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產(chǎn)品名稱(chēng)：重組人成纖維細(xì)胞生長(zhǎng)因子19蛋白
產(chǎn)品型號(hào)：rHuFGF-19
產(chǎn)品廠(chǎng)商：KALANG
產(chǎn)品文檔：

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重組人成纖維細(xì)胞生長(zhǎng)因子19蛋白與其它公司提供的重組蛋白不同，rHuFGF-19蛋白產(chǎn)品為采用CFS的無(wú)細(xì)胞麥胚蛋白合成系統(tǒng)表達(dá)出來(lái)的重組蛋白，可表達(dá)出對(duì)細(xì)胞有毒性、易被蛋白酶降解的蛋白；并獲得具有良好的可溶性，并有翻譯后修飾、從而部分具有功能的蛋白.同時(shí)獨(dú)有的全自動(dòng)蛋白純化技術(shù)則簡(jiǎn)便高效，將蛋白純化過(guò)程中對(duì)蛋白的損傷降低到*小程度.重組人成纖維細(xì)胞生長(zhǎng)因子19蛋白（全長(zhǎng)序列）產(chǎn)品可用于Western Blot驗(yàn)證、抗體制備、蛋白檢測(cè)、ELISA等試驗(yàn)中.

詳情介紹：

重組人成纖維細(xì)胞生長(zhǎng)因子19蛋白

Species Human

Accession O95750

GeneID 9965

Source Escherichia coli.

Molecular Weight Approximately 21.8 kDa, a single non-glycosylated polypeptide chain containing 195 amino acids.

Quantity 重組人成纖維細(xì)胞生長(zhǎng)因子19蛋白5μg/25μg/1000μg

AA Sequence MRPLAFSDAG PHVHYGWGDP IRLRHLYTSG PHGLSSCFLR IRADGVVDCA RGQSAHSLLE IKAVALRTVA IKGVHSVRYL CMGADGKMQG LLQYSEEDCA FEEEIRPDGY NVYRSEKHRL PVSLSSAKQR QLYKNRGFLP LSHFLPMLPM VPEEPEDLRG HLESDMFSSP LETDSMDPFG LVTGLEAVRS PSFEK

Purity > 95 % by SDS-PAGE and HPLC analyses.

Biological Activity 重組人成纖維細(xì)胞生長(zhǎng)因子19蛋白Assay #1: Fully biologically active when compared to standard. The biological activity is measured by its binding ability in a functional ELISA. Immobilized rHuFGF R4 at 5 μg/ml can bind rHuFGF-19 with a linear range of 3-200 ng/ml.
Assay #2: Fully biologically active when compared to standard. The ED₅₀ as determined by a cell proliferation assay using murine Balb/c 3T3 cells is less than 150 ng/ml, corresponding to a specific activity of > 6.7 × 10³ IU/mg.

Physical Appearance Sterile Filtered White lyophilized (freeze-dried) powder.

Formulation 重組人成纖維細(xì)胞生長(zhǎng)因子19蛋白Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.

Endotoxin Less than 1 EU/μg of rHuFGF-19 as determined by LAL method.

Reconstitution We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.

Storage This lyophilized preparation is stable at 2-8 °C, but should be kept at -20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles.

重組人成纖維細(xì)胞生長(zhǎng)因子19蛋白

Reference 1. Ladher RK, Anakwe KU, Gurney AL, et al. 2000. Science. 290:1965-7.
2. Tomlinson E, Fu L, John L, et al. 2002. Endocrinology. 143:1741-7.
3. Smallwood PM, Munoz-Sanjuan I, Tong P, et al. 1996. Proc Natl Acad Sci U S A. 93:9850-7.
4. Fu L, John LM, Adams SH, et al. 2004. Endocrinology. 145:2594-603.
5. Kharitonenkov A, Shiyanova TL, Koester A, et al. 2005. J Clin Invest. 115:1627-35.
6. Kurosu H, Kuro OM. 2009. Mol Cell Endocrinol. 299:72-8.
7. Lin BC, Wang M, Blackmore C, et al. 2007. J Biol Chem. 282:27277-84.
8. Kharitonenkov A, Dunbar JD, Bina HA, et al. 2008. J Cell Physiol. 215:1-7.

