|CRELD1 in Mouse Embryo. CRELD1 was detected in immersion fixed frozen sections of mouse embryo (E13.5) using Goat Anti-Mouse CRELD1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4116) at 10 µg/mL overnight at 4 °C. Tissue was stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). Specific staining was localized to the developing heart and is shown at both low (lower panel) and high magnification (upper panel). View our protocol for Fluorescent IHC Staining of Frozen Tissue Sections.|
CRELD1 (cysteine-rich with EGF-like domain protein 1) is an integral membrane protein that functions as a cell adhesion molecule. It is synthesized as a 420 amino acid (aa) precursor with an N-terminal signal peptide, a large extracellular domain (ECD) with two EGF-like repeats that flank two consecutive furin-like repeats, two‑transmembrane domains separated by one cytoplasmic residue, and a short extracellular C-terminal domain. CRELD1 null-mouse fails to develop a normal heart and missense mutations in human CRELD1 have also been associated with atrioventricular septal defects. The N-terminal ECD of mouse CRELD1 shares 97% and 92% aa sequence identity with the ECD of rat and human CRELD1, respectively.
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