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The complete nucleotide sequence of murine beta-glucuronidase mRNA and its deduced polypeptide
P M Gallagher1, M A D'Amore, S D Lund
1Division of Basic Science Research, Children's Hospital Research Foundation, Cincinnati, Ohio 45229.
Abstract:
The complete nucleotide sequence of murine beta-glucuronidase (GUS) mRNA has been compiled from three overlapping cloned cDNAs and a single GUS-specific genomic clone. The sequence is composed of 2455 nucleotides, exclusive of the poly(A) tail. The 5' and 3' untranslated regions contain 12 and 499 bases, respectively, with the open reading frame encoding a polypeptide of 648 amino acids (74.2 kDa), including a 22 amino acid signal sequence. The nucleotide and deduced amino acid sequences of murine GUS are compared to those published for rat and human GUS and the results are presented. Murine GUS also shares amino acid sequence identity with Escherichia coli GUS and beta-galactosidase. The complete sequences of murine GUS mRNA and its deduced polypeptide provide a basis from which to study the mechanisms responsible for the well-characterized variation in GUS expression among inbred mouse strains.