Lysosomal Protein Transmembrane 5, or, LAPTM5, is a human gene. Other names include: Lysosomal-associated transmembrane protein 5; Lysosomal-associated multitransmembrane protein 5; Retinoic acid-inducible E3 protein; CLAST6. The encoded protein has an amino acid length of 262 and a mass of 29.9 kDa. Lysosomal Protein Transmembrane 5 is a member of the LAPTM4/LAPTM5 transporter family. This gene shares homology with other species, including: Rat, Frog, Chicken.