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AB224786

Recombinant mouse Cathepsin D protein (Active) (His tag C-Terminus)

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Recombinant mouse Cathepsin D protein (Active) (His tag C-Terminus) is a Mouse Full Length protein, in the 21 to 410 aa range, expressed in Baculovirus infected insect cells, with >90%, < 1 EU/µg endotoxin level, suitable for SDS-PAGE, FuncS.

View Alternative Names

Cathepsin D, Ctsd

1 Images
SDS-PAGE - Recombinant mouse Cathepsin D protein (Active) (His tag C-Terminus) (AB224786)
  • SDS-PAGE

Supplier Data

SDS-PAGE - Recombinant mouse Cathepsin D protein (Active) (His tag C-Terminus) (AB224786)

15% SDS-PAGE analysis of 3 μg ab224786.

MW : 40-57 kDa (SDS-PAGE under reducing conditions).

Key facts

Purity

>90% SDS-PAGE

Endotoxin level

< 1 EU/µg

Expression system

Baculovirus infected insect cells

Tags

His tag C-Terminus

Applications

SDS-PAGE, FuncS

applications

Biologically active

Yes

Biological activity

Specific activity is > 1,000 pmol/min/μg in which one unit will convert 1.0 pmole of MCA-PLGL-Dpa-AR-NH2 to MCA-Pro-Leu-OH per minute at pH 3.5 at 25°C.

Accession

P18242

Animal free

No

Carrier free

No

Species

Mouse

Storage buffer

pH: 7.4 Constituents: PBS, 10% Glycerol (glycerin, glycerine)

storage-buffer

Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "SDS-PAGE": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" }, "FuncS": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }

Sequence info

[{"sequence":"IIRIPLRKFTSIRRTMTEVGGSVEDLILKGPITKYSMQSSPKTTEPVSELLKNYLDAQYYGDIGIGTPPQCFTVVFDTGSSNLWVPSIHCKILDIACWVHHKYNSDKSSTYVKNGTSFDIHYGSGSLSGYLSQDTVSVPCKSDQSKARGIKVEKQIFGEATKQPGIVFVAAKFDGILGMGYPHISVNNVLPVFDNLMQQKLVDKNIFSFYLNRDPEGQPGGELMLGGTDSKYYHGELSYLNVTRKAYWQVHMDQLEVGNELTLCKGGCEAIVDTGTSLLVGPVEEVKELQKAIGAVPLIQGEYMIPCEKVSSLPTVYLKLGGKNYELHPDKYILKVSQGGKTICLSGFMGMDIPPPSGPLWILGDVFIGSYYTVFDRDNNRVGFANAVVLLEHHHHHH","proteinLength":"Full Length","predictedMolecularWeight":"44 kDa","actualMolecularWeight":null,"aminoAcidEnd":410,"aminoAcidStart":21,"nature":"Recombinant","expressionSystem":"Baculovirus infected insect cells","accessionNumber":"P18242","tags":[{"tag":"His","terminus":"C-Terminus"}]}]

Properties and storage information

Shipped at conditions
Blue Ice
Appropriate short-term storage duration
1-2 weeks
Appropriate short-term storage conditions
+4°C
Appropriate long-term storage conditions
-20°C
Aliquoting information
Upon delivery aliquot
Storage information
Avoid freeze / thaw cycle
True

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Cathepsin D also known as CTSD is a protein with a mass of approximately 45 kDa. It functions as an aspartyl protease and is expressed in lysosomes across various tissues including the liver and kidneys. This enzyme acts by cleaving peptide bonds within proteins which is essential for protein degradation and turnover. Cathepsin D exists as precursor forms that become activated in the acidic environment of the lysosome. It plays a critical role in normal cellular processes by maintaining protein homeostasis.
Biological function summary

The enzymatic activity of Cathepsin D is important for cellular maintenance and apoptosis. This protease does not act within larger protein complexes but contributes to the degradation of extracellular and intracellular proteins. It mediates processes like antigen processing where it deconstructs proteins into peptides that are presented on major histocompatibility complex (MHC) molecules. ELISA tests can quantify its expression levels sometimes termed as CTSD activity in various biological samples offering insights into its role within cellular environments.

Pathways

Cathepsin D involvement includes the lysosomal degradation pathway and the apoptotic signaling pathway. In the lysosomal degradation pathway Cathepsin D breaks down proteins and peptides a process important for cellular recycling and energy release. It interacts with other lysosomal enzymes such as Cathepsin B in this pathway ensuring comprehensive breakdown of cellular waste. The apoptotic signaling pathway involves the regulation of programmed cell death where Cathepsin D can influence the activation of downstream proteins like Bcl-2 and Bax which control cell survival.

The overexpression of Cathepsin D links to breast cancer and Alzheimer's disease. In breast cancer increased Cathepsin D expression correlates with tumor progression and metastasis influencing tumor behavior through interactions with other proteins involved in cell proliferation. Alzheimer's disease features the involvement of Cathepsin D in the breakdown of amyloid precursor protein which relates to amyloid beta plaque accumulation. The abnormal activity of Cathepsin D in these disorders makes it a potential target for therapeutic antibodies such as CTSD antibodies which aim to regulate its function.

Specifications

Form

Liquid

Additional notes

Affinity purified

General info

Function

Acid protease active in intracellular protein breakdown. Plays a role in APP processing following cleavage and activation by ADAM30 which leads to APP degradation.

Sequence similarities

Belongs to the peptidase A1 family.

Post-translational modifications

N- and O-glycosylated.. Undergoes proteolytic cleavage and activation by ADAM30.

Subcellular localisation

Lysosome

Product protocols

Target data

Acid protease active in intracellular protein breakdown. Plays a role in APP processing following cleavage and activation by ADAM30 which leads to APP degradation.
See full target information Ctsd

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