Recombinant Mouse Noggin Protein
产品描述
Noggin is a bone morphogenetic protein (BMP) antagonist expressed in Spemann's organizer. It inhibits TGF-β family ligands and preventing them from binding to their corresponding receptors. Noggin was originally found as a BMP-4 antagonist, and then has been shown to modulate the activities of other BMPs (BMP-2, 7, 13 and 14). Noggin is very highly conserved among vertebrates, such that mature human Noggin shares 99%, 99%, 98%, 97% and 89% aa sequence identity with mouse, rat, bovine, equine and chicken Noggin, respectively. Secreted noggin protein regulates bone morphogenetic protein activity during development. The Role of the BMP Signaling Antagonist Noggin in the Development of Prostate Cancer Osteolytic Bone Metastasis. Lack of expression of the BMP antagonist noggin by osteoinductive, carcinoma-derived cell lines is a determinant of the osteoblast response induced by their bone metastases. In contrast, osteolytic, carcinoma-derived cell lines express noggin constitutively.
产品参数
|
别名（Synonyms） |
NOG, SYM1, symphalangism 1 (proximal), synostoses (multiple) syndrome 1, SYNS1, SYNS1A |
|
Accession |
P97466 |
|
GeneID |
18121 |
|
表达系统（Source） |
E.coli-derived human Noggin protein, Gln28-Cys232, with an N-terminal Met. |
|
分子量大小（Molecular Weight） |
Approximately 46.4 kDa. |
|
氨基酸序列(AA Sequence) |
MQHYLHIRPA PSDNLPLVDL IEHPDPIFDP KEKDLNETLL RSLLGGHYDP GFMATSPPED RPGGGGGPAG GAEDLAELDQ LLRQRPSGAM PSEIKGLEFS EGLAQGKKQR LSKKLRRKLQ MWLWSQTFCP VLYAWNDLGS RFWPRYVKVG SCFSKRSCSV PEGMVCKPSK SVHLTVLRWR CQRRGGQRCG WIPIQYPIIS ECKCSC |
|
标签（Tag） |
None |
|
外观（Physical Appearance） |
Sterile Filtered White lyophilized (freeze-dried) powder. |
|
纯度（Purity） |
>95% by SDS-PAGE and HPLC analyses. |
|
生物活性（Biological Activity） |
The ED50 as determined by inhibiting BMP-4-induced alkaline phosphatase production of murine ATDC5 cells is less than 2 ng/mL, corresponding to a specific activity of > 5.0 × 105 IU/mg in the presence of 5 ng/mL BMP-4. Fully biologically active when compared to standard. |
|
内毒素（Endotoxin） |
< 1.0 EU per 1μg of the protein by the LAL method. |
|
制剂（Formulation） |
Lyophilized from a 0.2 μm filtered concentrated solution in 30% acetonitrile, 0.1% TFA. |
|
复溶（Reconstitution） |
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in 10 mM HAc to a concentration less than 0.25 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20℃. Further dilutions should be made in appropriate buffered solutions. |
储存条件
产品用冰袋装运，可在-20 ℃下保存1年。
复溶后在无菌条件下2至8°C保存1个月。
复溶后在-20°C无菌条件下保存3个月。
建议第一次使用时将蛋白质分成较小的量，并避免反复冻融循环。
注意事项
1.避免反复冻融循环。
2.为了您的安全和健康，请穿实验服，戴一次性手套进行操作。
3.仅供研究使用！
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