From b42adac3f3ec2336ccb4a161c4445daaf2968b4e Mon Sep 17 00:00:00 2001 From: hyginn Date: Fri, 25 Sep 2020 15:24:51 +1000 Subject: [PATCH] minor updates --- BIN-FUNC-Domain_annotation.R | 66 ++++++++++++++++++++---------------- 1 file changed, 36 insertions(+), 30 deletions(-) diff --git a/BIN-FUNC-Domain_annotation.R b/BIN-FUNC-Domain_annotation.R index e200381..31a9103 100644 --- a/BIN-FUNC-Domain_annotation.R +++ b/BIN-FUNC-Domain_annotation.R @@ -1,20 +1,15 @@ # tocID <- "BIN-FUNC-Domain_annotation.R" # -# ---------------------------------------------------------------------------- # -# PATIENCE ... # -# Do not yet work wih this code. Updates in progress. Thank you. # -# boris.steipe@utoronto.ca # -# ---------------------------------------------------------------------------- # -# # Purpose: A Bioinformatics Course: # R code accompanying the BIN-FUNC-Domain_annotation unit. # -# Version: 1.0 +# Version: 1.1 # -# Date: 2017 11 13 +# Date: 2017-11 - 2020-09 # Author: Boris Steipe (boris.steipe@utoronto.ca) # # Versions: +# 1.1 2020 Updates # 1.0 Live version 2017 # 0.1 First code copied from 2016 material. # @@ -31,16 +26,16 @@ #TOC> ========================================================================== -#TOC> -#TOC> Section Title Line -#TOC> ----------------------------------------------------------------------------------- -#TOC> 1 Update your database script 41 -#TOC> 1.1 Preparing an annotation file ... 47 -#TOC> 1.1.1 If you HAVE NOT done the BIN-ALI-Optimal_sequence_alignment unit 49 -#TOC> 1.1.2 If you HAVE done the BIN-ALI-Optimal_sequence_alignment 93 -#TOC> 1.2 Execute and Validate 119 -#TOC> 2 Plot Annotations 144 -#TOC> +#TOC> +#TOC> Section Title Line +#TOC> --------------------------------------------------------------------- +#TOC> 1 Update your database script 42 +#TOC> 1.1 Preparing an annotation file ... 49 +#TOC> 1.1.1 BEFORE "BIN-ALI-Optimal_sequence_alignment" 52 +#TOC> 1.1.2 AFTER "BIN-ALI-Optimal_sequence_alignment" 97 +#TOC> 1.2 Execute and Validate 124 +#TOC> 2 Plot Annotations 149 +#TOC> #TOC> ========================================================================== @@ -48,12 +43,15 @@ # Since you have recorded domain features at the SMART database, we can store -# the feature annotations in myDB. +# the feature annotations in myDB ... + # == 1.1 Preparing an annotation file ... ================================== + + +# === 1.1.1 BEFORE "BIN-ALI-Optimal_sequence_alignment" # -# === 1.1.1 If you HAVE NOT done the BIN-ALI-Optimal_sequence_alignment unit -# +# IF YOU HAVE NOT YET COMPLETED THE BIN-ALI-OPTIMAL_SEQUENCE_ALIGNMENT UNIT: # # You DON'T already have a file called "-Annotations.json" in the # ./data/ directory: @@ -96,10 +94,11 @@ # Then SKIP the next section. # # -# === 1.1.2 If you HAVE done the BIN-ALI-Optimal_sequence_alignment +# === 1.1.2 AFTER "BIN-ALI-Optimal_sequence_alignment" # +# IF YOU HAVE ALREADY COMPLETED THE BIN-ALI-OPTIMAL_SEQUENCE_ALIGNMENT UNIT: # -# You DO already have a file called "-Annotations.json" in the +# You SHOULD have a file called "-Annotations.json" in the # ./data/ directory: # # - Open the file in the RStudio editor. @@ -129,8 +128,8 @@ # source("makeProteinDB.R") # # This should run without errors or warnings. If it doesn't work and you -# can't figure out quickly what's happening, ask on the mailing list for -# help. +# can't figure out quickly what's happening, ask for help on the +# Discussion Board. # # - Confirm # The following commands should retrieve all of the features that have been @@ -150,7 +149,7 @@ myDB$feature$name[ftrIDs] # This should list ALL of your annotated features # = 2 Plot Annotations ==================================================== # In this section we will plot domain annotations as colored rectangles on a -# sequence, as an example for using the R plotting system for generic, data +# sequence, as an example of using the R plotting system for generic, data # driven images. # We need a small utility function that draws the annotation boxes on a @@ -158,10 +157,10 @@ myDB$feature$name[ftrIDs] # This should list ALL of your annotated features # the y value where it should be plotted and the color of the box, and plot a # rectangle using R's rect() function. -drawBox <- function(xStart, xEnd, y, myCol) { +drawBox <- function(xStart, xEnd, y, myCol, DELTA = 0.2) { # Draw a box from xStart to xEnd at y, filled with colour myCol - delta <- 0.1 - rect(xStart, (y - delta), xEnd, (y + delta), + # The height of the box is y +- DELTA + rect(xStart, (y - DELTA), xEnd, (y + DELTA), border = "black", col = myCol) } @@ -228,6 +227,8 @@ yMax <- length(iRows) * 1.1 xMax <- max(nchar(myDB$protein$sequence[iRows])) * 1.1 # longest sequence # plot an empty frame +oPar <- par(mar = c(4.2, 0.1, 3, 0.1)) # save the current plot parameters and + # decrease margins plot(1, 1, xlim = c(-200, xMax + 100), ylim = c(0, yMax), @@ -236,6 +237,7 @@ plot(1, 1, bty = "n", main = "Mbp1 orthologue domain annotations", xlab = "sequence position", + cex.axis = 0.8, ylab="") axis(1, at = seq(0, xMax, by = 100)) myCol <- colorRampPalette(c("#f2003c", "#F0A200", @@ -250,11 +252,12 @@ legend(xMax - 150, 6, cex = 0.7, fill = myCol) - # Finally, iterate over all proteins and call plotProtein() for (i in seq_along(iRows)) { plotProtein(myDB, myDB$protein$name[iRows[i]], i) } +par(oPar) # reset the plot parameters + # The plot shows what is variable and what is constant about the annotations in # a group of related proteins. Your MBP1_MYSPE annotations should appear at the @@ -264,6 +267,9 @@ for (i in seq_along(iRows)) { # Put a copy of the plot into your journal and interpret it with respect # to MBP1_MYSPE, i.e. and note what you learn about MBP1_MYSPE from the plot. +# Task: +# It would be better to align the motif borders, at least approximately (not +# all proteins have all motifs). How would you go about doing that? # [END]