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APBB1 (Amyloid beta A4 Precursor Protein-Binding, Family B, Member 1, Fe65, MGC:9072, RIR, Adaptor Protein FE65a2, Stat-like Protein)

APBB1 (Amyloid beta A4 Precursor Protein-Binding, Family B, Member 1, Fe65, MGC:9072, RIR, Adaptor Protein FE65a2, Stat-like Protein)

Cat no: A2275-71Q

Supplier: United States Biological
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The protein encoded by this gene is a member of the Fe65 protein family. It is an adaptor protein localized in the nucleus. It interacts with the Alzheimer's disease amyloid precursor protein (APP), transcription factor CP2/LSF/LBP1 and the low-density lipoprotein receptor-related protein. APP functions as a cytosolic anchoring site that can prevent the gene product's nuclear translocation. This encoded protein could play an important role in the pathogenesis of Alzheimer's disease. It is thought to regulate transcription. Also it is observed to block cell cycle progression by downregulating thymidylate synthase expression. Multiple alternatively spliced transcript variants have been described for this gene but some of their full length sequence is not known. FE65 is a signaling adaptor of APP protein. The FE65/APP complex was shown to translocate into the cell nucleus and regulate gene expression. Genetic studies in mice validated FE65-APP interaction and molecular studies provided evidence on the role of the complex in abnormal signaling detected in brains of Alzheimer Disease patients. Applications: Suitable for use in ELISA and Western Blot. Other applications not tested. Recommended Dilution: ELISA: 1:128,000 Western Blot: 0.1-0.3microg/ml Optimal dilutions to be determined by the researcher. Storage and Stability: May be stored at 4 degrees C for short-term only. For long-term storage and to avoid repeated freezing and thawing, aliquot and store at -20 degrees C. Aliquots are stable for at least 12 months at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Catalogue number: A2275-71Q
Reactivities: Human
Hosts: Goat
Applications: ELISA, Western Blot
Size: 100ug
Form: Supplied as a liquid in Tris-saline, pH 7.2, 0.5% BSA, 0.02% sodium azide.
P type: Pab
Purity: Purified by immunoaffinity chromatography.
References: 1. Hoe HS, Magill LA, Guenette S, Fu Z, Vicini S, Rebeck GW. FE65 Interaction with the apoE receptor ApoEr2. J Biol Chem. 2006 Apr 25; [Epub ahead of print]
Additional info: Recognizes APBB1 at ~100kD in lysates of NIH/3T3 and HeLa (calculated MW of 77.2kD according to NP_001155.1 and 77.0kD according to NP_663722.1). The observed molecular weight corresponds to earlier findings in literature with different antibodies (Zambrano et al, J Biol Chem. 1998 Aug 7;273(32):20128-33.; PMID: 9685356).

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