Abstract
In the present study, we generated antibodies in rabbits against two synthetic peptides, one based on peptide sequence from yeast CPT cDNA (position 86 to 98 of the amino acid sequence) and the other from our guinea pig CPT cDNA (it corresponds to amino acid positions 119 to 130 according to yeast CPT gene). The antibody titers were measured by both dot blot analysis and ELISA using Keyhole limpets hemocyanin coupled CPT peptides. The CPT antibody recognized a single band by Western blot analysis of proteins from guinea pig liver mitochondria and microsomes. The molecular weight of the protein recognized by Western blot analysis is close to the predicted molecular weight (46 kDa) of yeast CPT. Further analysis revealed that the antibody inhibited CPT activity in both subcellular fractions in a dose dependent manner, thus confirming the specificity of the antibody against both subcellular CPT.
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