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AB307480

Recombinant Human Cathepsin D Protein (His tag) (Active)

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Recombinant Human Cathepsin D Protein (His tag) (Active) is a Human Full Length protein, in the 21 to 412 aa range, with >95%, <0.005 EU/µg endotoxin level, suitable for HPLC, Mass Spec, SDS-PAGE, FuncS.

대체 명칭 보기

CPSD, CTSD, Cathepsin D

4 이미지
Functional Studies - Recombinant Human Cathepsin D Protein (His tag) (Active) (AB307480)
  • FuncS

Supplier Data

Functional Studies - Recombinant Human Cathepsin D Protein (His tag) (Active) (AB307480)

Fully active determined by its ability to cleave fluorogenic peptide substrate Mca-Pro-Leu-Gly-Leu-Dap(Dnp)-Ala-Arg-NH2 (Mca-PLGL-Dap(Dnp)-AR-NH2).   The specific activity is ≥ 500 pmol/min/ug.

Mass Spectrometry - Recombinant Human Cathepsin D Protein (His tag) (Active) (AB307480)
  • Mass Spec

Supplier Data

Mass Spectrometry - Recombinant Human Cathepsin D Protein (His tag) (Active) (AB307480)

Mass determination by ESI-TOF. Predicted MW is 44111.38 Da (+/-10 Da by ESI-TOF). Observed MW is 44114.14 Da.

SDS-PAGE - Recombinant Human Cathepsin D Protein (His tag) (Active) (AB307480)
  • SDS-PAGE

Supplier Data

SDS-PAGE - Recombinant Human Cathepsin D Protein (His tag) (Active) (AB307480)

SDS-PAGE analysis of ab307480

HPLC - Recombinant Human Cathepsin D Protein (His tag) (Active) (AB307480)
  • HPLC

Supplier Data

HPLC - Recombinant Human Cathepsin D Protein (His tag) (Active) (AB307480)

HPLC analysis of ab307480

주요 정보

Purity

>95% HPLC

SDS-PAGE >= 95%

Endotoxin 레벨

<0.005 EU/µg

Tags

His tag C-Terminus

Applications

FuncS, HPLC, Mass Spec, SDS-PAGE

applications

Biologically active

Yes

Biological activity

Fully active determined by its ability to cleave fluorogenic peptide substrate Mca-Pro-Leu-Gly-Leu-Dap(Dnp)-Ala-Arg-NH2 (Mca-PLGL-Dap(Dnp)-AR-NH2).

The specific activity is ≥ 500 pmol/min/ug.

Accession

Animal free

Yes

Carrier free

No

Species

Human

Reconstitution

Reconstitute in PBS

보관 버퍼

pH: 7.4 Constituents: 10.26% Trehalose, 0.727% Dibasic monohydrogen potassium phosphate, 0.248% Potassium phosphate monobasic

storage-buffer

Reactivity 정보

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

서열 정보

[{"linker":null,"sequence":"LVRIPLHKFTSIRRTMSEVGGSVEDLIAKGPVSKYSQAVPAVTEGPIPEVLKNYMDAQYYGEIGIGTPPQCFTVVFDTGSSNLWVPSIHCKLLDIACWIHHKYNSDKSSTYVKNGTSFDIHYGSGSLSGYLSQDTVSVPCQSASSASALGGVKVERQVFGEATKQPGITFIAAKFDGILGMAYPRISVNNVLPVFDNLMQQKLVDQNIFSFYLSRDPDAQPGGELMLGGTDSKYYKGSLSYLNVTRKAYWQVHLDQVEVASGLTLCKEGCEAIVDTGTSLMVGPVDEVRELQKAIGAVPLIQGEYMIPCEKVSTLPAITLKLGGKGYKLSPEDYTLKVSQAGKTLCLSGFMGMDIPPPSGPLWILGDVFIGRYYTVFDRDNNRVGFAEAARL","proteinLength":"Full Length","predictedMolecularWeight":"44.11 kDa","actualMolecularWeight":"44.11 kDa","aminoAcidEnd":412,"aminoAcidStart":21,"nature":"Recombinant","expressionSystem":"HEK 293 cells","accessionNumber":"P07339","tags":[{"tag":"His","terminus":"C-Terminus"}]}]

특성 및 보관 정보

제형
Lyophilized
배송 시 보관 조건
Blue Ice
적절한 단기 보관 조건
Ambient
적절한 장기 보관 조건
Ambient
True

추가 정보

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.

일반 정보

기능

Acid protease active in intracellular protein breakdown. Plays a role in APP processing following cleavage and activation by ADAM30 which leads to APP degradation (PubMed : 27333034). Involved in the pathogenesis of several diseases such as breast cancer and possibly Alzheimer disease.

서열 유사성

Belongs to the peptidase A1 family.

Post-translational modifications

N- and O-glycosylated.. Undergoes proteolytic cleavage and activation by ADAM30.. As well as the major heavy chain which starts at Leu-169, 2 minor forms starting at Gly-170 and Gly-171 have been identified (PubMed:1426530). An additional form starting at Ala-168 has also been identified (PubMed:27333034).

Subcellular localisation

Lysosome

제품 프로토콜

타겟 정보

Acid protease active in intracellular protein breakdown. Plays a role in APP processing following cleavage and activation by ADAM30 which leads to APP degradation (PubMed : 27333034). Involved in the pathogenesis of several diseases such as breast cancer and possibly Alzheimer disease.
See full target information CTSD

Product promise

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