Type
Recombinant
Description
Sox2belongstoadiversefamilyofstructurally-relatedtranscriptionfactorswhoseprimarystructurecontainsa79-residueDNA-bindingdomain,calledhighmobilitygroup(HMG)box.Itplaysanessentialroleinmaintainingthepluripotencyofembryonicstemcells(ESC)andthedeterminationofcellfate.MicroarrayanalysisshowedthatSox2regulatestheexpressionofmultiplegenesinvolvedinembryonicdevelopment,includingFGF-4,YES1andZFP206.Sox2actsasatranscriptionalactivatorafterformingaternarycomplexwithOct3/4andaconservednon-codingDNAsequence(CNS1)locatedapproximately2 kbupstreamoftheRAXpromoter.TheintroductionofSox2,Oct4,Myc,andKlf4intohumandermalfibroblastsisolatedfromaskinbiopsyofahealthyresearchfellowwassufficienttoconferapluripotentstateuponthefibroblastgenome.ThereprogrammedcellsthusobtainedresembleESCinmorphology,geneexpression,andintheircapacitytoformteratomasinimmune-deficientmice.RecombinantHumanSox2isa34.3 kDaproteincontaining317 aminoacidresidues.
AminoAcidSequence
MYNMMETELKPPGPQQTSGGGGGNSTAAAAGGNQKNSPDRVKRPMNAFMVWSRGQRRKMAQENPKMHNSEISKRLGAEWKLLSETEKRPFIDEAKRLRALHMKEHPDYKYRPRRKTKTLMKKDKYTLPGGLLAPGGNSMASGVGVGAGLGAGVNQRMDSYAHMNGWSNGSYSMMQDQLGYPQHPGLNAHGAAQMQPMHRYDVSALQYNSMTSSQTYMNGSPTYSMSYSQQGTPGMALGSMGSVVKSEASSSPPVVTSSSHSRAPCQAGDLRDMISMYLPGAEVPEPAAPSRLHMSQHYQSGPVPGTAINGTLPLSHM
Source
E.coli
Purity
95%
BIOLOGicalActivity
DataNotAvailable.
Endotoxin
Endotoxinlevelis<0.1 ng/μgofprotein(<1EU/μg).
Reconstitution
Centrifugethevialpriortoopening.Reconstituteinwatertoaconcentrationof0.1–1.0 mg/ml.Donotvortex.Forextendedstorage,itisrecommendedtofurtherdiluteinabuffercontainingacarrierprotein(example0.1%BSA)andstoreinworkingaliquotsat –20°Cto –80°C.
Storage/Expiration
–20°C