title: Cloning and sequencing of a full-length cDNA of mouse N-acetylglucosamine (beta 1-4)galactosyltransferase.
abstract: A full-length cDNA clone for mouse N-acetylglucosamine (beta 1-4)galactosyltransferase (beta 1-4GT) [EC 2.4.1.90] and several clones diverged from the beta 1-4GT cDNA were isolated from a mouse F9 cDNA library and then sequenced. The beta 1-4GT cDNA has an open reading frame consisting of 399 amino acids. The homology at the amino acid level is 80 and 91% as to the partial sequences of bovine and human milk beta 1-4GT, respectively. The general enzyme structure of the beta 1-4GT seems to be similar to that of a rat beta-galactoside (alpha 2-6) sialyltransferase. Junctions of the common and divergent regions of cDNA have dinucleotides, AG, suggesting that the variety of cDNA clones is generated through alternative splicing.
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D001483:Base Sequence; D003001:Cloning, Molecular; D004247:DNA / Q000235:genetics*; D007788:Lactose Synthase / Q000235:genetics*; D051379:Mice; D008969:Molecular Sequence Data; D009237:N-Acetyllactosamine Synthase / Q000235:genetics*; D015183:Restriction Mapping
chemical_list: D004247:DNA; D007788:Lactose Synthase; D009237:N-Acetyllactosamine Synthase