Table 1 POEM Exon Category Summary

F.B.5UTR

First, Beginning, wholly in 5' UTR

The most 5' exon in a gene, which is also the beginning of multiple exons wholly within the 5' UTR.

F.B.T

First, Beginning, wholly in the translated region

The most 5' exon in a gene, which is also the beginning of multiple exons wholly within the translated region.

F.S.5UTR

First, Intronless, wholly in 5' UTR

The most 5' exon in a gene, which is also the only exon in the 5' UTR.

F.S.T

First, Intronless, wholly in the translated region

The most 5' exon in a gene, which is also the only exon in the translated region.

F.TU

First, Translated-Untranslated

The most 5' exon in a gene, which also spans the entire translated region and the 3' CDS boundary.

F.UT

First, Untranslated-Translated

The most 5' exon in a gene, which begins in the 5' UTR and ends in the translated region.

F.UTU

First, Untranslated-Translated-Untranslated

The most 5' exon in a gene, which begins in the 5' UTR and ends in the 3' UTR.

I.B.3UTR

Internal, Beginning, wholly in 3' UTR

A non-terminal exon that is also which is also the beginning of multiple exons wholly within the 3' UTR.

I.B.T

Internal, Beginning, wholly in the translated region

A non-terminal exon that is also which is also the beginning of multiple exons wholly within the translated region.

I.E.5UTR

Internal, End, wholly in 5' UTR

A non-terminal exon that is also which is also the end of multiple exons wholly within the 5' UTR.

I.E.T

Internal, End, wholly in the translated region

A non-terminal exon that is also which is also the end of multiple exons wholly within the translated region.

i.m.3utr

Internal, Middle, wholly in 3' UTR

A non-terminal exon that is also which is surrounded by exons which are wholly in the 3' UTR.

i.m.5utr

Internal, Middle, wholly in 5' UTR

A non-terminal exon that is also which is surrounded by exons which are wholly in the 5' UTR.

i.m.t

Internal, Middle, wholly in the translated region

A non-terminal exon that is also which is surrounded by exons which are wholly in the translated region.

I.S.T

Internal, Intronless, wholly in the translated region

A non-terminal exon that is also which is also the only exon in the translated region.

I.TU

Internal, Translated-Untranslated

A non-terminal exon that is also which begins in the translated region and ends in the 3' UTR.

I.UT

Internal, Untranslated-Translated

A non-terminal exon that is also which begins in the 5' UTR and ends in the translated region.

I.UTU

Internal, Untranslated-Translated-Untranslated

A non-terminal exon that is also which begins in the 5' UTR and ends in the 3' UTR.

L.E.3UTR

Last, End, wholly in 3' UTR

The most 3' exon in a gene, which is also the end of multiple exons wholly within the 3' UTR.

L.E.T

Last, End, wholly in the translated region

The most 3' exon in a gene, which is also the end of multiple exons wholly within the translated region.

L.S.3UTR

Last, Intronless, wholly in 3' UTR

The most 3' exon in a gene, which is also the only exon in the 3' UTR.

L.S.T

Last, Intronless, wholly in the translated region

The most 3' exon in a gene, which is also the only exon in the translated region.

L.TU

Last, Translated-Untranslated

The most 3' exon in a gene, which begins in the translated region and ends in the 3' UTR.

L.UT

Last, Untranslated-Translated

The most 3' exon in a gene, which begins in the 5' UTR and ends in the translated region.

L.UTU

Last, Untranslated-Translated-Untranslated

The most 3' exon in a gene, which begins in the 5' UTR and ends in the 3' UTR.

1.T

Intronless, Translated

An intronless gene exists only in the translated region.

1.TU

Intronless, Translated-Untranslated

An intronless gene which also spans the entire translated region and the 3' CDS boundary.

1.UT

Intronless, Untranslated-Translated

An intronless gene which also spans the 5' CDS boundary and the entire translated region.

1.UTU

Intronless, Untranslated-Translated-Untranslated

An intronless gene which begins in the 5' UTR and ends in the 3' UTR.