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產品名稱：重組人類生長調節蛋白-β/ CXCL2蛋白
產品型號：rHuGRO-β/CXCL2
產品廠商：KALANG
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簡單介紹：

重組人類生長調節蛋白-β/ CXCL2蛋白與其它公司提供的重組蛋白不同，rHuGRO-β/CXCL2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.重組人類生長調節蛋白-β/ CXCL2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.

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重組人類生長調節蛋白-β/ CXCL2蛋白

Synonyms MIP2-alpha

Species Human

Accession P19875

GeneID 2920

Source Escherichia coli.

Molecular Weight 重組人類生長調節蛋白-β/ CXCL2蛋白Approximately 7.9 kDa, a single non-glycosylated polypeptide chain containing 73 amino acids.

Quantity 2μg/10μg/1000μg

AA Sequence APLATELRCQ CLQTLQGIHL KNIQSVKVKS PGPHCAQTEV IATLKNGQKA CLNPASPMVK KIIEKMLKNG KSN

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

Biological Activity 重組人類生長調節蛋白-β/ CXCL2蛋白Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using human CXCR2 transfected human 293 cells is in a concentration range of 10-100 ng/ml.

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, 50 mM NaCl.

Endotoxin Less than 1 EU/μg of rHuGRO-β/CXCL2 as determined by LAL method.

Reconstitution 重組人類生長調節蛋白-β/ CXCL2蛋白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.

重組人類生長調節蛋白-β/ CXCL2蛋白

Reference 1. Haskill S, Peace A, Morris J, et al. 1990. Proc Natl Acad Sci U S A. 87:7732-6.
2. Tsai HH, Frost E, To V, et al. 2002. Cell. 110:373-83.
3. Wolpe SD, Sherry B, Juers D, et al. 1989. Proc Natl Acad Sci U S A. 86:612-6.
4. Iida N, Grotendorst GR. 1990. Mol Cell Biol. 10:5596-9.
5. Pelus LM, Fukuda S. 2006. Exp Hematol. 34:1010-20.

Background CXCL2, also named GRO-β, is belonging to the CXC chemokine family. It is encoded by the gene CXCL2 in humans. CXCL2/GRO-β shares 90 % amino acid sequence with CXCL1/GRO-α. All three human GROs (GRO-α, GRO-β, GRO-γ) are members of the intercrine alpha (chemokine C-X-C) subfamily of chemokine. This chemokine is secreted by monocytes and macrophages. The functional receptor for CXCL2 has been identified as CXCR2. CXCL2 is chemotactic for polymorphonuclear leukocytes and hematopoietic stem cells. Similar to other GRO proteins, CXCL2 is potent neutrophil attractants and activators. In addition, it is also active toward basophils.

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Synonyms	MIP2-alpha
Species	Human
Accession	P19875
GeneID	2920
Source	Escherichia coli.
Molecular Weight	重組人類生長調節蛋白-β/ CXCL2蛋白Approximately 7.9 kDa, a single non-glycosylated polypeptide chain containing 73 amino acids.
Quantity	2μg/10μg/1000μg
AA Sequence	APLATELRCQ CLQTLQGIHL KNIQSVKVKS PGPHCAQTEV IATLKNGQKA CLNPASPMVK KIIEKMLKNG KSN
Purity	> 97 % by SDS-PAGE and HPLC analyses.
Biological Activity	重組人類生長調節蛋白-β/ CXCL2蛋白Fully biologically active when compared to standard. The biological activity determined by a chemotaxis bioassay using human CXCR2 transfected human 293 cells is in a concentration range of 10-100 ng/ml.
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, 50 mM NaCl.
Endotoxin	Less than 1 EU/μg of rHuGRO-β/CXCL2 as determined by LAL method.
Reconstitution	重組人類生長調節蛋白-β/ CXCL2蛋白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.
重組人類生長調節蛋白-β/ CXCL2蛋白
Reference	1. Haskill S, Peace A, Morris J, et al. 1990. Proc Natl Acad Sci U S A. 87:7732-6. 2. Tsai HH, Frost E, To V, et al. 2002. Cell. 110:373-83. 3. Wolpe SD, Sherry B, Juers D, et al. 1989. Proc Natl Acad Sci U S A. 86:612-6. 4. Iida N, Grotendorst GR. 1990. Mol Cell Biol. 10:5596-9. 5. Pelus LM, Fukuda S. 2006. Exp Hematol. 34:1010-20.
Background	CXCL2, also named GRO-β, is belonging to the CXC chemokine family. It is encoded by the gene CXCL2 in humans. CXCL2/GRO-β shares 90 % amino acid sequence with CXCL1/GRO-α. All three human GROs (GRO-α, GRO-β, GRO-γ) are members of the intercrine alpha (chemokine C-X-C) subfamily of chemokine. This chemokine is secreted by monocytes and macrophages. The functional receptor for CXCL2 has been identified as CXCR2. CXCL2 is chemotactic for polymorphonuclear leukocytes and hematopoietic stem cells. Similar to other GRO proteins, CXCL2 is potent neutrophil attractants and activators. In addition, it is also active toward basophils.

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產品名稱：重組人類生長調節蛋白-β/ CXCL2蛋白