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Cathepsin D (CTSD) Human Cellexp Active Protein

For Research Use Only. Not for use in diagnostic procedures. Catalog #: MBS844250

Background: Cathepsin D is also known as CTSD, CPSD, which belongs to the peptidase A1 family. Cathepsin D can be cleaved into the following 2 chains: cathepsin D light chain and cathepsin D heavy chain, which is expressed in the aorta extracellular space (at… More details

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Product Documentation
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Sample Manual Insert View PDF
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Testing Data View PDF
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Certificate of Analysis (COA) View PDF
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QC Report View PDF
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Material Safety Data Sheet View PDF
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Technical Datasheet View PDF
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Protocol View PDF

Product Overview

Product Name
Cathepsin D (CTSD), Active Protein
Full Product Name
Human CellExp Cathepsin D, human recombinant
Product Gene Name
Product Synonym Names
CTSD; Cathepsin D; CPSD; CLN10
Host
HEK293 cells
Form/Format
Lyophilized from 0.22 mum filtered solution in 50 mM MES, pH 6.5 with 100 mM NaCl. Generally 5-8% Mannitol or trehalose is added as a protectant before lyophilization.
Appearance: Lyophilized
Purity/Purification
>=95%
Preparation and Storage
At -20 degree C
Shelf Life: 12 months
Molecular Weight
This protein is fused with polyhistidine tag at the C-terminus, has a calculated MW of 43.6 kDa. The predicted N-terminus is Ser 19. DTT-reduced Protein migrates as 45-55 kDa due to glycosylation.
OMIM
116840
3D Structure
ModBase 3D Structure for P07339
Active Protein Note
Protein activity can be an ambiguous term. Please refer to the data sheet or inquire with Technical Support to determine the definition of activity for this product.
Solubility/Reconstitution Instructions
Centrifuge the vial prior to opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of 50 ug/ml. Do not vortex. This solution can be stored at 2-8 degree C for up to 1 month. For extended storage, it is recommended to store at -20 degree C.
Endotoxin Level
<1 EU/mug by LAL method
Biological Activity
Measured by its ability to cleave the fluorogenic peptide substrate, Mca-PLGL-Dpa-AR-NH2. The specific activity is >450 pmol/min/ug.
Results
Measured by its ability to cleave the fluorogenic peptide substrate, Mca-PLGL-Dpa-AR-NH2. The specific activity is >450 pmol/min/ug.
Handling
Centrifuge the vial prior to opening.
Applications Tested/Suitable for CTSD active protein
SDS-PAGE

Testing Data of CTSD active protein

Human Cellexp CTSD Active Protein – Cat# MBS844250

Other Notes

Small volumes of CTSD active protein vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

Searchable Terms for CTSD purchase

MBS844250 is an active protein targeting CTSD. Also known as Human CellExp Cathepsin D, human recombinant. Host: HEK293 cells.

Additional Details

NCBI/Uniprot data below describe general gene information for CTSD. It may not necessarily be applicable to this product.

NCBI GI #
NCBI GeneID
NCBI Accession #
UniProt Primary Accession #
UniProt Secondary Accession #
UniProt Related Accession #
GenBank Nucleotide #
NCBI Official Full Name
cathepsin D preproprotein
NCBI Official Synonym Full Names
cathepsin D
NCBI Official Symbol
CTSD
NCBI Official Synonym Symbols
CPSD; CLN10; HEL-S-130P
UniProt Protein Name
Cathepsin D
UniProt Gene Name
CTSD
UniProt Synonym Gene Names
CPSD
UniProt Entry Name
CATD_HUMAN
NCBI Protein Information
cathepsin D

NCBI Summary for CTSD

This gene encodes a lysosomal aspartyl protease composed of a dimer of disulfide-linked heavy and light chains, both produced from a single protein precursor. This proteinase, which is a member of the peptidase C1 family, has a specificity similar to but narrower than that of pepsin A. Transcription of this gene is initiated from several sites, including one which is a start site for an estrogen-regulated transcript. Mutations in this gene are involved in the pathogenesis of several diseases, including breast cancer and possibly Alzheimer disease. [provided by RefSeq, Jul 2008]
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UniProt Comments for CTSD

CTSD: Acid protease active in intracellular protein breakdown. Involved in the pathogenesis of several diseases such as breast cancer and possibly Alzheimer disease. Consists of a light chain and a heavy chain. Belongs to the peptidase A1 family.

Protein type: Protease; Autophagy; Motility/polarity/chemotaxis; EC 3.4.23.5

Chromosomal Location of Human Ortholog: 11p15.5

Cellular Component: extracellular matrix; extracellular space; lysosomal lumen; lysosome; melanosome; extracellular region

Molecular Function: protein binding; aspartic-type endopeptidase activity

Biological Process: collagen catabolic process; extracellular matrix disassembly; extracellular matrix organization and biogenesis; antigen processing and presentation of exogenous peptide antigen via MHC class II; proteolysis

Disease: Ceroid Lipofuscinosis, Neuronal, 10
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Precautions

All of MyBioSource's Products are for scientific laboratory research purposes and are not for diagnostic, therapeutics, prophylactic or in vivo use. Through your purchase, you expressly represent and warrant to MyBioSource that you will properly test and use any Products purchased from MyBioSource in accordance with industry standards. MyBioSource and its authorized distributors reserve the right to refuse to process any order where we reasonably believe that the intended use will fall outside of our acceptable guidelines.

Disclaimer

While every efforts were made to ensure the accuracy of the information provided in this datasheet, MyBioSource will not be liable for any omissions or errors contained herein. MyBioSource reserves the right to make changes to this datasheet at any time without prior notice.

It is the responsibility of the customer to report product performance issues to MyBioSource within 30 days of receipt of the product. Please visit our Terms & Conditions page for more information.

Product Note

Select online data sheet information is drawn from bioinformatics databases, occasionally resulting in ambiguous or non-relevant product information. It is the responsibility of the customer to review, verify, and evaluate the information to make sure it matches their requirements before purchasing the kit. Our ELISA Kit assays are dynamic research tools and sometimes they may be updated and improved. If the format of this assay is important to you then please request the current manual or contact our technical support team with a presales inquiry before placing an order. We will confirm the current details of the assay. We cannot guarantee the sample manual posted online is the most current manual, it is intended to serve as an example only. Please refer to the instructions For Use provided with the assay kit for precise details.

Product PubMed Publications

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