| Immunogen | SyntheticpeptidecorrespondingtoresiduesnearC-terminusandbeforeAla-richdomainofhumanSir2. | 
| Epitope | C-terminus | 
| Clone | E104 | 
| Host | Rabbit | 
| Specificity | Theantibodydoesnotcross-reactwithothersirtuinfamilymembers. | 
| Isotype | IgG | 
| SpeciesReactivity |  | 
| AntibodyType | MonoclonalAntibody | 
| EntrezGeneNumber |  | 
| EntrezGeneSummary | Thisgeneencodesamemberofthesirtuinfamilyofproteins,homologstotheyeastSir2protein.Membersofthesirtuinfamilyarecharacterizedbyasirtuincoredomainandgroupedintofourclasses.Thefunctionsofhumansirtuinshavenotyetbeendetermined;however,yeastsirtuinproteinsareknowntoregulateepigeneticgenesilencingandsuppressrecombinationofrDNA.Studiessuggestthatthehumansirtuinsmayfunctionasintracellularregulatoryproteinswithmono-ADP-ribosyltransferaseactivity.TheproteinencodedbythisgeneisincludedinclassIofthesirtuinfamily.Alternativesplicingresultsinmultipletranscriptvariants. | 
| GeneSymbol | EC3.5.1.-SIR2SIR2-likeSIR2LSIR2L2
 | 
| PurificationMethod | Unpurified | 
| UniProtNumber |  | 
| UniProtSummary | FUNCTION:NAD-dependentdeacetylase,whichdeacetylatesthe"Lys-40"ofalpha-tubulin.Involvedinthecontrolofmitoticexitinthecellcycle,probablyviaitsroleintheregulationofCytoskeleton.Despitesomeabilitytodeacetylatehistonesinvitro,itisunlikelyinvivo. CATALYTICACTIVITY:NAD++anacetylprotein=nicotinamide+O-acetyl-ADP-ribose+aprotein.
 COFACTOR:Binds1zincionpersubunit.
 ENZYMEREGULATION:InhibitedbySirtinol,A3andM15smallmolecules.Inhibitedbynicotinamide.
 SUBUNITSTRUCTURE:InteractswithHDAC6,suggestingthattheseproteinsbelongtoalargecomplexthatdeacetylatethecytoskeleton.
 SUBCELLULARLOCATION:Cytoplasm?cytoskeleton.Note:Colocalizeswithmicrotubules.
 TISSUESPECIFICITY:Widelyexpressed.Highlyexpressedinheart,brainandskeletalmuscle,whileitisweaklyexpressedinplacentaandlung.Down-regulatedinmanygliomassuggestingthatitmayactasatumorsuppressorgeneinhumangliomaspossiblythroughtheregulationofmicrotubulenetwork.
 DEVELOPMENTALSTAGE:Peaksduringmitosis.Aftermitosis,itisprobablydegradedbythe26Sproteasome.
 PTM:PhosphorylatedattheG2/Mtransitionofthecellcycle.
 SEQUENCESIMILARITIES:Belongstothesirtuinfamily.
 Contains1deacetylasesirtuin-typedomain.
 SEQUENCECAUTION:ThesequenceAAF67015.1differsfromthatshown.Reason:Frameshiftatseveralpositions.
 | 
| MolecularWeight | ~110kDa |