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RUN domain found in small G protein signaling modulator 2 (SGSM2) and similar proteins SGSM2, also called RUN and TBC1 domain-containing protein 1 (RUTBC1), is a GTPase-activating protein for Rab32/38, and regulates melanogenic enzyme trafficking in melanocytes. It also acts as a Rab9A effector that activates GTP hydrolysis by Rab32 and Rab33B proteins. This model contains the RUN domain of SGSM2.
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