A sequence feature (continuous extent of biological sequence) that is of genomic origin (i.e. carries sequence from the genome of a cell or organism)

This is just here as a test because I lose it

Term information


1. A feature being 'of genomic origin' here means only that its sequence has been located to the genome of some organism by alignment with some reference genome. This is because the sequence was originally identified in, or artificially created to replicate, sequence from an organism's genome. 2. The location of a genomic feature is defined by start and end coordinates based on alignment with a reference genome. Genomic features can span any size from a complete chromosome, to a chromosomal band or region, to a gene, to a single base pair or even junction between base pairs (this would be a sequence feature with an extent of zero). 3. As sequence features, instances of genomic features are identified by both their inherent *sequence* and their *position* in a genome - as determined by an alignment with some reference sequence. Accordingly, the 'ATG' start codon in the coding DNA sequence of the human AKT gene and the 'ATG' start codon in the human SHH gene represent two distinct genomic features despite having he same sequence, in virtue of their different positions in the genome.

editor note

This class was created largely as a modeling convenience to support organizing data for schema definitions. We may consider obsoleting it if it ends up causing confusion or complicating classification of terms in the ontology.