Through production and pyridine nucleotide interactions, photorespiration makes a key contribution to cellular redox homeostasis.
2.
The ability to utilize alternative reductants like ascorbic acid could substitute for a reduced pyridine nucleotide, but it act as inhibitory at higher concentrations.
3.
"' Flavoprotein pyridine nucleotide cytochrome reductases "'catalyse the interchange of reducing equivalents between one-electron carriers and the two-electron-carrying nicotinamide dinucleotides.
4.
GOGAT isoenzymes catalyze the transfer of the amido nitrogen of glutamine to 2-oxoglutarate using pyridine nucleotides ( NADH-/ NADPH-dependent ) or ferredoxin ( ferredoxin dependant ) as reductants.
5.
Niacin is an essential vitamin that supports energy metabolism and reactions involving biosynthesis and degradation as part of the pyridine nucleotide coenzymes, nicotinamide adenine dinucleotide ( NAD ) and nicotinamide adenine dinucleotide phosphate ( NADP ).
6.
Older literature often uses ambiguous names such as pyridine nucleotide transhydrogenase, transhydrogenase, NAD ( P ) + transhydrogenase, nicotinamide nucleotide transhydrogenase, NADPH-NAD + transhydrogenase, pyridine nucleotide transferase, or NADPH-NAD + oxidoreductase, which can equally apply to the more common NAD ( P ) + transhydrogenase ( " Re " / " Si "-specific ).
7.
Older literature often uses ambiguous names such as pyridine nucleotide transhydrogenase, transhydrogenase, NAD ( P ) + transhydrogenase, nicotinamide nucleotide transhydrogenase, NADPH-NAD + transhydrogenase, pyridine nucleotide transferase, or NADPH-NAD + oxidoreductase, which can equally apply to the more common NAD ( P ) + transhydrogenase ( " Re " / " Si "-specific ).
8.
Partial synteny of the ?r9 genomic regions was observed in a few cases such as, " S . medicae " where instead of a " proS " gene an FAD-dependent pyridine nucleotide-disulfide oxidoreductase encoding gene was found upstream of the ?r9 locus, and " Mesorhizobium loti " where no transmembrane coding gene was recognizable downstream of the sRNA gene.
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