Recombinant Staphylococcus aureus Chemotaxis inhibitory protein (chp)
Product Specifications
Product Name Alternative
(CHIPS)
Abbreviation
Recombinant Staphylococcus aureus chp protein
Gene Name
Chp
UniProt
Q2FWV5
Expression Region
29-149aa
Organism
Staphylococcus aureus (strain NCTC 8325 / PS 47)
Target Sequence
FTFEPFPTNEEIESNKKLLEKEKAYKESFKNSGLPTTLGKLDERLRNYLKKGTKNSAQFEKMVILTENKGYYTVYLNTPLAEDRKNVELLGKMYKTYFFKKGESKSSYVINGPGKTNEYAY
Tag
N-terminal 10xHis-tagged and C-terminal Myc-tagged
Type
In Stock Protein
Source
E.coli
Field of Research
Others
Relevance
Involved in countering the first line of host defense mechanisms. Specifically inhibits the response of human neutrophils and monocytes to complement anaphylatoxin C5a and formylated peptides, like N-formyl-methionyl-leucyl-phenylalanine (fMLP) . Acts by binding directly to the C5a receptor (C5aR) and formylated peptide receptor (FPR), thereby blocking the C5a- and fMLP-induced calcium responses. Prevents phagocytosis of the bacterium.
Endotoxin
Not test
Purity
Greater than 90% as determined by SDS-PAGE.
Activity
Not test
Form
Liquid or Lyophilized powder
Buffer
If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0.
Reconstitution
We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20°C/-80°C. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Molecular Weight
21.5 kDa
References & Citations
"The Staphylococcus aureus NCTC 8325 genome." Gillaspy A.F., Worrell V., Orvis J., Roe B.A., Dyer D.W., Iandolo J.J. (In) Fischetti V., Novick R., Ferretti J., Portnoy D., Rood J. (eds.) ; Gram positive pathogens, 2nd edition, pp.381-412, ASM Press, Washington D.C. (2006)
Storage Conditions
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C.
Protein Length
Full Length of Mature Protein
Available Sizes
Frequently Asked Questions
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