taken together with the reported mitochondrial values of the atp/adp and gtp/gdp ratios , the results are interpreted to indicate that the adenine nucleotide-linked enzyme functions as a component of the citric acid cycle whereas the guanine nucleotide-linked enzyme functions in the opposite metabolic direction to produce succinyl-coa from succinate .
C0018340
gdp
C0018328
guanine nucleotide