Hi everyone,

I want to calculate GC content of transcripts in the gtf file like this:

chr1 Cufflinks transcript 3 22 1000 + . gene_id "CUFF.23955"; transcript_id 
"CUFF.23955.1"; 
chr1 Cufflinks exon 3 10 1000 + . gene_id "CUFF.23955"; transcript_id 
"CUFF.23955.1"; exon_number "1"; 
chr1 Cufflinks exon 13 18 1000 + . gene_id "CUFF.23955"; transcript_id 
"CUFF.23955.1"; exon_number "2"; 
chr1 Cufflinks exon 20 22 1000 + . gene_id "CUFF.23955"; transcript_id 
"CUFF.23955.1"; exon_number "3"; 

and the genome sequence that transcript comes from is:

>chr1 
GTAGCGTCTCCGACGCGGATATGACCGCACGCTGATGCTCCCAGGGATGAGAGGCGTGCG 

I have to calculate GC content of the transcript after getting the sequence of 
the transcript.
So how can I get the sequence  of the transcript. In this case, it would be 
AGCGTCTC + ACGCGG + TAT, meaning 
the transcript sequence would be AGCGTCTCACGCGGTAT. 

Is it possible in the Galaxy?
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