FCRL1 Protein

FCRL1 Protein Overview

FCRL1 reagents

Receptors for the Fc fragment of IgG, or FCGRs (see 146790), are cell surface glycoproteins of the Ig superfamily (IgSF). These receptors mediate phagocytosis of IgG-coated pathogens and promote activation of effector cells, leading to inflammatory responses and antibody-mediated cellular cytotoxicity. All FCGR genes map to human chromosome 1. Additional genes in this region, including FREB, encode FCGR homologs that are selectively expressed in B cells and may be implicated in B-cell development and lymphomagenesis.

FCRL1 protein name

Recommended name
Fc receptor-like protein 1
Short name
FcR-like protein 1||FcRL1||FcRH1||hIFGP1
Alternative name
Fc receptor homolog 1 IFGP family protein 1 Immune receptor translocation-associated protein 5 CD_antigen: CD307a

FCRL1 Gene family protein

FCRL1 Protein Sequence

Species Human FCRL1 protein
Length 429
Mass (Da) 46936
Sequence Human FCRL1 protein sequence
Species Mouse FCRL1 protein
Length 343
Mass (Da) 37277
Sequence Mouse FCRL1 protein sequence
Mass (Da)

FCRL1 Protein Molecular Weight & PI

Fc receptor-like protein 1 precursor (FcR-like protein 1) (FcRL1) (Fc receptor homolog 1) (FcRH1) (IFGP family protein 1) (hIFGP1) (Immune receptor translocation-associated protein 5) (CD307a antigen) Homo sapiens (Human).

The parameters have been computed for the following feature

FT CHAIN 17-429 Fc receptor-like protein 1.

Molecular weight (Da)


Theoretical pI


FCRL1 Protein Interaction

Recombinant FCRL1 Protein Feature

FCRL1 Protein, Human, Recombinant (His Tag)

High Purity
> 98 % as determined by SDS-PAGE
Low Endotoxin
< 1.0 EU per μg of the protein as determined by the LAL method

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