Files ending with .fna.gz, .gbff.gz, .gff.gz, .faa.gz & gpff.gz

Question

[Naresh]

Hi, What you mean by

1. genomic .fna.gz
2. genomic .gbff.gz
3. genomic .gff.gz
4. protein .faa.gz - protein sequences
5. protein .gpff.gz

I tried to know for others, but i could not get any results.

Please guide me

Thanks Naresh

Answer 1

[Michael]

All files are text files, compressed using the linux/unix program gzip, use gunzip, to extract, zcat to write the content without saving it to a file.

The following are conventions, which a lot of people, not all, follow:

• fna = FastA format file containing Nucleotide sequence (DNA)
• gbff = Genbank Genome file containing genome sequence and annotation
• gff = general feature format containing genomic regions, the "genes, transcripts, etc"
• faa = FastA format file containing Amino-acid sequence (Protein, peptide)
• gpff = Genbank Protein file containing protein sequence and annotation

See https://www.ncbi.nlm.nih.gov/genome/doc/ftpfaq/ for more explanation.

[Naresh]

Thank you for your wonderful explanation. Thanks alot.