176 lines
No EOL
6.3 KiB
R
176 lines
No EOL
6.3 KiB
R
#logo plots
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# one for multiple muts
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# --> select/drop down option to filter count of nsSNPs
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# --> select/drop down option for colour
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# --> should include WT
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# Data used
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#tab_mt # mutant logo plot
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#tab_wt # wt logo plot
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# Make it hover over position and then get the corresponding data table!
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#%%======================================================================
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#==================
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# logo data: OR
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#==================
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# NOTE: my_logo_col
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LogoPlotMSA <- function(msaSeq_mut
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, msaSeq_wt
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, msa_method = 'bits' # or probability
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, my_logo_col = "chemistry"
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, x_lab = "Wild-type position"
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, y_lab = "Count"
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, x_ats = 13 # text size
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, x_tangle = 90 # text angle
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, y_ats = 13
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, y_tangle = 0
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, x_tts = 13 # title size
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, y_tts = 13
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, leg_pos = "top" # can be top, left, right and bottom or c(0.8, 0.9)
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, leg_dir = "horizontal" #can be vertical or horizontal
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, leg_ts = 16 # leg text size
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, leg_tts = 16 # leg title size
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)
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{
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############################################
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# Data processing for logo plot for nsSNPS
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############################################
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cat("\nLength of MSA", nrow(msaSeq_mut)
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, "\nlength of WT seq:", nrow(msaSeq_wt))
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######################################
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# Generating plots for muts and wt
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#####################################
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LogoPlotMSAL <- list()
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if (my_logo_col %in% c('clustalx','taylor')) {
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cat("\nSelected colour scheme:", my_logo_col
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, "\nUsing black theme\n")
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theme_bgc = "black"
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xfont_bgc = "white"
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yfont_bgc = "white"
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xtt_col = "white"
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ytt_col = "white"
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}
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if (my_logo_col %in% c('chemistry', 'hydrophobicity')) {
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cat('\nSelected colour scheme:', my_logo_col
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, "\nUsing grey theme")
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theme_bgc = "grey"
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xfont_bgc = "black"
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yfont_bgc = "black"
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xtt_col = "black"
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ytt_col = "black"
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}
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#####################################
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# Generating logo plots for nsSNPs
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#####################################
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#-------------------
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# Mutant logo plot
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#-------------------
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p0 = ggseqlogo(msaSeq_mut
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#msaSeq_mut$V1
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, facet = "grid"
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, method = msa_method
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, col_scheme = my_logo_col
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, seq_type = 'aa')
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# further customisation
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msa_mut_logo_P = p0 + theme(legend.position = leg_pos
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, legend.direction = leg_dir
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#, legend.title = element_blank()
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, legend.title = element_text(size = leg_tts
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, colour = ytt_col)
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, legend.text = element_text(size = leg_ts)
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, axis.text.x = element_text(size = x_ats
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, angle = x_tangle
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, hjust = 1
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, vjust = 0.4
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, colour = xfont_bgc)
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#, axis.text.y = element_blank()
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, axis.text.y = element_text(size = y_ats
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, angle = y_tangle
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, hjust = 1
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, vjust = -1.0
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, colour = yfont_bgc)
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, axis.title.x = element_text(size = x_tts
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, colour = xtt_col)
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, axis.title.y = element_text(size = y_tts
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, colour = ytt_col)
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, plot.background = element_rect(fill = theme_bgc))
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cat('\nDone: msa_mut_logo_P')
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#return(msa_mut_logoP)
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LogoPlotMSAL[['msa_mut_logoP']] <- msa_mut_logo_P
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#---------------------------------
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# Wild-type MSA: gene_fasta file
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#---------------------------------
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p1 = ggseqlogo(msaSeq_wt
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#msaSeq_wt$V1
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, facet = "grid"
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, method = msa_method
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, col_scheme = my_logo_col
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, seq_type = 'aa')
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# further customisation
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msa_wt_logo_P = p1 +
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theme(legend.position = "none"
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, legend.direction = leg_dir
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#, legend.title = element_blank()
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, legend.title = element_text(size = leg_tts
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, colour = ytt_col)
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, legend.text = element_text(size = leg_ts)
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, axis.text.x = element_text(size = x_ats
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, angle = x_tangle
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, hjust = 1
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, vjust = 0.4
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, colour = xfont_bgc)
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, axis.text.y = element_blank()
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, axis.title.x = element_text(size = x_tts
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, colour = xtt_col)
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, axis.title.y = element_text(size = y_tts
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, colour = ytt_col)
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, plot.background = element_rect(fill = theme_bgc)) +
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ylab("")
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cat('\nDone: msa_wt_logo_P')
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#return(msa_wt_logoP)
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LogoPlotMSAL[['msa_wt_logoP']] <- msa_wt_logo_P
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#=========================================
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# Output
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# Combined plot: logo_MSA
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#=========================================
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cat('\nDone: msa_mut_logoP + msa_wt_logoP')
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# colour scheme: https://rdrr.io/cran/ggseqlogo/src/R/col_schemes.r
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#cat("\nOutput plot:", LogoSNPs_comb, "\n")
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#svg(LogoSNPs_combined, width = 32, height = 10)
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LogoMSA_comb = cowplot::plot_grid(LogoPlotMSAL[['msa_mut_logoP']]
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, LogoPlotMSAL[['msa_wt_logoP']]
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, nrow = 2
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, align = "v"
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, rel_heights = c(3/4, 1/4))
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return(LogoMSA_comb)
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} |