First version of the tRNA detector and of the global organnot.sh script

Former-commit-id: f2a75cf99b24875c90c426c2afb22a75b972bf60
Former-commit-id: 65e3dfb35df06ca69bb29b690c9a40e8940ac6bf
This commit is contained in:
2015-10-11 10:39:59 -03:00
parent 6015339839
commit c32f7cdde6
9 changed files with 175 additions and 133 deletions

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#!/usr/bin/awk -f
function genomeid() {
if (gid=="") {
gid="XXXXXXX";
}
return gid;
}
function trnalib() {
"echo $CAUTRNADB" | getline ref;
return ref
}
function awkPID() {
"bash -c 'echo $PPID'" | getline pid
return pid
}
function tmpName(prefix,suffix) {
return prefix awkPID() suffix
}
function rm(filename) {
system("rm -f " filename);
}
function printfasta(id,seq,filename) {
if (filename=="")
filename = tmpName(id "_",".fasta");
seqlen=length(seq);
print ">" id > filename;
for (i=1; i <= seqlen; i+=60)
print substr(seq,i,60) >> filename;
close(filename);
return filename;
}
function epissage(intron,seq) {
if (intron != "") {
l=length(intron);
intron=substr(intron,2,l-2);
split(intron,intronpos,",");
lseq=length(seq);
lintron2=lseq - intronpos[2] + 1;
seq = substr(seq,1,intronpos[1]) substr(seq,intronpos[2],lintron2);
}
return seq;
}
function patchtRNA(anticodon,trna,seq) {
if (anticodon == "cat") {
file=printfasta(trna "_" anticodon,seq,"");
command= "sumatra -t 0.9 -x -n " file " " trnalib() " 2>> /dev/null";
while ((command | getline output) > 0) {
split(output,field," ");
match(field[2],"trn.M?");
trna=substr(field[2],RSTART,RLENGTH);
n[trna]+=field[5];
}
close(command)
nmax=0;
for (i in n) {
dist=n[i];
if (n[i] > nmax) {
nmax=n[i];
trna=i;
}
}
}
else {
trna="trn" AA1[substr(trna,6,3)];
}
return trna;
}
function gene2product(gene) {
return "tRNA-" AA3[substr(gene,4,1)];
}
function emblTRNA(geneid,trna,loc,anti,intron,seq) {
if (loc ~ /^c/) {
sub("c\\[","complement(",loc);
sub("\\]",")",loc);
sub(",","..",loc)}
else {
sub("\\[","",loc);
sub("\\]","",loc);
sub(",","..",loc)}
anti=toupper(anti);
gsub("T","U",anti);
product=gene2product(trna);
if (intron!="") {
l=length(intron);
intron=substr(intron,2,l-2);
split(intron,intronpos,",");
ib=intronpos[0];
ie=intronpos[1];
match(loc,"[0-9][0-9]*");
gb=substr(loc,RSTART,RLENGTH);
sub("\\.\\.",".." (gb + ib -2) "," (gb + ie) "..",loc); \
sub("complement","complement(join",loc);\
if (substr(loc,1,1) ~ /[0-9]/) {
loc="join("loc}
loc=loc")";
}
print "FT tRNA " loc;
print "FT /gene=\""trna"\"";
print "FT /anticodon=\""anti"\"";
print "FT /product=\""product"("anti")\"";
}
function gffTRNA(geneid,trna,loc,anti,intron,seq) {
if (loc ~ /^c/) {
complement="-";
loc=substr(loc,3,length(loc)-3);
}
else {
complement="+";
loc=substr(loc,2,length(loc)-2);
}
split(loc,pos,",");
anti=toupper(anti);
gsub("T","U",anti);
