RNA genes – dark matter of human biology?

I currently hunting some transcripts of unknown function (see below), possibly a RNA gene? while it is difficult to locate any good annotation server. So far I tried RNAz based on a PNAS 2005 paper – another one was RNA Genie. Next step will be the new Gingeras paper that describes even a new class of RNA genes. Finally this may not even be a RNA at all but an alternative leading exon …

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