extracting first exon and corresponding transcript coordinates for human

Question

[praasu]

I would like to get transcript coordinates and also the corresponding first exon coordinates of the transcripts for human. I could extract the first exon from the GENCODE releases. However, I could not figure out how extract the corresponding transcript coordinates for the same first exon,

Thank you in advance,

Answer 1

[Benn]

You can use biomaRt, here a previous post for metazoan exons. But for human it is also possible. Try the biomaRt manual to figure it out yourself first. If it doesn't work, please add some code of what you have tried.