Purity | Partiallypurifiedrecombinantcaspase3withafulllengthHIS-6-tag.Approximately10-20%caspase1protein.TheremainderisE.Coliproteins.Approximately0.8-2mgtotalprotein/Uofactivity;E.Coliproteinshavenoreactivity. |
EntrezGeneNumber | |
EntrezGeneSummary | Thisgeneencodesaproteinwhichisamemberofthecysteine-asparticacidprotease(caspase)family.Sequentialactivationofcaspasesplaysacentralroleintheexecution-phaseofcellapoptosis.Caspasesexistasinactiveproenzymeswhichundergoproteolyticprocessingatconservedasparticresiduestoproduce2subunits,largeandsmall,thatdimerizetoformtheactiveenzyme.ThisgenewasidentifiedbyitsABIlitytoproteolyticallycleaveandactivatetheinactiveprecursorofinterleukin-1,acytokineinvolvedintheprocessessuchasinflammation,septicshock,andwoundhealing.Thisgenehasbeenshowntoinducecellapoptosisandmayfunctioninvariousdevelopmentalstages.StudiesofasimilargeneinmousesuggestaroleinthepathogenesisofHuntingtondisease.Alternativesplicingofthisgeneresultsinfivetranscriptvariantsencodingdistinctisoforms. |
GeneSymbol | - CASP1
- IL1BCE
- P45
- IL-1BC
- IL1BC
- p45
- IL1B-convertase
- CASP-1
- ICE
- EC3.4.22.36[Contains:Caspase-1subunitp20
- Caspase-1subunitp10].
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UniProtNumber | |
UniProtSummary | FUNCTION:SwissProt:P29466#ThiolproteasethatcleavesIL-1betabetweenanAspandanAla,releasingthematurecytokinewhichisinvolvedinavarietyofinflammatoryprocesses.Importantfordefenseagainstpathogens.Cleavesandactivatessterolregulatoryelementbindingproteins(SREBPs).Canalsopromoteapoptosis. SIZE:404aminoacids;45159Da SUBUNIT:Heterotetramerthatconsistsoftwoanti-parallelarrangedheterodimers,eachoneformedbya20kDa(p20)anda10kDa(p10)subunit.Thep20subunitcanalsoformaheterodimerwiththeepsilonisoformwhichthenhasaninhibitoryeffect.Maybeacomponentoftheinflammasome,aproteincomplexwhichalsoincludesPYCARD,CARD8andNALP2andwhosefunctionwouldbetheactivationofproinflammatorycaspases. SUBCELLULARLOCATION:Cytoplasm. TISSUESPECIFICITY:Expressedinlargeramountsinspleenandlung.Detectedinliver,heart,smallintestine,colon,thymus,prostate,skeletalmuscle,peripheralbloodleukocytes,kidneyandtestis.Noexpressioninthebrain. PTM:Thetwosubunitsarederivedfromtheprecursorsequencebyanautocatalyticmechanism. SIMILARITY:SwissProt:P29466##BelongstothepeptidaseC14family.&Contains1CARDdomain. |