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Dppa4 | Developmental pluripotency-associated protein 4; May be involved in the maintenance of active epigenetic status of target genes. May inhibit differentiation of embryonic stem (ES) cells into a primitive ectoderm lineage. (296 aa) | ||||
Laptm4b | Lysosomal-associated transmembrane protein 4B; Required for optimal lysosomal function. Blocks EGF- stimulated EGFR intraluminal sorting and degradation. Conversely by binding with the phosphatidylinositol 4,5-bisphosphate, regulates its PIP5K1C interaction, inhibits HGS ubiquitination and relieves LAPTM4B inhibition of EGFR degradation. Recruits SLC3A2 and SLC7A5 (the Leu transporter) to the lysosome, promoting entry of leucine and other essential amino acid (EAA) into the lysosome, stimulating activation of proton-transporting vacuolar (V)-ATPase protein pump (V-ATPase) and hence mTO [...] (227 aa) |