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Molecular cloning of cDNA for rat brain GD3-synthase
1Department of Biochemistry and Molecular Biophysics, Medical College of Virginia, Virginia Commonwealth University, Richmond 23298-0614, USA.
Abstract:
The complete nucleotide sequence of the cDNA coding for rat GD3-synthase was determined for the first time using PCR and the rapid amplification of cDNA ends (RACE) procedures. The deduced amino acid sequence consists of 359 residues. The protein contains a potential transmembrane domain with a short N-terminus and such highly conserved regions as the sialylmotifs. An antisense oligonucleotide derived from the rat GD3-synthase cDNA was applied to the cultures of rat cerebellar neurons and results showed a decrease in the synthesis of ganglioside GD3, indicating that the expression of GD3-synthase was modulated by the antisense sequence.