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.\" ========================================================================
.\"
.IX Title "Bio::SeqFeature::Gene::ExonI 3pm"
.TH Bio::SeqFeature::Gene::ExonI 3pm "2020-10-28" "perl v5.30.3" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
Bio::SeqFeature::Gene::ExonI \- Interface for a feature representing an exon
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
See documentation of methods.
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
A feature representing an exon. An exon in this definition is
transcribed and at least for one particular transcript not spliced out
of the pre-mRNA. However, it does not necessarily code for amino acid.
.SH "FEEDBACK"
.IX Header "FEEDBACK"
.SS "Mailing Lists"
.IX Subsection "Mailing Lists"
User feedback is an integral part of the evolution of this
and other Bioperl modules. Send your comments and suggestions preferably
 to one of the Bioperl mailing lists.
Your participation is much appreciated.
.PP
.Vb 2
\&  bioperl\-l@bioperl.org                  \- General discussion
\&  http://bioperl.org/wiki/Mailing_lists  \- About the mailing lists
.Ve
.SS "Support"
.IX Subsection "Support"
Please direct usage questions or support issues to the mailing list:
.PP
\&\fIbioperl\-l@bioperl.org\fR
.PP
rather than to the module maintainer directly. Many experienced and 
reponsive experts will be able look at the problem and quickly 
address it. Please include a thorough description of the problem 
with code and data examples if at all possible.
.SS "Reporting Bugs"
.IX Subsection "Reporting Bugs"
Report bugs to the Bioperl bug tracking system to help us keep track
the bugs and their resolution.  Bug reports can be submitted via the
web:
.PP
.Vb 1
\&  https://github.com/bioperl/bioperl\-live/issues
.Ve
.SH "AUTHOR \- Hilmar Lapp"
.IX Header "AUTHOR - Hilmar Lapp"
Email hlapp@gmx.net
.SH "APPENDIX"
.IX Header "APPENDIX"
The rest of the documentation details each of the object methods.
Internal methods are usually preceded with a _
.SS "is_coding"
.IX Subsection "is_coding"
.Vb 8
\& Title   : is_coding
\& Usage   : if($exon\->is_coding()) {
\&                   # do something
\&           }
\& Function: Whether or not the exon codes for amino acid.
\& Returns : TRUE if the object represents a feature translated into protein,
\&           and FALSE otherwise.
\& Args    :
.Ve
.SS "cds"
.IX Subsection "cds"
.Vb 3
\& Title   : cds()
\& Usage   : $cds = $exon\->cds();
\& Function: Get the coding sequence of the exon as a sequence object.
\&
\&           The returned sequence object must be in frame 0, i.e., the first
\&           base starts a codon.
\&
\&           An implementation may return undef, indicating that a coding
\&           sequence does not exist, e.g. for a UTR (untranslated region).
\&
\& Returns : A L<Bio::PrimarySeqI> implementing object.
\& Args    :
.Ve