- Tel: 858.663.9055
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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
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Alpha II Spectrin antibody recognizes Spectrin alpha chain, non-erythrocytic 1, also referred to as SPTAN1 antibody and Alpha fodrin antibody, a large cytoskeletal scaffolding protein encoded by the SPTAN1 gene. Spectrin alpha chain, non-erythrocytic 1 is widely expressed in non-erythroid tissues and localizes primarily to the cytoplasm and inner surface of the plasma membrane, where it forms heterodimers with beta spectrin to create a supportive submembranous cytoskeletal network. Alpha II Spectrin Antibody Microarray Validated is developed to detect endogenous SPTAN1 in research applications focused on cytoskeletal organization and membrane integrity.
Alpha II spectrin plays a central role in maintaining cell shape, mechanical stability, and membrane protein distribution. Through assembly into tetrameric spectrin complexes, SPTAN1 links transmembrane proteins to the actin cytoskeleton, regulating membrane architecture and intracellular signaling. The protein is particularly abundant in neurons, where it contributes to axonal stability, synaptic organization, and dendritic structure. It is also present in epithelial and other somatic cell types, reflecting its fundamental role in non-erythroid cellular architecture.
SPTAN1 participates in multiple signaling pathways through interactions with ion channels, adhesion molecules, and regulatory proteins. During apoptosis and cellular injury, Alpha II spectrin undergoes proteolytic cleavage by calpains and caspases, generating characteristic spectrin breakdown products widely studied as markers of cytoskeletal disruption. These cleavage fragments are frequently evaluated in neurodegenerative disease research and traumatic injury models, where spectrin integrity correlates with cellular viability and structural stability.
The SPTAN1 gene is located on chromosome 9q33.2 and encodes a multidomain protein composed of spectrin repeats that mediate dimerization and actin binding. Mutations in SPTAN1 have been associated with neurodevelopmental disorders, including epileptic encephalopathy and related neurological syndromes, underscoring its importance in neuronal development and maintenance. Altered spectrin organization has also been linked to changes in cell motility and tumor progression.
Clone SPTAN1/3507 is a mouse monoclonal antibody evaluated by protein microarray screening to support specificity assessment across a broad panel of recombinant proteins. By targeting Spectrin alpha chain, non-erythrocytic 1, Alpha II Spectrin Antibody Microarray Validated facilitates studies of cytoskeletal architecture, neuronal injury, apoptosis-related proteolysis, and spectrin-mediated signaling pathways.
Optimal dilution of the Alpha II Spectrin antibody should be determined by the researcher.
A portion of amino acids 2351-2475 was used as the immunogen for the Alpha II Spectrin antibody.
Aliquot the Alpha II Spectrin antibody and store frozen at -20oC or colder. Avoid repeated freeze-thaw cycles.
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