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Key Documents

HPA011897

Sigma-Aldrich

Anti-SI antibody produced in rabbit

enhanced validation

Prestige Antibodies® Powered by Atlas Antibodies, affinity isolated antibody, buffered aqueous glycerol solution

Sinónimos:

Anti-Sucrase-isomaltase, intestinal

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About This Item

UNSPSC Code:
12352203
Human Protein Atlas Number:
NACRES:
NA.41

biological source

rabbit

Quality Level

conjugate

unconjugated

antibody form

affinity isolated antibody

antibody product type

primary antibodies

clone

polyclonal

product line

Prestige Antibodies® Powered by Atlas Antibodies

form

buffered aqueous glycerol solution

species reactivity

human

enhanced validation

orthogonal RNAseq
Learn more about Antibody Enhanced Validation

technique(s)

immunohistochemistry: 1:200-1:500
western blot: 0.04-0.4 μg/mL

immunogen sequence

PAVDEISDSTSTPATTRVTTNPSDSGKCPNVLNDPVNVRINCIPEQFPTEGICAQRGCCWRPWNDSLIPWCFFVDNHGYNVQDMTTTSIGVEAKLNRIPSPTLFGNDINSVLFTTQNQTPNRFRFKITDPNNRRYEVPHQYV

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... SI(6476)

General description

SI (Sucrase-isomaltase, a-glucosidase) is a small intestinal molecule of the glycoside hydrolase 31 family (GH31) consisting of duplicated catalytic domains, N- and C-terminal and a narrow hydrophobic +1 subsite for substrate specificity. The two domains are connected through the small intestinal brush-border membrane via an O-glycosylated stalk stemming from the N-terminal domain.

Immunogen

Sucrase-isomaltase, intestinal recombinant protein epitope signature tag (PrEST)

Application

Anti-SI antibody produced in rabbit, a Prestige Antibody, is developed and validated by the Human Protein Atlas (HPA) project . Each antibody is tested by immunohistochemistry against hundreds of normal and disease tissues. These images can be viewed on the Human Protein Atlas (HPA) site by clicking on the Image Gallery link. The antibodies are also tested using immunofluorescence and western blotting. To view these protocols and other useful information about Prestige Antibodies and the HPA, visit sigma.com/prestige.

Biochem/physiol Actions

SI (Sucrase-isomaltase, α-glucosidase) is mainly involved in the breakdown of dietary starches and sugars into glucose. In carbohydrate digestion, it essentially hydrolyzes the mixture of linear α-1,4- and branched α-1,6-oligosaccharide substrates. HNF (hepatocyte nuclear factor )-1α and HNF-1β suppresses the SI gene expression as well as its activity. Mutations in the SI gene cause SI congenital sucrase-isomaltase deficiency.

Features and Benefits

Prestige Antibodies® are highly characterized and extensively validated antibodies with the added benefit of all available characterization data for each target being accessible via the Human Protein Atlas portal linked just below the product name at the top of this page. The uniqueness and low cross-reactivity of the Prestige Antibodies® to other proteins are due to a thorough selection of antigen regions, affinity purification, and stringent selection. Prestige antigen controls are available for every corresponding Prestige Antibody and can be found in the linkage section.

Every Prestige Antibody is tested in the following ways:
  • IHC tissue array of 44 normal human tissues and 20 of the most common cancer type tissues.
  • Protein array of 364 human recombinant protein fragments.

Linkage

Corresponding Antigen APREST71691

Physical form

Solution in phosphate-buffered saline, pH 7.2, containing 40% glycerol and 0.02% sodium azide

Legal Information

Prestige Antibodies is a registered trademark of Merck KGaA, Darmstadt, Germany

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

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)


Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Visite la Librería de documentos

Akaljot Singh et al.
PloS one, 15(8), e0237885-e0237885 (2020-08-28)
Our group has developed two transplantation models for the engraftment of Human Intestinal Organoids (HIOs): the renal subcapsular space (RSS) and the mesentery each with specific benefits for study. While engraftment at both sites generates laminated intestinal structures, a direct
Sabine Middendorp et al.
Stem cells (Dayton, Ohio), 32(5), 1083-1091 (2014-02-06)
Differentiation and specialization of epithelial cells in the small intestine are regulated in two ways. First, there is differentiation along the crypt-villus axis of the intestinal stem cells into absorptive enterocytes, Paneth, goblet, tuft, enteroendocrine, or M cells, which is
Ning Gu et al.
Journal of nutritional science and vitaminology, 52(2), 105-112 (2006-06-29)
Hepatocyte nuclear factor (HNF)-1alpha and HNF-1beta are concerned in sucrase-isomaltase (SI) gene expression, and directly bind two sites (SIF2, SIF3) of the promoter of the SI gene. However, it is not completely clear that HNF-1alpha and HNF-1beta play a role
Four mutations in the SI gene are responsible for the majority of clinical symptoms of CSID.
Stefanie Uhrich et al.
Journal of pediatric gastroenterology and nutrition, 55 Suppl 2, S34-S35 (2012-11-01)
Nurit Loberman-Nachum et al.
Scientific reports, 9(1), 16163-16163 (2019-11-09)
Celiac disease is provoked by gluten exposure, but the complete pathogenic process in the duodenum and the loss of tolerance to gluten is not well understood. We aimed to define the core celiac transcriptomic signature and pathologic pathways in pre-treatment

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