Polyclonal Anti-HEXA

Rabbit IgG polyclonal antibody for Beta-hexosaminidase subunit alpha (HEXA) detection. Tested with WB, IHC-P in Human;Mouse;Rat. \n\n

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SPECIFICATIONS

Price

200.00 USD

Catalog Number

PA1787

Size

100ug/vial

Applications

IHC, WB

Reactivities

Hum, Mouse, Rat

Form

Lyophilized

Format

Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg Thimerosal, 0.05mg NaN3.

Gene Id

HEXA

References

1. Akli, S., Chomel, J.-C., Lacorte, J.-M., Bachner, L., Poenaru, A., Poenaru, L. Ten novel mutations in \nthe HEXA gene in non-Jewish Tay-Sachs patients. Hum. Molec. Genet. 2: 61-67, 1993.\n2. Beutler, E., Kuhl, W., Comings, D. Hexosaminidase isozyme in type O Gm2 gangliosidosis \n(Sandhoff-Jatzkewitz disease). Am. J. Hum. Genet. 27: 628-638, 1975.\n3. Chern, C. J., Beutler, E., Kuhl, W., Gilbert, F., Mellman, W. J., Croce, C. M. Characterization of \nheteropolymeric hexosaminidase A in human x mouse hybrid cells. Proc. Nat. Acad. Sci. 73: \n3637-3640, 1976.

Swiss Prot

P06865

Storage Temp

At -20 degree C for one year. After reconstitution, at 4 degree C for one month. It can also be aliquotted and stored frozen at -20 degree C for a longer time.Avoid repeated freezing and thawing.

Additional Info

A synthetic peptide corresponding to a sequence in the middle region of human HEXA, different from the related rat and mouse sequences by one amino acid.

Scientific Background

HEXA(hexosaminidase A (alpha polypeptide)) is an enzyme that in humans is encoded by \nthe HEXA gene. Hexosaminidase A and the cofactor GM2 activator protein catalyze the degradation of \nthe GM2 gangliosides and other molecules containing terminal N-acetyl hexosamines The HEXA gene \nencodes the alpha subunit of hexosaminidase A , a lysosomal enzyme involved in the breakdown of \ngangliosides. The HEXA gene is mapped on 15q23. Even though the alpha and beta subunits of \nhexosaminidase A can both cleave GalNAc residues, only the alpha subunit is able to\nhydrolyze GM2 gangliosides. The alpha subunit contains a key residue, Arg-424, which is essential for \nbinding the N-acetyl-neuramanic residue of GM2 gangliosides. Chimeric constructs were expressed in \nHeLa cells and selected constructs were produced in the baculovirus expression system to determine \ntheir ability to degrade GM2 ganglioside in the presence of GM2 activator protein. Their results allowed \nthem to define 2 noncontiguous sequences in the alpha subunit (amino acids 1-191 and 403-529) which, \nwhen substituted into analogous positions in the beta subunit, conferred activity against the sulfated \nsubstrate.