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