The general feature format (gene-finding format, generic feature format, GFF) is a file format used for describing genes and other features of DNA, RNA and protein sequences. The filename extension associated with such files is .GFF
.
There are two versions of the GFF file format in general use:
- General Feature Format Version 2 (Sanger Institute)
- Generic Feature Format Version 3 (Sequence Ontology Project)
Servers that generate this format:
Server | Example file |
---|---|
Expasy |
Clients that use this format:
Name | Description | Links |
---|---|---|
GBrowse | GMOD genome viewer | GBrowse |
IGB | Integrated Genome Browser | Integrated Genome Browser |
Jalview | A multiple sequence alignment editor & viewer | Jalview |
STRAP | Underlining sequence features in multiple alignments. Example output: |
Read more about General Feature Format: GFF Versions, Validation
Famous quotes containing the words general and/or feature:
“There is absolutely no evidencedevelopmental or otherwiseto support separating twins in school as a general policy. . . . The best policy seems to be no policy at all, which means that each year, you and your children need to decide what will work best for you.”
—Pamela Patrick Novotny (20th century)
“With men he can be rational and unaffected, but when he has ladies to please, every feature works.”
—Jane Austen (17751817)