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產品名稱：重組人色素上皮衍生因子蛋白
產品型號：rHuPEDF
產品廠商：KALANG
產品文檔：

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簡單介紹：

重組人色素上皮衍生因子蛋白與其它公司提供的重組蛋白不同，rHuPEDF蛋白產品為采用CFS的無細胞麥胚蛋白合成系統表達出來的重組蛋白，可表達出對細胞有毒性、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.同時獨有的全自動蛋白純化技術則簡便高效，將蛋白純化過程中對蛋白的損傷降低到*小程度.重組人色素上皮衍生因子蛋白（全長序列）產品可用于Western Blot驗證、抗體制備、蛋白檢測、ELISA等試驗中.

詳情介紹：

重組人色素上皮衍生因子蛋白

Synonyms SerpinF1, EPC-1, Cell proliferation-inducing gene 35 protein

Species Human

Accession P36955

GeneID 5176

Source Escherichia coli.

Molecular Weight 重組人色素上皮衍生因子蛋白Approximately 44.4 KDa, a single non-glycosylated polypeptide chain containing 399 amino acids.

Quantity 5μg/20μg/1000μg

AA Sequence 重組人色素上皮衍生因子蛋白QNPASPPEEG SPDPDSTGAL VEEEDPFFKV PVNKLAAAVS NFGYDLYRVR SSTSPTTNVL LSPLSVATAL SALSLGAEQR TESIIHRALY YDLISSPDIH GTYKELLDTV TAPQKNLKSA SRIVFEKKLR IKSSFVAPLE KSYGTRPRVL TGNPRLDLQE INNWVQAQMK GKLARSTKEI PDEISILLLG VAHFKGQWVT KFDSRKTSLE DFYLDEERTV RVPMMSDPKA VLRYGLDSDL SCKIAQLPLT GSMSIIFFLP LKVTQNLTLI EESLTSEFIH DIDRELKTVQ AVLTVPKLKL SYEGEVTKSL QEMKLQSLFD SPDFSKITGK PIKLTQVEHR AGFEWNEDGA GTTPSPGLQP AHLTFPLDYH LNQPFIFVLR DTDTGALLFI GKILDPRGP

Purity > 97 % by SDS-PAGE and HPLC analyses.

Biological Activity 重組人色素上皮衍生因子蛋白Fully biologically active when compared to standard. The ED₅₀ as determined by its ability to enhance the adhesion of human Saos2 cells to bovine Collagen I coated plate is less than 2 ng/ml, corresponding to a specific activity of > 5.0 × 10⁵ IU/mg.

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

Formulation Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 7.4, 150 mM NaCl.

Endotoxin Less than 1 EU/μg of rHuPEDF 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.

重組人色素上皮衍生因子蛋白

SDS-PAGE

Reference 1. Bouck N. 2002. Trends Mol Med, 8: 330-4.
2. Sugita Y, Becerra SP, Chader GJ, et al. 1997. J Neurosci Res, 49: 710-8.
3. Takenaka K, Yamagishi S, Jinnouchi Y, et al. 2005. Life Sci, 77: 3231-41.
4. Yamagishi S, Matsui T, Nakamura K, et al. 2007. Protein Pept Lett, 14: 615-7.
5. Volpert KN, Tombran-Tink J, Barnstable C, et al. 2009. J Ocul Biol Dis Infor, 2: 1-11.

Background Pigment epithelium-derived factor (PEDF) is encoded by the SERPINF1 gene in humans and found in verebrates. It is a secreted phosphoglycoprotein that belongs to the clade F subfamily, serpin superfamily of proteinase inhibitors. The PEDF is a noninhibitory serpin with neurotrophic, anti-angiogenic, and anti-tumorigenic properties. It is synthesized as a 418 a.a. about 50kDa precursor that contains a 19 a.a. signal sequence and a 399 a.a. mature region that shows a pyroglutamate at Gln20. Like other serpins, it contains three β-sheets, 810 α-helices, and a C-terminal RCL (reactive center loop). Unlike other serpins with Ser protease inhibiting activity. PEDF has functions of inducing extensive neuronal differentiation in retinoblastoma cells, inhibiting of angiogenesis. As it does not undergo the S (stressed) to R (relaxed) conformational transition characteristic of active serpins, it exhibits no serine protease inhibitory activity. PEDF is researched as a therapeutic candidate for treatment of such conditions as choroidal neovascularization, heart disease, and cancer.

