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SDS-PAGE

Periostin / POSTN Recombinant Protein | POSTN recombinant protein

Recombinant Human Periostin / POSTN Protein (His tag)

Gene Names
POSTN; PN; OSF2; OSF-2; PDLPOSTN
Purity
> 97 % as determined by SDS-PAGE
Synonyms
Periostin / POSTN; Recombinant Human Periostin / POSTN Protein (His tag); MGC119510; MGC119511; OSF-2; OSF2; PDLPOSTN; PN; RP11-412K4.1; POSTN recombinant protein
Ordering
For Research Use Only!
Host
Human Cells
Purity/Purification
> 97 % as determined by SDS-PAGE
Form/Format
Lyophilized from sterile PBS, pH 7.4
Sequence Length
781
Application Notes
The recombinant human POSTN consists of 771 amino acids and has a predicted molecular mass of 86 kDa. In SDS-PAGE under reducing conditions, it migrates with an apparent molecular mass of 80 kDa due to glycosylation.
Predicted N Terminal
Asn 22
Endotoxin
< 1.0 EU per mug of the protein as determined by the LAL method
Preparation and Storage
Samples are stable for up to twelve months from date of receipt at -70 degree C

SDS-PAGE

SDS-PAGE
Related Product Information for POSTN recombinant protein
Background: Periostin (POSTN), also known as OSF2 (osteoblast specific factor 2), is a heterofunctional secreted extracellular matrix (ECM) protein comprised of four fasciclin domains that promotes cellular adhesion and movement, as well as collagen fibrillogenesis. Postn is expressed in unique growth centers during embryonic development where it facilitates epithelial-mesenchymal transition (EMT) of select cell populations undergoing reorganization. In the adult, Postn expression is specifically induced in areas of tissue injury or areas with ongoing cellular re-organization. In the adult heart Postn is induced in the ventricles following myocardial infarction, pressure overload stimulation, or generalized cardiomyopathy. Although the detailed function of Postn is still unclear, Postn-integrin interaction is thought to be involved in tumor development. Postn is frequently overexpressed in various type s of human cancers, stimulating metastatic growth by promoting cancer cell survival, invasion and angiogenesis, and can be a useful marker to predict the behavior of cancer.

Description: A DNA sequence encoding the human POSTN isoform 3 (NP_001129407.1) corresponding to amino acid (Met 1-Gln 781) was expressed with a C-terminal polyhistidine tag.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
Molecular Weight
80,357 Da
NCBI Official Full Name
periostin isoform 3
NCBI Official Synonym Full Names
periostin
NCBI Official Symbol
POSTN
NCBI Official Synonym Symbols
PN; OSF2; OSF-2; PDLPOSTN
NCBI Protein Information
periostin
UniProt Protein Name
Periostin
Protein Family
UniProt Gene Name
POSTN
UniProt Synonym Gene Names
OSF2; PN; OSF-2

NCBI Description

This gene encodes a secreted extracellular matrix protein that functions in tissue development and regeneration, including wound healing, and ventricular remodeling following myocardial infarction. The encoded protein binds to integrins to support adhesion and migration of epithelial cells. This protein plays a role in cancer stem cell maintenance and metastasis. Mice lacking this gene exhibit cardiac valve disease, and skeletal and dental defects. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Sep 2015]

Uniprot Description

POSTN: Binds to heparin. Induces cell attachment and spreading and plays a role in cell adhesion. May play a role in extracellular matrix mineralization. 4 isoforms of the human protein are produced by alternative splicing.

Protein type: Cell adhesion; Motility/polarity/chemotaxis; Secreted; Secreted, signal peptide

Chromosomal Location of Human Ortholog: 13q13.3

Cellular Component: extracellular matrix; extracellular space; proteinaceous extracellular matrix; trans-Golgi network

Molecular Function: cell adhesion molecule binding; heparin binding; metal ion binding; protein binding

Biological Process: cell adhesion; extracellular matrix organization and biogenesis; skeletal development

Research Articles on POSTN

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Product Notes

The POSTN postn (Catalog #AAA2545152) is a Recombinant Protein produced from Human Cells and is intended for research purposes only. The product is available for immediate purchase. The recombinant human POSTN consists of 771 amino acids and has a predicted molecular mass of 86 kDa. In SDS-PAGE under reducing conditions, it migrates with an apparent molecular mass of 80 kDa due to glycosylation. Researchers should empirically determine the suitability of the POSTN postn 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. It is sometimes possible for the material contained within the vial of "Periostin / POSTN, Recombinant Protein" 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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