The formation from simpler components of a purine nucleotide, a compound consisting of nucleoside (a purine base linked to a deoxyribose or ribose sugar) esterified with a phosphate moiety at either the 3' or 5'-hydroxyl group of its glycose moiety.

The process of introducing a phosphoric group into a nucleoside diphosphate to produce a nucleoside triphosphate.

Any process which produces a purine nucleoside from derivatives of it, without de novo synthesis.

The formation from simpler components of AMP, adenosine monophosphate.

adenine, hypoxanthine and their nucleoside salvage

Any process that generates adenine, 6-aminopurine, from derivatives of it without de novo synthesis.

The breakdown into simpler components of purine nucleoside, one of a family of organic molecules consisting of a purine base covalently bonded to a sugar ribose (a ribonucleoside) or deoxyribose (a deoxyribonucleoside).

The formation from simpler components of cyclic GMP, guanosine 3',5'-phosphate.

The formation from simpler components of GTP, guanosine triphosphate.

The formation from simpler components of IMP, inosine monophosphate.

The formation from simpler components of the nucleotide cAMP (cyclic AMP, adenosine 3',5'-cyclophosphate).

The formation from simpler components of ADP, adenosine 5'-diphosphate.

The formation from simpler components of dADP, deoxyadenosine diphosphate (2'-deoxyadenosine 5'-diphosphate).

The formation from simpler components of GMP, guanosine monophosphate.

mitochondrial electron transport, NADH to ubiquinone

oxidative phosphorylation, NADH to ubiquinone

The transfer of electrons from NADH to ubiquinone that occurs during oxidative phosphorylation, mediated by the multisubunit enzyme known as complex I.

mitochondrial electron transport, succinate to ubiquinone

oxidative phosphorylation, succinate to ubiquinone

The transfer of electrons from succinate to ubiquinone that occurs during oxidative phosphorylation, mediated by the multisubunit enzyme known as complex II.

mitochondrial electron transport, ubiquinol to cytochrome c