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Noggin Human/重組人Noggin 產(chǎn)品編號(hào)：CYT-475

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Noggin Human/重組人Noggin 產(chǎn)品編號(hào)：CYT-475
產(chǎn)品規(guī)格：5μg/20μg/1mg

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Noggin Human/重組人Noggin

產(chǎn)品編號(hào)：CYT-475
產(chǎn)品規(guī)格：5μg/20μg/1mg
 

Synonyms SYM1, SYNS1, NOG.
Introduction The secreted polypeptide noggin, encoded by the NOG gene, binds and inactivates members of the transforming growth factor-beta （TGF-beta） superfamily signaling proteins, such as bone morphogenetic protein-4 （BMP4）. By diffusing through extracellular matrices more efficiently than members of the TGF-beta superfamily, noggin may have a principal role in creating morphogenic gradients. Noggin appears to have pleiotropic effect, both early in development as well as in later stages. It was originally isolated from Xenopus based on its ability to restore normal dorsal-ventral body axis in embryos that had been artificially ventralized by UV treatment. The results of the mouse knockout of noggin suggest that it is involved in numerous developmental processes, such as neural tube fusion and joint formation. Recently, several dominant human NOG mutations in unrelated families with proximal symphalangism （SYM1） and multiple synostoses syndrome （SYNS1） were identified; both SYM1 and SYNS1 have multiple joint fusion as their principal feature, and map to the same region （17q22） as NOG. All NOG mutations altered evolutionarily conserved amino acid residues. The amino acid sequence of human noggin is highly homologous to that of Xenopus, rat and mouse.
Description Noggin Human Recombinant produced in E.Coli is a non-glycosylated, non-disulfide-linked homodimer consisting of two 206 amino acid polypeptide chains, having a total molecular mass of approximay 46.2 kDa （each chain 23.1 kDa）.
Noggin is purified by proprietary chromatographic techniques.
Source Escherichia Coli.
Physical Appearance Sterile Filtered White lyophilized （freeze-dried） powder.
Formulation Lyophilized from a 0.2μm filtered solution in 30% CH3CN, 0.1% TFA.
Solubility It is recommended to be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in 10mM HAc to a concentration of 0.1-1.0 mg/mL. Further dilutions should be made in appropriate buffered solutions.
Stability Lyophilized Noggin although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Noggin should be stored at 4°C between 2-7 days and for future use below
-18°C.
For long term storage it is recommended to add a carrier protein （0.1% HSA or BSA）.
Please prevent freeze-thaw cycles.
Purity Greater than 95.0% as determined by SDS-PAGE.
Amino acid sequence MQHYLHIRPAPSDNLPLVDLIEHPDPIFDPKEKDLNETLLRSLLGGH
YDPGFMATSPPEDRPGGGGGAAGGAEDLAELDQLLRQRPSGAMPS
EIKGLEFSEGLAQGKKQRLSKKLRRKLQMWLWSQTFCPVLYAWNDL
GSRFWPRYVKVGSCFSKRSCSVPEGMVCKPSKSVHLTVLRWRCQR
RGQRCGWIPIQYPIISECKCSC.
Biological Activity The ED50 was determined by its ability to inhibit 5.0 ng/ml of BMP-4 induced alkaline phosphatase production by ATDC-5 chondrogenic cells. The expected ED50 for this effect is 0.05-0.08 μg/ml of Noggin.
Protein content Protein quantitation was carried out by two independent methods
1. UV spectroscopy at 280 nm using the absorbency value of 1.76 as the extinction coefficient for a 0.1% （1mg/ml） solution. This value is calculated by the PC GENE computer analysis program of protein sequences （InliGenetics）.

2. Analysis by RP-HPLC, using a standard solution of Noggin as a Reference Standard.
Usage ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. They may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.


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