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Recombinant Mouse GRO/KC (CXCL1)

Certificate of Analysis and Data Sheet

Source:
E.Coli

Catalog No.
CHM-335

Background :

KC is a member of the CXC chemokine family with homology to human IL-8, a potent neutrophilic chemotactic cytokine. KC is a fundamental mediator of neutrophil recruitment in acute mast cell-dependent skin inflammation.

Description :

Recombinant murine KC also nown as N51 and GRO-1 produced in E.Coli is a single,non-glycosylated, polypeptide chain containing 72 amino acids and having a molecular mass of 7815 Dalton. Recombinant Murine GRO is purified by proprietary chromatographic techniques.

Physical Appearance:

Sterile Filtered White lyophilized (freeze-dried) powder.

Formulation:

The protein was lyophilized with no additives.

Solubility:

It is recommended to reconstitute the lyophilized Recombinant GRO1 in sterile 18MΩ-cm H2O not less than 100ug/ml, which can then be further diluted to other aqueous solutions.

Stability:

Lyophilized Murine N51/KC although stable at room temperature for 3 weeks, should be stored desiccated below -180C. Upon reconstitution GRO1 should be stored at 40C between 2-7 days and for future use below -180C. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).
Please avoid freeze-thaw cycles.

Purity:

Greater than 99.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Anion-exchange FPLC.
(c) Analysis by reducing and non-reducing SDS-PAGE Silver Stained.

Amino acid sequence:

The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Pro-Ile-Ala-Asn.

Dimers and aggregates:

Less than 1% as determined by silver-stained SDS-PAGE gel analysis.

Biological Activity:

ProSpec旧 Mouse CXCL1 is fully biologically active when compared to standard. The Biological activity is calculated by its ability to chemoattract human neutrophils cells using a conc. of 10.0-100 ng/ml.

Endotoxin:

Less than 0.1 ng/ug (IEU/ug) of Mouse KC

Protein content:

Protein quantitation was carried out by two independent methods:
1. UV spectroscopy at 280 nm using the absorbency value of 0.03 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).
2. Analysis by RP-HPLC, using a standard solution of KC as a Reference Standard.

Usage:

Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.


Gene:

Name:Cxcl1
Synonyms:Gro, Gro1, Mgsa, Scyb1

Protein synonyms/aliases:

Growth regulated alpha protein precursor (CXCL1)
    (Platelet-derivedgrowth factor-inducible protein KC)
    (Secretory protein N51)

Precursor's functional components:

KC(5-72)
    (KC-T)
    (Hematopoietic synergistic factor)
    (HSF) .

Protein Family:

Belongs to the intercrine alpha (chemokine CxC)

Protein Domains:


Domains:
IPR001811   Small chemokine, interleukin-8-like

Protein links:

Recombinant Mouse GRO/KC (CXCL1) protein domain

Recombinant Mouse GRO/KC (CXCL1) protein family


Precursor- Protein structure and amino acid sequence:


Latest Publications:

1. Endothelin-1 induces CXCL1 and CXCL8 secretion in human melanoma cells.
J Invest Dermatol 2005 Aug;125(2):307-11
2. The chemokine GRO-alpha (CXCL1) confers increased tumorigenicity to glioma cells.
Carcinogenesis 2005 Dec;26(12):2058-68
3. CXCL1 (GRO-alpha) chemokine in acute ischaemic stroke patients.
Folia Neuropathol 2005;43(2):97-102
4. Functionally independent AU-rich sequence motifs regulate KC (CXCL1) mRNA.
J Biol Chem 2005 Aug 26;280(34):30166-74
5. Hyaluronan fragments induce endothelial cell differentiation in a CD44- and CXCL1/GRO1-dependent manner.
J Biol Chem 2005 Jun 24;280(25):24195-204
6. Association study of the chemokine, CXC motif, ligand 1 (CXCL1) gene with sporadic Alzheimer's disease in a Japanese population.
Neurosci Lett 2005 May 13;379(3):149-51

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中華民國95年06月06日更新