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- Table of Contents
Facts about Fc receptor-like protein 3.
Has inhibitory potentional on B-cell receptor (BCR)-mediated signaling, possibly through association with SH2 domain-containing phosphatases. Inhibits cell tyrosine phosphorylation, calcium mobilization and activation-induced cell death induced through BCR signaling (PubMed:19843936).
Human | |
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Gene Name: | FCRL3 |
Uniprot: | Q96P31 |
Entrez: | 115352 |
Belongs to: |
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No superfamily |
CD307c; Fc receptor homolog 3; Fc receptor-like 3; Fc receptor-like protein 3; FcRH3; FCRL3; fcR-like protein 3; hIFGP3; IFGP3; immunoglobulin superfamily receptor translocation associated protein 3; IRTA3; SPAP2
Mass (kDA):
80.856 kDA
Human | |
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Location: | 1q23.1 |
Sequence: | 1; NC_000001.11 (157676481..157700985, complement) |
Primarily expressed in secondary lymphoid tissues by mature subsets of B-cells. Low expression on transitional B cells which increases to higher surface expression on mature and memory B-cells with innate-like features (at protein level) (PubMed:23857366). Expressed a low levels in naive and germinal center B-cells but also expressed in NK cells (at protein level). Expressed in a population of thymically derived natrurally ocurring regulatory T-cells that exhibits a memory phenotype, specialized in suppressing immune response to self-antigens (PubMed:20190142). Detected in spleen, lymph node, peripheral blood lymphocytes, thymus, bone marrow, kidney, salivary gland, adrenal gland and uterus.
Cell membrane; Single-pass type I membrane protein.
PMID: 11493702 by Davis R.S., et al. Identification of a family of Fc receptor homologs with preferential B cell expression.
PMID: 12051764 by Xu M.-J., et al. SPAP2, an Ig family receptor containing both ITIMs and ITAMs.