NAD+

OVERVIEW

Nicotinamide adenine dinucleotide is a naturally occurring cellular coenzyme that participates in redox reactions and supports multiple metabolic enzymes.

RESEARCH FOCUS

Cellular energy metabolism, redox biology, mitochondrial function, DNA-repair-related enzyme systems, and sirtuin biology.

CLASS / TYPE

Dinucleotide coenzyme / metabolic molecule

KEY PATHWAYS / TARGETS

NAD-dependent enzymes • sirtuins • PARP-related pathways • redox reactions

RESEARCH STATUS

Naturally occurring biological molecule; not a peptide.

COMMON RESEARCH AREAS

Cellular metabolism • mitochondrial biology • redox signaling • aging research • bioenergetics

RESEARCH NOTE

NAD+ is included for its relevance to cellular and metabolic research, although chemically it is not a peptide.