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Midkine Active Protein | MDK active protein

Recombinant Human Midkine

Gene Names
MDK; MK; ARAP; NEGF2
Purity
Greater than 95.0% as determined by: (a) Analysis by RP-HPLC. (b) Analysis by SDS-PAGE.
Synonyms
Midkine; Recombinant Human Midkine; Midkine Human; Midkine Human Recombinant; NEGF-2; Neurite Growth-Promoting Factor 2; MK; Neurite outgrowth-promoting protein; Midgestation and kidney protein; Amphiregulin-associated protein; ARAP; Neurite outgrowth-promoting factor 2; FLJ27379; MK1; NEGF2; MDK active protein
Ordering
For Research Use Only!
Host
E Coli
Purity/Purification
Greater than 95.0% as determined by: (a) Analysis by RP-HPLC. (b) Analysis by SDS-PAGE.
Form/Format
Lyophilized from a 0.2 um filtered concentrated solution in 1xPBS, pH 7.4.
Sterile Filtered White lyophilized (freeze-dried) powder.
Sequence
VAKKKDKVKK GGPGSECAEW AWGPCTPSSK DCGVGFREGT CGAQTQRIRC RVPCNWKKEF GADCKYKFEN WGACDGGTGT KVRQGTLKKA RYNAQCQETI RVTKPCTPKT KAKAKAKKGK GKD
Sequence Length
143
Solubility
It is recommended to reconstitute the lyophilized Midkine in sterile 18M-cm H2O not less than 100 ug/ml, which can then be further diluted to other aqueous solutions.
Biological Activity
Determined by its ability to chemoattract human neutrophils using a concentration range of 0.1-10 ng/ml corresponding to a specific activity of 100,000-10,000,000IU/mg.
Preparation and Storage
Lyophilized Midkine although stable at room temperature for 3 weeks, should be stored desiccated below -18 degree C. Upon reconstitution Midkine should be stored at 4 degree C between 2-7 days and for future use below -18 degree C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles.
Related Product Information for MDK active protein
Description: Midkine Human Recombinant produced in E Coli is a single, non-glycosylated polypeptide chain containing 123 amino acids and having a molecular mass of 13.4kDa. The Midkine is purified by proprietary chromatographic techniques.

Introduction: Midkine (MK) is the product of a retinoic acid responsive gene, MK, and is a member of a family of heparin binding factors. It contains 121 amino acid residues including 10 conserved cysteine residues, all of which appear to be disulphide linked.Midkine is expressed during embryogenesis, showing an expression pattern that suggests functions in neurogenesis, cell migration, secondary organogenetic induction, and mesoderm-epithelial interaction.The widespread downregulation of MK in the adult human is reverted in a number of cancers, in which polypeptides are able to act as both transforming growth factors and promoters of angiogenesis.Midkine (MK), induces chemotaxis of human neutrophils and was found to trigger mobilization of intracellular calcium of these cells.Midkine induces histamine release from rat peritoneal mast cells with a rapid response in a dose dependent manner.Midkine is also a potent stimulator of collagen and glycosaminoglycan synthesis.
Product Categories/Family for MDK active protein

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
9,512 Da
NCBI Official Full Name
midkine isoform a
NCBI Official Synonym Full Names
midkine (neurite growth-promoting factor 2)
NCBI Official Symbol
MDK
NCBI Official Synonym Symbols
MK; ARAP; NEGF2
NCBI Protein Information
midkine; amphiregulin-associated protein; midgestation and kidney protein; neurite outgrowth-promoting factor 2; retinoic acid inducible factor
UniProt Protein Name
Midkine
Protein Family
UniProt Gene Name
MDK
UniProt Synonym Gene Names
MK1; NEGF2; MK; ARAP
UniProt Entry Name
MK_HUMAN

NCBI Description

This gene encodes a member of a small family of secreted growth factors that binds heparin and responds to retinoic acid. The encoded protein promotes cell growth, migration, and angiogenesis, in particular during tumorigenesis. This gene has been targeted as a therapeutic for a variety of different disorders. Alternatively spliced transcript variants encoding multiple isoforms have been observed. [provided by RefSeq, Jul 2012]

Uniprot Description

MDK: Developmentally regulated, secreted growth factor homologous to pleiotrophin (PTN), which has heparin binding activity. Binds anaplastic lymphoma kinase (ALK) which induces ALK activation and subsequent phosphorylation of the insulin receptor substrate (IRS1), followed by the activation of mitogen-activated protein kinase (MAPK) and PI3-kinase, and the induction of cell proliferation. Involved in neointima formation after arterial injury, possibly by mediating leukocyte recruitment. Also involved in early fetal adrenal gland development. Belongs to the pleiotrophin family.

Protein type: Secreted, signal peptide; Secreted

Chromosomal Location of Human Ortholog: 11p11.2

Cellular Component: cell projection; cytoplasm; extracellular region

Molecular Function: heparin binding; growth factor activity

Biological Process: response to drug; nervous system development; cell migration; Notch signaling pathway; dentate gyrus development; behavioral fear response; short-term memory; adrenal gland development; cerebellar granular layer development; positive regulation of transcription, DNA-dependent; response to glucocorticoid stimulus; signal transduction; positive regulation of cell division; response to wounding; negative regulation of neuron apoptosis; cerebral cortex development; cell differentiation; defecation; regulation of behavior

Research Articles on MDK

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Product Notes

The MDK mdk (Catalog #AAA145250) is an Active Protein produced from E Coli and is intended for research purposes only. The product is available for immediate purchase. The amino acid sequence is listed below: VAKKKDKVKK GGPGSECAEW AWGPCTPSSK DCGVGFREGT CGAQTQRIRC RVPCNWKKEF GADCKYKFEN WGACDGGTGT KVRQGTLKKA RYNAQCQETI RVTKPCTPKT KAKAKAKKGK GKD. It is sometimes possible for the material contained within the vial of "Midkine, Active 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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