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Target intelligence / Profile preview
Immunoglobulin G-type B-cell Receptor Heavy Chain (IgG BCR heavy chain)
- Target
- IgG BCR heavy chain
- Molecular classification
- Receptor, Immunoglobulin, B-cell receptor component
01
Overview
The Immunoglobulin G-type B-cell receptor heavy chain is a key component of the B-cell receptor (BCR) complex found on the surface of memory B cells. This molecule is a membrane-bound form of immunoglobulin G (IgG), which, together with associated signaling proteins, enables B cells to recognize specific antigens and initiate immune responses. Upon antigen engagement, it initiates intracellular signaling cascades and triggers internalization and processing of bound antigens for presentation to helper T cells. Memory B cells expressing this receptor can rapidly respond to previously encountered antigens with accelerated and high-titer antibody production. Defects can result in immunodeficiencies.
02
Mechanism of action
N/A
03
Biological functions
Antigen recognitionB-cell activationSignal transductionImmune responseClonal expansionDifferentiation into plasma cells
04
Disease associations
ImmunodeficiencyInfection
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