Type
Recombinant
Description
TheoriginallydescribedIL-17 protein,nowknownasIL-17A,isahomodimeroftwo136 aminoacidchainsthataresecretedbyactivatedT-cells,whichactonstromalcellstoinduceproductionofproinflammatoryandhematopoieticbioactivemolecules.Today,IL-17 representsafamilyofstructurally-relatedcytokinesthatshareahighlyconservedC-terminalregion,butdifferfromoneanotherintheirN-terminalregionsandintheirdistinctBIOLOGicalroles.Thesixknownmembersofthisfamily,IL-17AthroughIL-17F,aresecretedashomodimers.IL-17Aexhibitscross-speciesbioactivitybetweenhumanandmurinecells.RecombinantHumanIL-17Aisa31.3 kDa,disulfide-linkedhomodimeroftwo137 aminoacid,polypeptidechains.
AminoAcidSequence
MIVKAGITIPRNPGCPNSEDKNFPRTVMVNLNIHNRNTNTNPKRSSDYYNRSTSPWNLHRNEDPERYPSVIWEAKCRHLGCINADGNVDYHMNSVPIQQEILVLRREPPHCPNSFRLEKILVSVGCTCVTPIVHHVA
Source
E.coli
Purity
98%
BiologicalActivity
MeasuredbyitsABIlitytoinduceIL-6 productionbyNHDFcellsusingaconcentrationrangeof0.5–1.5 ng/ml.
Endotoxin
Endotoxinlevelis<0.1 ng/μgofprotein(<1EU/μg).
Reconstitution
Centrifugethevialpriortoopening.Reconstituteinwatertoaconcentrationof0.1–1.0 mg/ml.Donotvortex.Thissolutioncanbestoredat2–8°Cforupto1 week.Forextendedstorage,itisrecommendedtofurtherdiluteinabuffercontainingacarrierprotein(example0.1%BSA)andstoreinworkingaliquotsat –20°Cto –80°C.
Storage/Expiration
–20°C