| Immunogen | Syntheticpeptide | 
| Epitope | Largesubunit&proform | 
| Concentration | PleaserefertotheCertificateofAnalysisforthelot-specificconcentration. | 
| Host | Rabbit | 
| Specificity | AB1899detectsprocaspase-3(32kDa)andthecleavedp20fragmentincellsundergoingapoptosis. | 
| SpeciesReactivity |  | 
| AntibodyType | PolyclonalAntibody | 
| EntrezGeneNumber |  | 
| EntrezGeneSummary | Thisgeneencodesaproteinwhichisamemberofthecysteine-asparticacidprotease(caspase)family.Sequentialactivationofcaspasesplaysacentralroleintheexecution-phaseofcellapoptosis.Caspasesexistasinactiveproenzymeswhichundergoproteolyticprocessingatconservedasparticresiduestoproducetwosubunits,largeandsmall,thatdimerizetoformtheactiveenzyme.Thisproteincleavesandactivatescaspases6,7and9,andtheproteinitselfisprocessedbycaspases8,9and10.Itisthepredominantcaspaseinvolvedinthecleavageofamyloid-beta4Aprecursorprotein,whichisassociatedwithneuronaldeathinAlzheimer"sdisease.Alternativesplicingofthisgeneresultsintwotranscriptvariantsthatencodethesameprotein. | 
| GeneSymbol | - CASP3
 - CPP-32
 - Yama
 - CASP-3
 - CPP32B
 - SCA-1
 - CPP32
 - EC3.4.22.56[Contains:Caspase-3subunitp17Caspase-3subunitp12].
 
  | 
| PurificationMethod | Affinitypurifiedimmunoglobulin | 
| UniProtNumber |  | 
| UniProtSummary | FUNCTION:SwissProt:P42574#InvolvedintheactivationcascadeofcaspasesresponsIBLeforapoptosisexecution.Attheonsetofapoptosisitproteolyticallycleavespoly(ADP-ribose)polymerase(PARP)ata"216-Asp--Gly-217"bond.Cleavesandactivatessterolregulatoryelementbindingproteins(SREBPs)betweenthebasichelix-loop-helixleucinezipperdomainandthemembraneattachmentdomain.Cleavesandactivatescaspase-6,-7and-9.Involvedinthecleavageofhuntingtin. SIZE:277aminoacids;31608Da SUBUNIT:Heterotetramerthatconsistsoftwoanti-parallelarrangedheterodimers,eachoneformedbya17kDa(p17)anda12kDa(p12)subunit. SUBCELLULARLOCATION:Cytoplasm. TISSUESPECIFICITY:Highlyexpressedinlung,spleen,heart,liverandkidney.Moderatelevelsinbrainandskeletalmuscle,andlowintestis.Alsofoundinmanycelllines,highestexpressionincellsoftheimmunesystem. PTM:CleavagebygranzymeB,caspase-6,caspase-8andcaspase-10generatesthetwoactivesubunits.Additionalprocessingofthepropeptidesislikelyduetotheautocatalyticactivityoftheactivatedprotease.Activeheterodimersbetweenthesmallsubunitofcaspase-7proteaseandthelargesubunitofcaspase-3alsooccurandviceversa. SIMILARITY:SwissProt:P42574##BelongstothepeptidaseC14family. | 
| MolecularWeight | 45kDafulllength,32-35kDapartialintermediateandthecleavedp17/20kDafragmentincellsundergoingapoptosis |