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Cystatin B (Stefin B) (CSTB) ELISA Kit for Human

For Research Use Only. Not for use in diagnostic procedures. Catalog #: MBS705920

Principle of the Assay: This assay employs the quantitative sandwich enzyme immunoassay technique. Antibody specific for cystatin-B has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and any cystatin-B present is bound by… More details

$295 / 24-Strip-Wells (LIMIT 1) +1 FREE 8GB USB

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

Online Datasheet in PDF
Product Name
cystatin B (stefin B) (CSTB), ELISA Kit
Full Product Name
Human Cystatin-B, CSTB/CST6/STFB ELISA Kit
Product Gene Name
Product Synonym Names
Human Cystatin-B (CSTB/CST6/STFB) ELISA kit; CST6; EPM1; PME; STFB; CPI-B; cystatin B; liver thiol proteinase inhibitor; stefin B; Human Cystatin-B (CSTB/CST6/STFB)
Species Reactivity
Human
Assay Type
Sandwich
Samples
Serum, plasma, cell culture supernates, urine, saliva, tissue homogenates, Cell lysates
Detection Range
0.313 ng/ml-20 ng/ml
Sensitivity
0.233 ng/ml
Specificity
This assay has high sensitivity and excellent specificity for detection of Human CSTB. No significant cross-reactivity or interference between Human CSTB and analogues was observed.
Preparation and Storage
Unopened test kits should be stored at 2 to 8 degree C upon receipt. Please refer to pdf manual for further storage instructions.
Intra-assay Precision
Intra-assay Precision (Precision within an assay): CV% is less than 8%
Three samples of known concentration were tested twenty times on one plate to assess.
Inter-assay Precision (Precision between assays): CV% is less than 10%
Three samples of known concentration were tested in twenty assays to assess.
Molecular Weight
11,140 Da
OMIM
601145
3D Structure
ModBase 3D Structure for P04080
Detection Wavelength
450 nm
Sample Volume
50-100ul
Protein Biological Process 1
others
ISO Certification
Manufactured in an ISO 9001:2015 Certified Laboratory.

Typical Testing Data/Standard Curve (for reference only) of CSTB elisa kit

Human CSTB ELISA Kit – Cat# MBS705920

Other Notes

Small volumes of CSTB elisa kit 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 CSTB purchase

MBS705920 is a ready-to-use microwell, strip plate ELISA (enzyme-linked immunosorbent assay) Kit for analyzing the presence of the cystatin B (stefin B) (CSTB) ELISA Kit target analytes in biological samples. The concentration gradients of the kit standards or positive controls render a theoretical kit detection range in biological research samples containing CSTB. The ELISA analytical biochemical technique of the MBS705920 kit is based on CSTB antibody-CSTB antigen interactions (immunosorbency) and an HRP colorimetric detection system to detect CSTB antigen targets in samples. The ELISA Kit is designed to detect native, not recombinant, CSTB. Appropriate sample types may include undiluted body fluids and/or tissue homogenates, secretions. Quality control assays assessing reproducibility identified the intra-assay CV (%) and inter-assay CV(%).

Additional Details

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

NCBI GI #
NCBI GeneID
NCBI Accession #
UniProt Primary Accession #
UniProt Related Accession #
GenBank Nucleotide #
NCBI Official Full Name
cystatin-B
NCBI Official Synonym Full Names
cystatin B (stefin B)
NCBI Official Symbol
CSTB
NCBI Official Synonym Symbols
PME; ULD; CST6; EPM1; STFB; EPM1A
UniProt Protein Name
Cystatin-B
UniProt Synonym Protein Names
CPI-B; Liver thiol proteinase inhibitor; Stefin-B
Protein Family
UniProt Gene Name
CSTB
UniProt Synonym Gene Names
CST6; STFB
UniProt Entry Name
CYTB_HUMAN
NCBI Protein Information
cystatin-B; CPI-B; liver thiol proteinase inhibitor

NCBI Summary for CSTB

The cystatin superfamily encompasses proteins that contain multiple cystatin-like sequences. Some of the members are active cysteine protease inhibitors, while others have lost or perhaps never acquired this inhibitory activity. There are three inhibitory families in the superfamily, including the type 1 cystatins (stefins), type 2 cystatins and kininogens. This gene encodes a stefin that functions as an intracellular thiol protease inhibitor. The protein is able to form a dimer stabilized by noncovalent forces, inhibiting papain and cathepsins l, h and b. The protein is thought to play a role in protecting against the proteases leaking from lysosomes. Evidence indicates that mutations in this gene are responsible for the primary defects in patients with progressive myoclonic epilepsy (EPM1). [provided by RefSeq, Jul 2008]
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UniProt Comments for CSTB

Function: This is an intracellular thiol proteinase inhibitor. Tightly binding reversible inhibitor of cathepsins L, H and B.

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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