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Cytokeratin Fragment Antigen 21-1 (CYFRA21-1) Human Recombinant Protein

For Research Use Only. Not for use in diagnostic procedures. Catalog #: MBS283658

Cytokeratin19 Fragment Antigen 21-1(CYFRA21-1) belongs to a family of 20 related polypeptides that are constituents of the intermediate filaments of epithelial cells. Of these CK19 is the most frequently expressed cytokeratin endometrial cancer.CYFRA21-1 is a… More details

$530 / 0.1 mg +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
Cytokeratin Fragment Antigen 21-1 (CYFRA21-1), Recombinant Protein
Full Product Name
Recombinant Human Cytokeratin Fragment Antigen 21-1 (CYFRA21-1) Protein
Product Synonym Names
K1C19_HUMAN; Keratin,typeIcytoskeletal19; Cytokeratin-19; CK-19; Keratin-19; K19
Sequence
MTSYSYRQSS ATSSFGGLGG GSVRFGPGVA FRAPSIHGGS GGRGVSVSSA RFVSSSSSGG YGGGYGGVLT ASDGLLAGNE KLTMQNLNDR LASYLDKVRA LEAANGELEV KIRDWYQKQG PGPSRDYSHY YTTIQDLRDK ILGATIENSR IVLQIDNARL AADDFRTKFE TEQALRMSVE ADINGLRRVL DELTLARTDL EMQIEGLKEE LAYLKKNHEE EISTLRGQVG GQVSVEVDSA PGTDLAKILS DMRSQYEVMA EQNRKDAEAW FTSRTEELNR EVAGHTEQLQ MSRSEVTDLR RTLQGLEIEL QSQLSMKAAL EDTLAETEAR FGAQLAHIQA LISGIEAQLG DVRADSERQN QEYQRLMDIK SRLEQEIATY RSLLEGQEDH YNNLSASKVL
Host
E Coli
Form/Format
Supplied as a 0.2 um filtered solution of 20mM Tris-Hcl, 15% Trehalose, 50 mM NaCl, 2mM EDTA, 10% Glycerol, 0.05% Tween80, pH 8.0
Purity/Purification
> 90 % as determined by SDS-PAGE.
Concentration
2.14 mg/mL (lot specific)
Preparation and Storage
Store it under sterile conditions at -20°C upon receiving. Recommend to aliquot the protein into smaller quantities for optimal storage. **Avoid repeated freeze-thaw cycles.** The recombinant protein is stable for long term from date of receipt at -20°C / -80°C.
Molecular Weight
Predicted MW: 46.3 kDa
Observed MW: 40-50 kDa
Sequence Positions
1-400
3D Structure
ModBase 3D Structure for P08727
Source
Human
Tag Information
with 6*His tagged.
Protein Residues
With N-Terminal 6*His tagged
Usage
CYFRA21-1 Protein - We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1 mg/mL. We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
ISO Certification
Manufactured in an ISO 9001:2015 Certified Laboratory.

Other Notes

Small volumes of CYFRA21-1 recombinant 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 CYFRA21-1 purchase

MBS283658 is a recombinant protein targeting CYFRA21-1. Also known as Recombinant Human Cytokeratin Fragment Antigen 21-1 (CYFRA21-1) Protein. Host: E Coli.

Additional Details

NCBI/Uniprot data below describe general gene information for CYFRA21-1. It may not necessarily be applicable to this product.

UniProt Primary Accession #

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.
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