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Key Documents

HPA022008

Sigma-Aldrich

Anti-SPAG5 antibody produced in rabbit

enhanced validation

Prestige Antibodies® Powered by Atlas Antibodies, affinity isolated antibody, buffered aqueous glycerol solution, Ab1

Synonym(s):

Anti-Astrin, Anti-Deepest, Anti-MAP126, Anti-Mitotic spindle-associated protein p126, Anti-Sperm-associated antigen 5

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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

recombinant expression
Learn more about Antibody Enhanced Validation

technique(s)

immunoblotting: 0.04-0.4 μg/mL
immunohistochemistry: 1:500-1:1000

immunogen sequence

DTVENLTAKLASTIADNQEQDLEKTRQYSQKLGLLTEQLQSLTLFLQTKLKEKTEQETLLLSTACPPTQEHPLPNDRTFLGSILTAVADEEPESTPVPLLGSDKSAFTRVASMVSL

UniProt accession no.

shipped in

wet ice

storage temp.

−20°C

target post-translational modification

unmodified

Gene Information

human ... SPAG5(10615)

General description

SPAG5 (Sperm associated antigen 5) is a mitotic microtubule-associated protein highly expressed in testis of pachytene spermatocytes.

Immunogen

Sperm-associated antigen 5 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

SPAG5 (Sperm associated antigen 5) plays a vital role in the mitosis and cell cycle regulation by controlling the formation and organization of microtubule, checkpoint regulation during cell division. It acts as a regulator and binds to the spindle during separation of sister chromatids. It has also been reported that similar to other cell cycle-related proteins, it is also involved in DNA damage repair. It has been suggested that overexpression of SPAG5 may indicate a pathogenic role in testicular development of patients with Down′s syndrome and cryptorchidism.

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 APREST75531

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


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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Moustafa Abdalla et al.
Nature communications, 8(1), 1245-1245 (2017-11-03)
Almost all genomic studies of breast cancer have focused on well-established tumours because it is technically challenging to study the earliest mutational events occurring in human breast epithelial cells. To address this we created a unique dataset of epithelial samples
Qing Li et al.
Journal of clinical laboratory analysis, 35(7), e23853-e23853 (2021-06-01)
Gefitinib is an epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI), clinically used to treat patients with non-small cell lung cancer driven by EGFR mutations. Unfortunately, EGFR-TKI resistance has become a clinical problem for the effective treatment of NSCLC patients.
Michele Salemi et al.
Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 34(4), 549-551 (2012-07-10)
Men with Down's syndrome (DS) have an increased risk of cryptorchidism, but the mechanisms causing its onset are not clear. Cryptorchidism causes a primary testiculopathy responsible for infertility. SPAG5 mRNA is predominantly expressed in testis in pachytene spermatocytes. This observation
Jakob T Zipprich et al.
RNA (New York, N.Y.), 15(5), 781-793 (2009-03-24)
Proteins of the GW182 family play an important role in the execution of microRNA repression in metazoa. They interact directly with Argonaute proteins, components of microRNPs, and also form part of P-bodies, structures implicated in translational repression and mRNA degradation.

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