MARCH1 is a symbol for the gene, Retrotransposon-like 1, in humans. Other names include: Retrotransposon-like protein 1; Paternally expressed gene 11 protein; Retrotransposon-derived protein PEG11; Mammalian retrotransposon derived protein 1; MART1; PEG11. The encoded protein has an amino acid length of 1358 and a mass of 155.0 kDa. Other isoforms may exist. This gene shares homology with other species, including: Mouse, Arabidopsis, Frog.