TBC1 domain family member 22B (TBC1D22B)

TBC1 domain family member 22B (TBC1D22B) is a cytoplasmic enzyme that acts primarily as a GTPase-activating protein (GAP) for Rab family small GTPases, modulating membrane trafficking and vesicular transport[1][3][4][5]. It contains a conserved TBC domain, characteristic of Rab-GAP proteins, and belongs to a large family of TBC domain-containing proteins with at least forty distinct members in humans[1][5]. TBC1D22B has been functionally implicated in the regulation of membrane traffic, particularly through its activity in the Golgi apparatus[4][7][9]. Recent research highlights its potential role in cancer metabolism: expression of TBC1D22B is elevated in triple-negative breast cancer (TNBC) and is causally associated with increased glycolytic activity in cancer cells, suggesting it contributes to the metabolic plasticity of tumors[5]. No direct drug interactions or targeted therapies are known for TBC1D22B at present, but its role as both a metabolic modulator and a prognostic biomarker for glycolytic metabolic status in TNBC makes it a notable candidate for further study in oncology[5].

Other names

C6orf197Chromosome 6 Open Reading Frame 197FLJ20337dJ744I24.2BC045600 (mouse)

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