product=gene2product(trna);
printf("%s\taragorn\tgene\t%d\t%d\t.\t%s\t.\tID=genetrn%d;gbkey=Gene;gene=%s\n",
genomeid(),pos[1],pos[2],complement,geneid,trna);
printf("%s\taragorn\ttRNA\t%d\t%d\t.\t%s\t.\tID=trn%d;parent=genetrn%d;gbkey=tRNA;gene=%s;Note=anticodon: %s;product=%s\n",
genomeid(),pos[1],pos[2],complement,geneid,geneid,trna,anti,product);
if (intron=="") {
printf("%s\taragorn\texon\t%d\t%d\t.\t%s\t.\tID=exontrn%d;parent=trn%d;gbkey=tRNA;gene=%s;Note=anticodon: %s;product=%s\n",
genomeid(),pos[1],pos[2],complement,geneid,geneid,trna,anti,product);
}
else {
l=length(intron);
intron=substr(intron,2,l-2);
split(intron,intronpos,",");
lseq=pos[2]-pos[1]+1;
lintron2=lseq - intronpos[2] + 1;
seq = substr(seq,1,intronpos[1]) substr(seq,intronpos[2],lintron2);
printf("%s\taragorn\texon\t%d\t%d\t.\t%s\t.\tID=exontrn%da;parent=trn%d;gbkey=tRNA;gene=%s;Note=anticodon: %s;product=%s\n",
genomeid(),pos[1],pos[1]+intronpos[1]-2,complement,geneid,geneid,trna,anti,product);
printf("%s\taragorn\tintron\t%d\t%d\t.\t%s\t.\tID=exontrn%di;parent=trn%d;gbkey=intron;gene=%s;Note=anticodon: %s;product=%s\n",
genomeid(),pos[1]+intronpos[1]-1,pos[1]+intronpos[2]-2,complement,geneid,geneid,trna,anti,product);
printf("%s\taragorn\texon\t%d\t%d\t.\t%s\t.\tID=exontrn%db;parent=trn%d;gbkey=tRNA;gene=%s;Note=anticodon: %s;product=%s\n",
genomeid(),pos[1]+intronpos[2]-1,pos[2],complement,geneid,geneid,trna,anti,product);
}
}
BEGIN {
AA1["Ala"]="A";
AA1["Cys"]="C";
AA1["Asp"]="D";
AA1["Glu"]="E";
AA1["Phe"]="F";
AA1["Gly"]="G";
AA1["His"]="H";
AA1["Ile"]="I";
AA1["Lys"]="K";
AA1["Leu"]="L";
AA1["Met"]="M";
AA1["Asn"]="N";
AA1["Pyl"]="O";
AA1["Pro"]="P";
AA1["Gln"]="Q";
AA1["Arg"]="R";
AA1["Ser"]="S";
AA1["Thr"]="T";
AA1["Sec"]="U";
AA1["Val"]="V";
AA1["Trp"]="W";
AA1["Tyr"]="Y";
AA3["A"]="Ala";
AA3["C"]="Cys";
AA3["D"]="Asp";
AA3["E"]="Glu";
AA3["F"]="Phe";
AA3["G"]="Gly";
AA3["H"]="His";
AA3["I"]="Ile";
AA3["K"]="Lys";
AA3["L"]="Leu";
AA3["M"]="Met";
AA3["N"]="Asn";
AA3["O"]="Pyl";
AA3["P"]="Pro";
AA3["Q"]="Gln";
AA3["R"]="Arg";
AA3["S"]="Ser";
AA3["T"]="Thr";
AA3["U"]="Sec";
AA3["V"]="Val";
AA3["W"]="Trp";
AA3["Y"]="Tyr";
AA3["f"]="fMet";
}
/^>/ { id = substr($1,2);
}
/^[0-9]+ +genes found/ \
{ nbgene=$1
}
((geneid != "") && /^[0-9]+/ && ! /genes found/) \
{ seq=epissage(intron,seq);
trna=patchtRNA(anti,trna,seq);
# print geneid,trna,loc,anti,"'"intron"'",seq;
emblTRNA(geneid,trna,loc,anti,intron,seq);
seq=""
}
/^[0-9]+/ && ! /genes found/ \
{ geneid=$1;
trna =$2;
loc =$3;
lseq =$4;
x=$5;
split($5,intron_desc,"i");
anti =substr(intron_desc[1],2,3);
intron=intron_desc[2];
}
/^[^>0-9]/ \
{ seq=seq $1
}
END { seq=epissage(intron,seq);
trna=patchtRNA(anti,trna,seq);
# print geneid,trna,loc,anti,"'"intron"'",seq;
emblTRNA(geneid,trna,loc,anti,intron,seq);
}