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Synonyms	SerpinF1, EPC-1, Cell proliferation-inducing gene 35 protein
Species	Human
Accession	P36955
GeneID	5176
Source	Escherichia coli.
Molecular Weight	重組人色素上皮衍生因子蛋白Approximately 44.4 KDa, a single non-glycosylated polypeptide chain containing 399 amino acids.
Quantity	5μg/20μg/1000μg
AA Sequence	重組人色素上皮衍生因子蛋白QNPASPPEEG SPDPDSTGAL VEEEDPFFKV PVNKLAAAVS NFGYDLYRVR SSTSPTTNVL LSPLSVATAL SALSLGAEQR TESIIHRALY YDLISSPDIH GTYKELLDTV TAPQKNLKSA SRIVFEKKLR IKSSFVAPLE KSYGTRPRVL TGNPRLDLQE INNWVQAQMK GKLARSTKEI PDEISILLLG VAHFKGQWVT KFDSRKTSLE DFYLDEERTV RVPMMSDPKA VLRYGLDSDL SCKIAQLPLT GSMSIIFFLP LKVTQNLTLI EESLTSEFIH DIDRELKTVQ AVLTVPKLKL SYEGEVTKSL QEMKLQSLFD SPDFSKITGK PIKLTQVEHR AGFEWNEDGA GTTPSPGLQP AHLTFPLDYH LNQPFIFVLR DTDTGALLFI GKILDPRGP
Purity	> 97 % by SDS-PAGE and HPLC analyses.
Biological Activity	重組人色素上皮衍生因子蛋白Fully biologically active when compared to standard. The ED₅₀ as determined by its ability to enhance the adhesion of human Saos2 cells to bovine Collagen I coated plate is less than 2 ng/ml, corresponding to a specific activity of > 5.0 × 10⁵ IU/mg.
Physical Appearance	Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation	Lyophilized from a 0.2 μm filtered concentrated solution in 20 mM PB, pH 7.4, 150 mM NaCl.
Endotoxin	Less than 1 EU/μg of rHuPEDF 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.
重組人色素上皮衍生因子蛋白
SDS-PAGE
Reference	1. Bouck N. 2002. Trends Mol Med, 8: 330-4. 2. Sugita Y, Becerra SP, Chader GJ, et al. 1997. J Neurosci Res, 49: 710-8. 3. Takenaka K, Yamagishi S, Jinnouchi Y, et al. 2005. Life Sci, 77: 3231-41. 4. Yamagishi S, Matsui T, Nakamura K, et al. 2007. Protein Pept Lett, 14: 615-7. 5. Volpert KN, Tombran-Tink J, Barnstable C, et al. 2009. J Ocul Biol Dis Infor, 2: 1-11.
Background	Pigment epithelium-derived factor (PEDF) is encoded by the SERPINF1 gene in humans and found in verebrates. It is a secreted phosphoglycoprotein that belongs to the clade F subfamily, serpin superfamily of proteinase inhibitors. The PEDF is a noninhibitory serpin with neurotrophic, anti-angiogenic, and anti-tumorigenic properties. It is synthesized as a 418 a.a. about 50kDa precursor that contains a 19 a.a. signal sequence and a 399 a.a. mature region that shows a pyroglutamate at Gln20. Like other serpins, it contains three β-sheets, 810 α-helices, and a C-terminal RCL (reactive center loop). Unlike other serpins with Ser protease inhibiting activity. PEDF has functions of inducing extensive neuronal differentiation in retinoblastoma cells, inhibiting of angiogenesis. As it does not undergo the S (stressed) to R (relaxed) conformational transition characteristic of active serpins, it exhibits no serine protease inhibitory activity. PEDF is researched as a therapeutic candidate for treatment of such conditions as choroidal neovascularization, heart disease, and cancer.

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產品名稱：重組人色素上皮衍生因子蛋白