Fis is an alias for the gene, Long intergenic non-protein coding RNA 1554, in humans. Other names include: Putative uncharacterized protein encoded by LINC01554; Protein FIS; C5orf27; FIS. The encoded protein has an amino acid length of 96 and a mass of 10.9 kDa. This gene shares homology with other species, including: E. coli.