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Target intelligence / Profile preview
Tubulin gamma-2 chain (TUBG2)
- Target
- TUBG2
- Molecular classification
- Tubulin family protein, Structural protein, Microtubule nucleation factor, Other
01
Overview
Tubulin gamma-2 chain (TUBG2) is a less common γ-tubulin isoform in vertebrates, part of the highly conserved tubulin family essential for initiating microtubule nucleation. γ-Tubulins, including TUBG2, assemble with specific gamma-tubulin complex proteins (GCPs) to form the γ-tubulin ring complex (γ-TuRC), which templates and organizes microtubule growth critical for mitosis, cell cycle progression, and spatial organization of the cytoskeleton[1][2][3]. While γ-tubulins are central structural proteins, they are not classical therapeutic targets (receptors/enzymes) and are not currently directly drugged in clinical practice. Their function is most notable in centrosomal and spindle pole body microtubule nucleation, and emerging research links γ-tubulin roles to cancer biology, genome stability, and possibly DNA repair[1].
- Other names
- Tubulin gamma-2 chaingamma-2-tubulinTUBG2tubulin gamma 2 chain
02
Biological functions
Microtubule nucleationMitotic spindle formationCell cycle regulationOrganelle positioningIntracellular transportCell division
03
Disease associations
CancerNeurodevelopmental disorders (inferred, as γ-tubulin complexes are essential for cell division and often implicated in cancer biology and some developmental disorders)
04
Safety considerations
Disruption of γ-tubulin (and by extension, TUBG2) function may cause defects in cell division and genome stability, raising theoretical concern of cytotoxicity and possible tumorigenesis if broadly targeted
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