Background Human FGF-19 is encoded by the FGF19 gene. FGF-19 belongs to the FGF-19 subfamily which has three members FGF-19, 21, 23. FGFs are classically considered to be paracrine factors and are known for their roles in tissue patterning and organogenesis during embryogenesis. By contrast, the FGF-19 subfamily has recently been shown to function in an endocrine manner. Members of this subfamily have poor ability of binding to heparin binding site which is a crucial factor in ligand-receptor complex formation. β-Klotho has been identified as co-factor required for FGF-19, 21, 23 signaling. It can obviously increase ligand-receptor affinity. Unlike most FGFs which bind to and activate more than one FGF receptor, FGF19 is a specific ligand for FGF R4. In FGF-19 transgenic mice, reducing liver triglycerides, increasing fatty acid oxidation, reducing glucose levels and improving insulin sensitivity can be observed.

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Species	Human
Accession	O95750
GeneID	9965
Source	Escherichia coli.
Molecular Weight	Approximately 21.8 kDa, a single non-glycosylated polypeptide chain containing 195 amino acids.
Quantity	重組人成纖維細(xì)胞生長(zhǎng)因子19蛋白5μg/25μg/1000μg
AA Sequence	MRPLAFSDAG PHVHYGWGDP IRLRHLYTSG PHGLSSCFLR IRADGVVDCA RGQSAHSLLE IKAVALRTVA IKGVHSVRYL CMGADGKMQG LLQYSEEDCA FEEEIRPDGY NVYRSEKHRL PVSLSSAKQR QLYKNRGFLP LSHFLPMLPM VPEEPEDLRG HLESDMFSSP LETDSMDPFG LVTGLEAVRS PSFEK
Purity	> 95 % by SDS-PAGE and HPLC analyses.
Biological Activity	重組人成纖維細(xì)胞生長(zhǎng)因子19蛋白Assay #1: Fully biologically active when compared to standard. The biological activity is measured by its binding ability in a functional ELISA. Immobilized rHuFGF R4 at 5 μg/ml can bind rHuFGF-19 with a linear range of 3-200 ng/ml. Assay #2: Fully biologically active when compared to standard. The ED₅₀ as determined by a cell proliferation assay using murine Balb/c 3T3 cells is less than 150 ng/ml, corresponding to a specific activity of > 6.7 × 10³ IU/mg.
Physical Appearance	Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation	重組人成纖維細(xì)胞生長(zhǎng)因子19蛋白Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.
Endotoxin	Less than 1 EU/μg of rHuFGF-19 as determined by LAL method.
Reconstitution	We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.
Storage	This lyophilized preparation is stable at 2-8 °C, but should be kept at -20 °C for long term storage, preferably desiccated. Upon reconstitution, the preparation is stable for up to one week at 2-8 °C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 °C to -70 °C. Avoid repeated freeze/thaw cycles.
重組人成纖維細(xì)胞生長(zhǎng)因子19蛋白
Reference	1. Ladher RK, Anakwe KU, Gurney AL, et al. 2000. Science. 290:1965-7. 2. Tomlinson E, Fu L, John L, et al. 2002. Endocrinology. 143:1741-7. 3. Smallwood PM, Munoz-Sanjuan I, Tong P, et al. 1996. Proc Natl Acad Sci U S A. 93:9850-7. 4. Fu L, John LM, Adams SH, et al. 2004. Endocrinology. 145:2594-603. 5. Kharitonenkov A, Shiyanova TL, Koester A, et al. 2005. J Clin Invest. 115:1627-35. 6. Kurosu H, Kuro OM. 2009. Mol Cell Endocrinol. 299:72-8. 7. Lin BC, Wang M, Blackmore C, et al. 2007. J Biol Chem. 282:27277-84. 8. Kharitonenkov A, Dunbar JD, Bina HA, et al. 2008. J Cell Physiol. 215:1-7.
Background	Human FGF-19 is encoded by the FGF19 gene. FGF-19 belongs to the FGF-19 subfamily which has three members FGF-19, 21, 23. FGFs are classically considered to be paracrine factors and are known for their roles in tissue patterning and organogenesis during embryogenesis. By contrast, the FGF-19 subfamily has recently been shown to function in an endocrine manner. Members of this subfamily have poor ability of binding to heparin binding site which is a crucial factor in ligand-receptor complex formation. β-Klotho has been identified as co-factor required for FGF-19, 21, 23 signaling. It can obviously increase ligand-receptor affinity. Unlike most FGFs which bind to and activate more than one FGF receptor, FGF19 is a specific ligand for FGF R4. In FGF-19 transgenic mice, reducing liver triglycerides, increasing fatty acid oxidation, reducing glucose levels and improving insulin sensitivity can be observed.

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產(chǎn)品名稱(chēng)：重組人成纖維細(xì)胞生長(zhǎng)因子19蛋白