Pore-forming subunit of Ca(2+) homeostasis modulator channels. Mediates ATP release from astrocytes and ATP-induced Ca(2+) influx in microglia thus regulating neuronal ATP and Ca(2+) homeostasis, synaptic transmission and neuroinflammatory response. May form intercellular gap junctions. The gating mechanism remains unknown.
Belongs to the CALHM family.
Placenta.
FAM26B, CALHM2, Calcium homeostasis modulator protein 2, Protein FAM26B
Proteins
36175Da
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