Recombinant Human Phospholipase C beta 1/PLCB1 protein (GST tag N-Terminus)

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Phospholipase C beta 1 (PLCB1) also known as PLC-β1 or PLCB1 is an enzyme involved in intracellular signal transduction. With a molecular weight of around 150 kDa PLCB1 hydrolyzes phosphatidylinositol 45-bisphosphate (PIP2) into inositol trisphosphate (IP3) and diacylglycerol (DAG). This biochemical activity plays an important role in the release of calcium ions from intracellular stores. PLCB1 is expressed in regions of the brain including the cerebral cortex as well as in other tissues.

Biological function summary

Multiple functions depend on the signaling cascades initiated by PLCB1. It belongs to a larger family of phospholipase C enzymes contributing to the regulation of various neural processes. The enzyme acts within multiprotein complexes that modulate intracellular calcium levels influencing neuronal activity and synaptic transmission. This role implicates PLCB1 in modulating brain functions related to learning and memory.

Pathways

PLCB1 contributes to cellular signaling pathways such as the phosphoinositide signaling pathway and the G protein-coupled receptor (GPCR) pathway. In these pathways PLCB1 interacts with major proteins such as Gαq subunit of G proteins which activates it. These interactions place PLCB1 as a central player in the pathways that help convert extracellular signals into intracellular actions often involving the regulation of secondary messengers like IP3 and DAG.

Researchers associate PLCB1 with neurological and psychiatric conditions including epilepsy and bipolar disorder. Dysregulation in PLCB1 activity links to altered calcium signaling which can affect brain function. Additionally proteins like Gαq and other GPCR pathway elements may either buffer or exacerbate effects arising from PLCB1 anomalies suggesting molecular interdependencies in related disease mechanisms.