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Key Documents

HPA021187

Sigma-Aldrich

Anti-HTRA3 antibody produced in rabbit

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

Synonym(s):

Anti-High-temperature requirement factor A3, Anti-Pregnancy-related serine protease, Anti-Probable serine protease HTRA3

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About This Item

UNSPSC Code:
12352203
Human Protein Atlas Number:

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

technique(s)

immunohistochemistry: 1:50-1:200

immunogen sequence

ITRFLTEFQDKQIKDWKKRFIGIRMRTITPSLVDELKASNPDFPEVSSGIYVQEVAPNSPSQRGGIQDGDIIVKVNGRPLVDSSELQEAVLTESPLLLEVRRGNDDLLFSIAP

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... HTRA3(94031)

General description

The gene HTRA3 (high-temperature requirement factor A3) is mapped to human chromosome 4p16.1. It belongs to the HTRA protein family. HTRA3 is strongly expressed in the heart and placenta. The protein contains an insulin/insulin-like growth factor binding domain, a Kazal-type S protease-inhibitor domain, a trypsin protease domain and a PDZ (PSD95, Dlg1, zo-1) domain.

Immunogen

Probable serine protease HTRA3 Precursor recombinant protein epitope signature tag (PrEST)

Application

All Prestige Antibodies Powered by Atlas Antibodies are developed and validated by the Human Protein Atlas (HPA) project and as a result, are supported by the most extensive characterization in the industry.

The Human Protein Atlas project can be subdivided into three efforts: Human Tissue Atlas, Cancer Atlas, and Human Cell Atlas. The antibodies that have been generated in support of the Tissue and Cancer Atlas projects have been tested by immunohistochemistry against hundreds of normal and disease tissues and through the recent efforts of the Human Cell Atlas project, many have been characterized by immunofluorescence to map the human proteome not only at the tissue level but now at the subcellular level. These images and the collection of this vast data set can be viewed on the Human Protein Atlas (HPA) site by clicking on the Image Gallery link. We also provide Prestige Antibodies® protocols and other useful information.

Biochem/physiol Actions

HTRA3 (high-temperature requirement factor A3) is an active serine protease. During placental development, it suppresses trophoblast invasion. It also controls ovarian development, differentiation of granulosa cell and luteinisation. Abnormal expression of HTRA3 is linked with preeclampsia. It is down-regulated in high grade endometrial cancer.

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 APREST74001

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 Code

10 - Combustible liquids

WGK

WGK 1

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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Kemperly Dynon et al.
PloS one, 7(9), e45956-e45956 (2012-10-11)
Mammalian HtrA3 (high temperature requirement A3) is a serine protease of the HtrA family. It has two isoforms [long (HtrA3-L) and short (HtrA3-S)] and is important for placental development and cancer progression. Recently, HtrA3 was identified as a potential diagnostic
Gui-Ying Nie et al.
The Biochemical journal, 371(Pt 1), 39-48 (2003-01-07)
In the present study, we identified an additional member of the human high-temperature requirement factor A (HtrA) protein family, called pregnancy-related serine protease or HtrA3, which was most highly expressed in the heart and placenta. We cloned the full-length sequences
Marissa A Bowden et al.
Gynecologic oncology, 103(1), 253-260 (2006-05-03)
The high temperature requirement factor A (HTRA) family consists of serine proteases with domains homologous to those of bacterial HTRA. Four human HTRA members have been described: HTRA1-4. HTRA1 and HTRA3 share a high degree of domain homologies and may
Clément Crochemore et al.
Nature communications, 10(1), 5576-5576 (2019-12-08)
Cellular senescence has causative links with ageing and age-related diseases, however, it remains unclear if progeroid factors cause senescence in normal cells. Here, we show that depletion of CSB, a protein mutated in progeroid Cockayne syndrome (CS), is the earliest

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