| Immunogen | GSTfusionproteincorrespondingtofulllengthhumanHa-Ras.CloneMC57. | 
| Clone | MC57 | 
| Concentration | PleaserefertotheCertificateofAnalysisforthelot-specificconcentration. | 
| Host | Rabbit | 
| Specificity | RecognizesHa-Ras,Mr~21kDa.DoesnotcrossreactwithCdc42,RhoorRac1. | 
| Isotype | IgG | 
| SpeciesReactivity |  | 
| SpeciesReactivityNote | Human.Predictedtocross-reactwithmouseandratbasedonsequencehomology. | 
| AntibodyType | MonoclonalAntibody | 
| EntrezGeneNumber |  | 
| EntrezGeneSummary | ThisgenebelongstotheRasoncogenefamily,whosemembersarerelatedtothetransforminggenesofmammaliansarcomaretroviruses.Theproductsencodedbythesegenesfunctioninsignaltransductionpathways.TheseproteinscanbindGTPandGDP,andtheyhaveintrinsicGTPaseactivity.Thisproteinundergoesacontinuouscycleofde-andre-palmitoylation,whichregulatesitsrapidexchangebetweentheplasmamembraneandtheGolgiapparatus.MutationsinthisgenecauseCostellosyndrome,adisease characterizedbyincreasedgrowthattheprenatalstage,growthdeficiencyatthepostnatalstage,predispositiontotumorformation,mentalretardation,skinandmusculoskeletalabnormalities,distinctivefacialappearanceandcardiovascularabnormalities.Defectsinthisgeneareimplicatedinavarietyofcancers,includingbladdercancer,follicularthyroidcancer,andoralsquamouscellcarcinoma.Multipletranscriptvariants,whichencodedifferentisoforms,havebeenidentifiedforthisgene.
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| GeneSymbol | C-BAS/HASC-H-RASC-HA-RAS1CTLOH-RASIDXH-Ras-1HAMSVHRAS1Ha-RasK-RASN-RASOTTHUMP00000162769OTTHUMP00000166053OTTHUMP00000166055RASH1c-H-rasp21ras
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| UniProtNumber |  | 
| UniProtSummary | FUNCTION:RasproteinsbindGDP/GTPandpossessintrinsicGTPaseactivity.Ref.18Ref.32 ENZYMEREGULATION:AlternatebetweenaninactiveformboundtoGDPandanactiveformboundtoGTP.Activatedbyaguaninenucleotide-exchangefactor(GEF)andinactivatedbyaGTPase-activatingprotein(GAP).
 SUBUNITSTRUCTURE:InitsGTP-boundforminteractswithPLCE1.InteractswithTBC1D10C.InteractswithRGL3Bysimilarity.FormsasignalingcomplexwithRASGRP1andDGKZ.InteractswithRASSF5.
 SUBCELLULARLOCATION:Cellmembrane;Lipid-anchor;Cytoplasmicside.Golgiapparatusmembrane;Lipid-anchor.Note:ShuttlesbetweentheplasmamembraneandtheGolgiapparatus.
 PTM:PalmitoylatedbytheZDHHC9-GOLGA7complex.Acontinuouscycleofde-andre-palmitoylationregulatesrapidexchangebetweenplasmamembraneandGolgi.S-nitrosylated;criticalforredoxregulation.Importantforstimulatingguaninenucleotideexchange.Nostructuralperturbationonnitrosylation.
 INVOLVEMENTINDISEASE:DefectsinHRASarethecauseofCostellosyndrome[MIM:218040];alsoknownasfaciocutaneoskeletalsyndrome.Costellosyndromeisarareconditioncharacterizedbyprenatallyincreasedgrowth,postnatalgrowthdeficiency,mentalretardation,distinctivefacialappearance,cardiovascularabnormalities(typicallypulmonicstenosis,hypertrophiccardiomyopathyand/oratrialtachycardia),tumorpredisposition,skinandmusculoskeletalabnormalities.
 DefectsinHRASarethecauseofcongenitalmyopathywithexcessofmusclespindles(CMEMS)[MIM:218040].CMEMSisavariantofCostellosyndrome.
 DefectsinHRASmaybeacauseofsusceptibilitytoHurthlecellthyroidcarcinoma[MIM:607464];alsoknownasHurthlecellthyroidneoplasia.Hurthlecellthyroidcarcinomaaccountsforapproximately3%ofallthyroidcancers.Althoughtheyareclassifiedasvariantsoffollicularneoplasms,theyaremoreoftenmultifocalandsomewhatmoreaggressiveandarelesslikelytotakeupiodinethanareotherfollicularneoplasms.Mutationswhichchangepositions12,13or61activatethepotentialofHRAStotransformculturedcellsandareimplicatedinavarietyofhumantumors.DefectsinHRASareacauseofbladdercancer.DefectsinHRASarethecauseoforalsquamouscellcarcinoma(OSCC).
 SEQUENCESIMILARITIES:BelongstothesmallGTPasesuperfamily.Rasfamily.
 MASSSPECTROMETRY:Molecularmassis6.223±2Dafrompositions112-166.DeterminedbyESI.Molecularmassis6.253±2Dafrompositions112-166.DeterminedbyESI.Includesonenitricoxidemolecule.
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| MolecularWeight | ~21kDa |