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GALNT15

Gene
GALNT15
Protein
Polypeptide N-acetylgalactosaminyltransferase 15
Organism
Homo sapiens
Length
639 amino acids
Function
Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Although it displays a much weaker activity toward all substrates tested compared to GALNT2, it is able to transfer up to seven GalNAc residues to the Muc5AC peptide, suggesting that it can fill vicinal Thr/Ser residues in cooperation with other GALNT proteins. Prefers Muc1a as substrate.
Similarity
Belongs to the glycosyltransferase 2 family. GalNAc-T subfamily.
Mass
73.063 kDa
Sequence
MLLRKRYRHRPCRLQFLLLLLMLGCVLMMVAMLHPPHHTLHQTVTAQASKHSPEARYRLDFGESQDWVLEAEDEGEEYSPLEGLPPFISLREDQLLVAVALPQARRNQSQGRRGGSYRLIKQPRRQDKEAPKRDWGADEDGEVSEEEELTPFSLDPRGLQEALSARIPLQRALPEVRHPLCLQQHPQDSLPTASVILCFHDEAWSTLLRTVHSILDTVPRAFLKEIILVDDLSQQGQLKSALSEYVARLEGVKLLRSNKRLGAIRARMLGATRATGDVLVFMDAHCECHPGWLEPLLSRIAGDRSRVVSPVIDVIDWKTFQYYPSKDLQRGVLDWKLDFHWEPLPEHVRKALQSPISPIRSPVVPGEVVAMDRHYFQNTGAYDSLMSLRGGENLELSFKAWLCGGSVEILPCSRVGHIYQNQDSHSPLDQEATLRNRVRIAETWLGSFKETFYKHSPEAFSLSKAEKPDCMERLQLQRRLGCRTFHWFLANVYPELYPSEPRPSFSGKLHNTGLGLCADCQAEGDILGCPMVLAPCSDSRQQQYLQHTSRKEIHFGSPQHLCFAVRQEQVILQNCTEEGLAIHQQHWDFQENGMIVHILSGKCMEAVVQENNKDLYLRPCDGKARQQWRFDQINAVDER

Gene
Galnt15
Protein
Polypeptide N-acetylgalactosaminyltransferase 15
Organism
Mus musculus
Length
638 amino acids
Function
Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Although it displays a much weaker activity toward all substrates tested compared to GALNT2, it is able to transfer up to seven GalNAc residues to the Muc5AC peptide, suggesting that it can fill vicinal Thr/Ser residues in cooperation with other GALNT proteins. Prefers Muc1a as substrate (By similarity).
Similarity
Belongs to the glycosyltransferase 2 family. GalNAc-T subfamily.
Mass
72.321 kDa
Sequence
MLPRKRPRSGRSRLQFLLLFLTLGCVLMMVILLHPPPPTLHQAVTAQASKHSPDTGYRLDFGDSQEWVLEAETEGDEYSLLDGLPSFISLQEDQLLVAVASPRARRSQSQGRRQGSYQFIKHRSRRWDEEALEKDWRTEEDGEESEEVLTPLGPDSDGLNKPLSARLPLRRVLPEVRHPLCLQQHPTSGLPTASVILCFHDEAWPTLLRTVHSILDTAPRALLQEIILVDDLSQQELLKSALSEYVARLEAVKLLRSNRRLGTIGARMLGATRATGDVLVFMDAHCECHPGWLEPLLSRIADDRSRVVSPVIDVIDWKTLQYSASKLHRGTLDWKLDFRWKPLGEQEQKALPSPISPVRSPVVPREVVAVDRHYFQNTGAYDPLLSLGDSENLEMSFKAWLCGGSVEILPCSRVGHIYRSQDASSRPDPEVALKNKIIIAETWLSSFKETFYRHIPEAFTLSKVAKPDCTERLKLQRRLGCRTFHWFLANVYPELYPSDHRPRFSGKLHNTGFGLCADCQADGDILGCPMTLAPCSNNRQQQNLEHTGRKEILFGGPQRLCFDVRGGRVILQNCTEEGPAIHQQHWDFQEDGMIIHVLSGKCMEAGVQPSNKDLYLRQCDGKTSQLWRFDQIHPVDER