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MAB3750 | Anti-LEF-1 Antibody, all isoforms, clone 1C3.1D10

100 µg  
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      Key Specifications Table

      Species ReactivityKey ApplicationsHostFormatAntibody Type
      H WB M Purified Monoclonal Antibody
      Catalogue NumberMAB3750
      Brand Family Chemicon®
      Trade Name
      • Chemicon
      DescriptionAnti-LEF-1 Antibody, all isoforms, clone 1C3.1D10
      Alternate Names
      • Lymphoid Enhancer Factor 1
      Background InformationLymphoid Enhancer Factor-1 (LEF-1) is an HMG 1/2-like DNA binding/bending protein and is a member of the LEF/TCF transcription factor family. There are four LEF/TCF family members in mammalian systems (LEF-1, TCF-1, TCF-3 and TCF-4), and orthologs to these factors have been identified in many different species. LEF/TCFs are downstream mediators of Wnt/Wingless signals. Wnt signaling drives cell polarity, cell fate and cell growth decisions in embryonic tissues and in post-natal tissues that continue to develop from mitotically active stem cell precursors. Misregulation of Wnt signaling is also implicated as a root cause of many different cancers, such as colon cancer, melanoma, breast cancer, prostate cancer and others. This antibody recognizes an epitope in amino acids 256-308 of LEF-1. This region is between the transactivation domain and the HMG binding domain of LEF-1 and is conserved in all LEF-1 isoforms.
      Product Information
      • Jurkat cell lysate and human colon adenocarcinoma tissue
      PresentationPurified immunoglobulin. Provided as solution in phosphate buffered saline with 0.08% sodium azide.
      ApplicationAnti-LEF-1 Antibody, all isoforms, clone 1C3.1D10 is an antibody against LEF-1 for use in WB.
      Key Applications
      • Western Blotting
      Application NotesWestern blot

      Optimal working dilutions must be determined by end user.
      Biological Information
      ImmunogenRecombinant full length LEF-1 protein.
      Epitopeall isoforms
      ConcentrationPlease refer to the Certificate of Analysis for the lot-specific concentration.
      SpecificityRecognizes human LEF-1 (Lymphoid Enhancer Factor-1) protein. Does not cross-react with TCF-1 or TCF-4.
      Species Reactivity
      • Human
      Antibody TypeMonoclonal Antibody
      Entrez Gene Number
      Entrez Gene SummaryLymphoid enhancer-binding factor-1 (LEF1) is a 48-kD nuclear protein that is expressed in pre-B and T cells. It binds to a functionally important site in the T-cell receptor-alpha (TCRA; MIM 186880) enhancer and confers maximal enhancer activity. LEF1 belongs to a family of regulatory proteins that share homology with high mobility group protein-1 (HMG1; MIM 163905).[supplied by OMIM]
      Gene Symbol
      • LEF1
      • LEF-1
      • TCF1-alpha
      • TCF1ALPHA
      • DKFZp586H0919
      UniProt Number
      UniProt SummaryFUNCTION: SwissProt: Q9UJU2 # Participates in the Wnt signaling pathway. Activates transcription of target genes in the presence of CTNNB1 and EP300. May play a role in hair cell differentiation and follicle morphogenesis. TLE1, TLE2, TLE3 and TLE4 repress transactivation mediated by LEF1 and CTNNB1. Regulates T-cell receptor alpha enhancer function. Binds DNA in a sequence-specific manner. PIAG antagonizes both Wnt-dependent and Wnt-independent activation by LEF1 (By similarity). Isoform 3 lacks the CTNNB1 interaction domain and may be an antagonist for Wnt signaling.
      SIZE: 399 amino acids; 44201 Da
      SUBUNIT: Binds the armadillo repeat of CTNNB1 and forms a stable complex. Interacts with EP300, TLE1 and PIASG (By similarity). Binds THOC4, MDFI and MDFIC.
      SUBCELLULAR LOCATION: Nucleus (By similarity). Note=Found in nuclear bodies upon PIASG binding (By similarity).
      TISSUE SPECIFICITY: Detected in thymus. Not detected in normal colon, but highly expressed in colon cancer biopsies and colon cancer cell lines.DOMAIN:SwissProt: Q9UJU2 Proline-rich and acidic regions are implicated in the activation functions of RNA polymerase II transcription factors.
      SIMILARITY: Belongs to the TCF/LEF family. & Contains 1 HMG box DNA-binding domain.
      Stem Cell Type
      • Hematopoietic Stem Cells
      Physicochemical Information
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage ConditionsMaintain at -20°C in undiluted aliquots for up to 12 months from date of receipt. Avoid repeated freeze/thaw cycles.
      Packaging Information
      Material Size100 µg
      Transport Information
      Supplemental Information




      Safety Data Sheet (SDS) 

      Certificates of Analysis

      TitleLot Number


      Reference overviewPub Med ID
      LEF-1, a nuclear factor coordinating signaling inputs from wingless and decapentaplegic.
      Riese, J, et al.
      Cell, 88: 777-87 (1997) 1997

      Show Abstract
      9118221 9118221
      LEF-1 contains an activation domain that stimulates transcription only in a specific context of factor-binding sites.
      Giese, K and Grosschedl, R
      EMBO J., 12: 4667-76 (1993) 1993

      Show Abstract
      8223476 8223476

      Data Sheet

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      Life Science Research > Antibodies and Assays > Primary Antibodies