LRIG1 Antibody - CD BioSciences

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LRIG1 Antibody

LRIG1 Antibody

SPA-07033

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Target Information
Target Name LRIG1
Gene Abbr. LRIG1
Gene ID 26018
Full Name leucine rich repeats and immunoglobulin like domains 1
Alias LIG-1, LIG1
Introduction LRIG1 (leucine-rich repeats and Ig-like domains-1; also LIG-1) is an approximately 134-145 kDa glycoprotein that belongs to the LRIG gene family. It is widely expressed and appears on the surface of prostatic epithelium, endothelial cells, vascular and visceral smooth muscle, mammary epithelium, cardiac muscle, keratinocytes and neurons. LRIG1 is believed to negatively regulate the ErbB family of receptors. In particular, and in a ligand-independent manner, LRIG1 complexes with all four ErbBs, promoting their ubiquitination and decreasing their number. Alternatively, LRIG1 is suggested to bind to the ErbBs, preventing their dimerization and signal transduction. Mature human LRIG1 is a 1059 amino acid (aa) type I transmembrane protein. It contains a large 760 amino acid (aa) extracellular domain (ECD) (aa 35-794) plus a 278 aa cytoplasmic region. The ECD contains 17 LRRs (aa 35‑491) and three C2-type Ig-like domains (aa 495-780). These two domain types are each sufficient for EGFR binding. There are two potential alternative splice forms. One contains a 27 aa insertion after Gly874, while another shows a 24 aa insertion after Lys387 coupled to a Gln substitution for aa 644-691. The LRIG1 ECD undergoes proteolysis, generating 100-110 and 55-60 kDa soluble fragments. Over aa 35‑779, human LRIG1 shares 90% aa sequence identity with mouse LRIG1.
Product Details
Host Goat
Clonality Polyclonal
Clone No. N/A
Isotype IgG
Immunogen Mouse myeloma cell line NS0-derived recombinant mouse LRIG1. Ala37-Thr794. Accession # P70193.
Usage
Application WB, FC, IF
Dilutions Western Blot (2 µg/mL); Flow Cytometry (0.25 µg/10^6 cells); Immunofluorescence (5-15 µg/mL)
Reactivity Mouse
Specificity Detects mouse LRIG1 in direct ELISAs and Western Blots. In direct ELISAs, less than 10% cross-reactivity with recombinant human (rh) LRIG1 is observed and less than 5% cross-reactivity with rhLRIG3 is observed.
Storage & Handling
Storage Buffer Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose.
Preservative No Preservative
Storage Temp. 12 months from date of receipt, -20 to -70 °C as supplied. 1 month, 2 to 8 °C under sterile conditions after reconstitution. 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Handling Use a manual defrost freezer and avoid repeated freeze-thaw cycles.

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