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H2539

Sigma-Aldrich

Anti-HAP40 antibody produced in rabbit

affinity isolated antibody, buffered aqueous solution

Synonym(s):

Anti-Huntingtin-associated Protein 40kDa

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About This Item

MDL number:
UNSPSC Code:
12352203
NACRES:
NA.41

biological source

rabbit

Quality Level

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

form

buffered aqueous solution

mol wt

antigen ~40 kDa

species reactivity

mouse

technique(s)

western blot: 1:500-1:1,000 using mouse brain

UniProt accession no.

shipped in

dry ice

storage temp.

−20°C

Gene Information

mouse ... F8A1(14070)

General description

Three sequence-identical paralogs of the factor VIII intronic transcript A (F8A) gene codes for huntingtin-associated protein 40 (HAP40) in humans. In amniotes, HAP40 is coded by a single-exon gene (SEG). The F8A or coagulation factor VIII-associated 1 (F8A1) gene is located on human chromosome Xq28.

Immunogen

peptide corresponding to the mouse HAP40 protein (amino acids 314-325).

Application

Co-immunoprecipitates Huntingtin protein.

Biochem/physiol Actions

Huntingtin-associated protein 40 (HAP40) acts as an effector of Ras-related protein 5 (Rab5) It interacts with huntingtin (HTT). HAP40 may participate in the abnormal nuclear localization of mutant huntingtin identified in Huntington′s disease degenerating neurons.

Target description

HAP40 is a 40 kDa Huntingtin-associated protein. It islikely to contribute to the function of normal huntintinand is a candidate for involvement in the aberrantnuclear localization of mutant huntingtin found indegenerating neurons in Huntington′s

Physical form

Solution of 1 mg/mL in phosphate buffered saline containing 0.02% sodium azide.

Disclaimer

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.

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Storage Class Code

10 - Combustible liquids

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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The evolution of the huntingtin-associated protein 40 (HAP40) in conjunction with huntingtin.
Seefelder, et al.
BMC Evolutionary Biology, 20, 162-162 (2021)
M F Peters et al.
The Journal of biological chemistry, 276(5), 3188-3194 (2000-10-18)
Huntington's disease is caused by an expanded CAG trinucleotide repeat coding for a polyglutamine stretch within the huntingtin protein. Currently, the function of normal huntingtin and the mechanism by which expanded huntingtin causes selective neurotoxicity remain unknown. Clues may come

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