MARCH4 is a symbol for the gene, Zinc finger, CCHC domain containing 16, in humans. Other names include: Zinc finger CCHC domain-containing protein 16; Mammalian retrotransposon-derived protein 4; 42433; Mart4. The encoded protein has an amino acid length of 310 and a mass of 34.7 kDa. Other isoforms may exist. This gene shares homology with other species, including: Frog.