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產品名稱：重組大鼠肝素結合性EGF樣生長因子蛋白
產品型號：rRtHB-EGF
產品廠商：KALANG
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簡單介紹：

重組大鼠肝素結合性EGF樣生長因子蛋白與其它公司提供的重組蛋白不同，rRtHB-EGF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.重組大鼠肝素結合性EGF樣生長因子蛋白（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：

重組大鼠肝素結合性EGF樣生長因子蛋白

Synonyms HBEGF, DT-R

Species Rat

Accession Q06175

GeneID 25433

Source Escherichia coli.

Molecular Weight 重組大鼠肝素結合性EGF樣生長因子蛋白Approximately 9.7 kDa, a single non-glycosylated polypeptide chain containing 86 amino acids.

Quantity 10μg/50μg/1000μg

AA Sequence DLEGTDLDLF KVAFSSKPQA LATPGKEKNG KKKRKGKGLG KKRDPCLKKY KDYCIHGECR YLKELRIPSC HCLPGYHGQR CHGLTL

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

Biological Activity 重組大鼠肝素結合性EGF樣生長因子蛋白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 1 ng/ml, corresponding to a specific activity of > 1.0 × 10⁶ IU/mg.

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

Formulation Lyophilized from a 0.2 μm filtered concentrated solution in PBS, 300 mM NaCl, pH 7.4, 5 % trehalose.

Endotoxin 重組大鼠肝素結合性EGF樣生長因子蛋白Less than 1 EU/μg of rRtHB-EGF 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.

重組大鼠肝素結合性EGF樣生長因子蛋白

Reference 1. Jin K, Mao XO, Sun Y, et al. 2002. J Neurosci. 22:5365-73.
2. Higashiyama S, Abraham JA, Miller J, et al. 1991. Science. 251:936-9.

Background Heparin-binding epidermal growth factor (HB-EGF)-like growth factor (EGF) is found in cerebral neurons. Its expression is increased after hypoxic or ischemic injury, which also stimulates neurogenesis. HB-EGF has been implicated as a participant in a variety of normal physiological processes such as blastocyst implantation and wound healing, and in pathological processes such as tumor growth, SMC hyperplasia and atherosclerosis. HB-EGF is an 87 amino acid mitogenic and chemotactic glycoprotein containing an EGF-like domain with six conserved cysteine residues. Rat HB-EGF shares about 76 % a.a. sequence identity with human HB-EGF.

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Synonyms	HBEGF, DT-R
Species	Rat
Accession	Q06175
GeneID	25433
Source	Escherichia coli.
Molecular Weight	重組大鼠肝素結合性EGF樣生長因子蛋白Approximately 9.7 kDa, a single non-glycosylated polypeptide chain containing 86 amino acids.
Quantity	10μg/50μg/1000μg
AA Sequence	DLEGTDLDLF KVAFSSKPQA LATPGKEKNG KKKRKGKGLG KKRDPCLKKY KDYCIHGECR YLKELRIPSC HCLPGYHGQR CHGLTL
Purity	> 95 % by SDS-PAGE and HPLC analyses.
Biological Activity	重組大鼠肝素結合性EGF樣生長因子蛋白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 1 ng/ml, corresponding to a specific activity of > 1.0 × 10⁶ IU/mg.
Physical Appearance	Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation	Lyophilized from a 0.2 μm filtered concentrated solution in PBS, 300 mM NaCl, pH 7.4, 5 % trehalose.
Endotoxin	重組大鼠肝素結合性EGF樣生長因子蛋白Less than 1 EU/μg of rRtHB-EGF 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.
重組大鼠肝素結合性EGF樣生長因子蛋白
Reference	1. Jin K, Mao XO, Sun Y, et al. 2002. J Neurosci. 22:5365-73. 2. Higashiyama S, Abraham JA, Miller J, et al. 1991. Science. 251:936-9.
Background	Heparin-binding epidermal growth factor (HB-EGF)-like growth factor (EGF) is found in cerebral neurons. Its expression is increased after hypoxic or ischemic injury, which also stimulates neurogenesis. HB-EGF has been implicated as a participant in a variety of normal physiological processes such as blastocyst implantation and wound healing, and in pathological processes such as tumor growth, SMC hyperplasia and atherosclerosis. HB-EGF is an 87 amino acid mitogenic and chemotactic glycoprotein containing an EGF-like domain with six conserved cysteine residues. Rat HB-EGF shares about 76 % a.a. sequence identity with human HB-EGF.

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產品名稱：重組大鼠肝素結合性EGF樣生長因子蛋白