Differenze tra le versioni di "N-acetillattosaminide 3-alfa-galattosiltransferasi"

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{{S|enzimi}}
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| didascalia =
| ECnumber = 2.4.1.87
| nome sistematico = UDP-galactosegalattosio:''N''-acetyllactosaminideacetillattosamminide 3-&alpha;α-<small>D</small>-galactosyltransferasegalattosiltransferasi
| altri nomi = &alpha;α-galactosyltransferasegalattosiltransferasi; UDP-Gal:&beta;β-<small>D</small>-Gal(1,4)-<small>D</small>-GlcNAc &alpha;α(1,3)-galactosyltransferasegalattosiltransferasi; UDP-Gal:''N''-acetyllactosaminideacetillattosamminide &alpha;α(1,3)-galactosyltransferasegalattosiltransferasi; UDP-Gal:''N''-acetyllactosaminideacetillattosamminide &alpha;α-1,3-<small>D</small>-galactosyltransferasegalattosiltransferasi; UDP-Gal:Gal&beta;1Galβ1&rarr;4GlcNAc-R &alpha;1α1&rarr;3-galactosyltransferasegalattosiltransferasi; UDP-galactosegalattosio-acetyllactosamineacetillattosammina &alpha;α-<small>D</small>-galactosyltransferasegalattosiltransferasi; UDPgalactose:&beta;β-<small>D</small>-galactosylgalattosil-&beta;β-1,4-''N''-acetylacetil-<small>D</small>-glucosaminylglucosamminil-glycopeptideglicopeptide &alpha;α-1,3-<small>D</small>-galactosyltransferasegalattosiltransferasi; glucosaminylglycopeptideglucosamminilglicopeptide &alpha;α-1,3-galactosyltransferasegalattosiltransferasi; uridineuridina diphosphogalactosedifosfogalattosio-acetyllactosamineacetillattosammina &alpha;1α1&rarr;3-galactosyltransferasegalattosiltransferasi; uridine diphosphogalactosedifosfogalattosio-acetyllactosamineacetillattosammina galactosyltransferasegalattosiltransferasi; uridineuridina diphosphogalactosedifosfogalattosio-galactosylacetylglucosaminylgalactosylglucosylceramidegalattosilacetilglucosamminilgalattosilglucosilceramide galactosyltransferasegalattosiltransferasi; &beta;β-<small>D</small>-galactosylgalattosil-''N''-acetylglucosaminylglycopeptideacetilglucosamminilglicopeptide &alpha;α-1,3-galactosyltransferasegalattosiltransferasi
}}
 
La '''N-acetillattosaminide 3-alfa-galattosiltransferasi''' è un [[enzima]] appartenente alla classe delle [[transferasi]], che catalizza la seguente [[reazione chimica|reazione]]:
:UDP-galactose[[galattosio]] + &beta;β-<small>D</small>-galactosylgalattosil-(1&rarr;4)-&beta;β-''N''-acetylacetil-<small>D</small>-glucosaminylglucosamminil-R {{Unicode|⇄}} [[UDP]] + &alpha;α-<small>D</small>-galactosylgalattosil-(1&rarr;3)-&beta;β-<small>D</small>-galactosylgalattosil-(1&rarr;4)-&beta;β-''N''-acetylglucosaminylacetilglucosamminil-R
ActsL'enzima onagisce &beta;sui β-galactosylgalattosil-1,4-''N''-acetylglucosaminylacetilglucosamminili terminiterminali ondella[[glicoproteina]] asialo-&alpha;1α1-acidacida glycoprotein ande della ''N''-acetyllactosamineacetil[[lattosammina]] (&beta;β-<small>D</small>-galactosylgalattosil-1,4-''N''-acetylacetil-&beta;β-<small>D</small>-glucosamine[[glucosammina]]), butma notnon ondella 2&prime;-fucosylatedfucosilata-''N''-acetyllactosamineacetillattosammina. TheI [[residuo|residui]] non-reducing terminalriducenti ''N''-acetyllactosamineacetillattosammina residuesterminali ofdelle glycoproteinsglicoproteine canpossono alsoagire actanche ascome acceptor[[accettori]]. NowOra includescomprende ECil {{enzima|2.4.1.124}} anded ECil {{enzima|2.4.1.151}}.
 
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