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Cathepsin V Cell Lysate | CTSV cell lysate

Human Cathepsin V HEK293 Overexpression Lysate

Gene Names
CTSV; CTSU; CATL2; CTSL2
Applications
Western Blot
Synonyms
Cathepsin V; Human Cathepsin V HEK293 Overexpression Lysate; Human Cathepsin V/Cathepsin L2/Preproprotein HEK293 Cell Lysate (WB positive control); cathepsin V; Human CATL2 Overexpression Lysate; Human CTSL2 Overexpression Lysate; Human CTSU Overexpression Lysate; Human CTSV Overexpression Lysate; Human MGC125957 Overexpression Lysate; CTSV cell lysate
Ordering
For Research Use Only!
Host
HEK293 Cells
Form/Format
1x Sample Buffer (1x modified RIPA buffer+1x SDS loading buffer).
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
Sequence Positions
328aa
Sequence
Met1-Val334
Applicable Applications for CTSV cell lysate
Western Blot (WB)
Application Notes
WB: Use at an assay dependent dilution.
Species
Human
Recommend Usage
1. Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube.2. Re-dissolve the pellet using 200uL pure water and boil for 2-5 min.
Sequence Construction
A DNA sequence encoding the full length of human cathepsin L2 (NP_001324.2) (Met 1-Val 334) was expressed, with a C-terminal polyhistidine tag.
Preparation Method
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors. Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
Preparation and Storage
Store at 4 degree C for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80 degree C for up to twelve months. Avoid repeated freeze-thaw cycles.
Samples are stable for up to twelve months from date of receipt.
Related Product Information for CTSV cell lysate
Cathepsin V (CTSV), also known as Cathepsin L2, CTSL2, and CATL2, is a member of the peptidase C1 family. It is predominantly expressed in the thymus and testis. Cathepsin V is also expressed in corneal epithelium, and to a lesser extent in conjuctival epithelium and skin. It is a lysosomal cysteine proteinase that may play an important role in corneal physiology. It has about 75% protein sequence identity to murine cathepsin L. The fold of this enzyme is similar to the fold adopted by other members of the papain superfamily of cysteine proteases. Cathepsin V has been recently described as highly homologous to Cathepsin L and exclusively expressed in human thymus and testis. Cathepsin V is the dominant cysteine protease in cortical human thymic epithelial cells, while Cathepsin L and Cathepsin S seem to be restricted to dendritic and macrophage-like cells. Active Cathepsin V in thymic lysosomal preparations was demonstrated by active-site labeling. Recombinant Cathepsin V was capable of converting Ii into CLIP efficiently, suggesting that it is the protease that controls the generation of alphabeta-CLIP complexes in the human thymus. Cathepsin V is the third elastolytic cysteine protease which exhibits the most potent elastase activity yet described among human proteases and that it is present in atherosclerotic plaque specimens. Cathepsin L2 may play a specialized role in the thymus and testis. Expression analysis of cathepsin L2 in human tumors revealed a widespread expression in colorectal and breast carcinomas but not in normal colon or mammary gland or in peritumoral tissues. Cathepsin L2 was also expressed by colorectal and breast cancer cell lines as well as by some tumors of diverse origin, including ovarian and renal carcinomas.

This Human Cathepsin V overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of Cathepsin V protein from the overexpression lysate was verified.
References
Itoh R, et al. (1999) Genomic organization and chromosomal localization of the human cathepsin L2 gene. DNA Res. 6(2): 137-40.Tolosa E, et al. (2003) Cathepsin V is involved in the degradation of invariant chain in human thymus and is overexpressed in myasthenia gravis. J Clin Invest. 112(4): 517-26.Yasuda Y, et al. (2004) Cathepsin V, a novel and potent elastolytic activity expressed in activated macrophages. J Biol Chem. 279(35): 36761-70.Puzer L, et al. (2008) Cathepsin V, but not cathepsins L, B and K, may release angiostatin-like fragments from plasminogen. Biol Chem. 389(2): 195-200.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
37,329 Da
NCBI Official Full Name
cathepsin L2 preproprotein
NCBI Official Synonym Full Names
cathepsin V
NCBI Official Symbol
CTSV
NCBI Official Synonym Symbols
CTSU; CATL2; CTSL2
NCBI Protein Information
cathepsin L2; cathepsin U; cathepsin L2, preproprotein
UniProt Protein Name
Cathepsin L2
UniProt Gene Name
CTSL2
UniProt Synonym Gene Names
CATL2; CTSU; CTSV
UniProt Entry Name
CATL2_HUMAN

NCBI Description

The protein encoded by this gene, a member of the peptidase C1 family, is a lysosomal cysteine proteinase that may play an important role in corneal physiology. This gene is expressed in colorectal and breast carcinomas but not in normal colon, mammary gland, or peritumoral tissues, suggesting a possible role for this gene in tumor processes. Alternatively spliced variants, encoding the same protein, have been identified. [provided by RefSeq, Jan 2011]

Uniprot Description

CTSL2: Cysteine protease. May have an important role in corneal physiology. Belongs to the peptidase C1 family.

Protein type: Protease; Secreted; Secreted, signal peptide; EC 3.4.22.15

Chromosomal Location of Human Ortholog: 9q22.2

Cellular Component: extracellular space; lysosomal lumen; neuron projection; microvillus; apical part of cell; extracellular region; nucleolus; perikaryon; secretory granule; external side of plasma membrane

Molecular Function: protein binding; histone binding; cysteine-type endopeptidase activity; protein complex binding; aminopeptidase activity; kininogen binding; cysteine-type carboxypeptidase activity; peptide binding; cysteine-type peptidase activity

Biological Process: extracellular matrix organization and biogenesis; hair follicle morphogenesis; response to glucocorticoid stimulus; Sertoli cell differentiation; multicellular organismal aging; antigen processing and presentation of exogenous peptide antigen via MHC class II; decidualization; proteolysis; cellular response to starvation; extracellular matrix disassembly; protein autoprocessing; response to glucose stimulus; autophagic cell death; nerve development; spermatogenesis

Research Articles on CTSV

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Product Notes

The CTSV ctsl2 (Catalog #AAA8113451) is a Cell Lysate produced from HEK293 Cells and is intended for research purposes only. The product is available for immediate purchase. The immunogen sequence is 328aa. AAA Biotech's Cathepsin V can be used in a range of immunoassay formats including, but not limited to, Western Blot (WB). WB: Use at an assay dependent dilution. Researchers should empirically determine the suitability of the CTSV ctsl2 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. The amino acid sequence is listed below: Met1-Val33 4. It is sometimes possible for the material contained within the vial of "Cathepsin V, Cell Lysate" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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