EFCAB7 Antibody, Biotin conjugated

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Description

Introduction

The EFCAB7 Antibody, Biotin conjugated is a specialized immunological reagent designed for detecting the EFCAB7 protein in research applications. EFCAB7 (EF-Hand Calcium-Binding Domain-Containing Protein 7) is a critical component of the EvC complex, which regulates Hedgehog (Hh) signaling pathways essential for embryonic development and ciliary function . This antibody’s biotin conjugation enhances its utility in assays requiring signal amplification, such as ELISA and Western blotting .

Applications

Assay TypeMechanismCitations
ELISABiotinylated antibody binds to target protein; streptavidin-HRP amplifies signal .
Western BlottingDetects EFCAB7 in lysates; paired with streptavidin-HRP for enhanced sensitivity .
ImmunoprecipitationPurifies EFCAB7-containing complexes using biotin-streptavidin interactions .

Research Findings

4.1. Role in Hedgehog Signaling
EFCAB7 interacts with IQCE to anchor the EVC-EVC2 complex at the base of primary cilia, a critical site for Hh signaling . Depletion of EFCAB7 disrupts this localization, impairing GLI2 activation and mimicking Weyers syndrome phenotypes .

4.2. Genetic Disorders
Homozygous frameshift mutations in EFCAB7 (e.g., c.830delG; p.(Gly277Valfs*5)) have been linked to nonsyndromic postaxial polydactyly, underscoring its role in limb development .

4.3. Ciliary Expression
EFCAB7 localizes to the EvC zone of primary cilia, where it regulates SMO-GLI signaling . Knockout models exhibit auditory defects and reduced ciliary protein levels .

Limitations and Considerations

  • Cross-reactivity: Biotin conjugation may require endogenous biotin blocking in samples (e.g., using kits like Thermo Fisher’s Endogenous Biotin-Blocking Kit) .

  • Application Testing: Cepham Life Sciences’ conjugated antibody is validated for ELISA only, necessitating optimization for other assays .

Product Specs

Buffer
Preservative: 0.03% Proclin 300
Constituents: 50% Glycerol, 0.01M PBS, pH 7.4
Form
Liquid
Lead Time
Typically, we can ship the products within 1-3 business days after receiving your order. Delivery times may vary depending on the purchasing method or location. For specific delivery times, please consult your local distributors.
Synonyms
EF hand calcium binding domain 7 antibody; EF-hand calcium-binding domain-containing protein 7 antibody; Efcab7 antibody; EFCB7_HUMAN antibody; KIAA1799 antibody; RP4-534K7.1 antibody
Target Names
EFCAB7
Uniprot No.

Target Background

Function
EFCAB7 is a component of the EvC complex that positively regulates ciliary Hedgehog (Hh) signaling. It is essential for the localization of the EVC2:EVC subcomplex at the base of primary cilia.
Gene References Into Functions
  1. In a study of Vietnamese families with EvC, two novel nonsense mutations and a partial deletion of EVC/EVC2 were identified. Additionally, a missense mutation of EFCAB7 was found in one family, suggesting it may be a modifier gene in EvC and related disorders. PMID: 26748586
Database Links

HGNC: 29379

OMIM: 617632

KEGG: hsa:84455

STRING: 9606.ENSP00000360129

UniGene: Hs.652324

Subcellular Location
Cell projection, cilium membrane; Peripheral membrane protein; Cytoplasmic side.

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