5-Amino-1MQ

5-Amino-1MQ is a small-molecule research compound that has been examined in laboratory studies as an inhibitor of nicotinamide N-methyltransferase (NNMT), a cytosolic enzyme found in several tissue types. It is included in research libraries as a chemical tool for probing NNMT-related biology in experimental models.

Research Background

NNMT was identified by researchers as an enzyme that transfers a methyl group from S-adenosyl-L-methionine (SAM) to nicotinamide, generating 1-methylnicotinamide (1-MNA) and S-adenosyl-L-homocysteine (SAH). Because this reaction sits at a junction between methylation chemistry and nicotinamide/NAD+ metabolism, NNMT drew scientific interest as a potential regulator of broader cellular processes.

A 2014 study examining reduced NNMT activity in fat cell models reported changes in body composition, glucose handling, and energy expenditure measures in mice. This work helped establish NNMT as a molecular target for further mechanistic study. Quinolinium-based NNMT inhibitors, including 5-Amino-1MQ, were subsequently reported in the scientific literature beginning in the late 2010s as chemical tools for testing this target in cell and animal models.

Mechanism of Action

Published research describes 5-Amino-1MQ as a substrate-competitive NNMT inhibitor, meaning it interacts with the region of the enzyme responsible for binding nicotinamide and SAM. By occupying this site, the compound has been reported to interfere with NNMT’s catalytic activity in experimental systems.

Because NNMT sits within both methylation chemistry (via SAM/SAH) and nicotinamide handling (linked to NAD+ salvage), inhibiting the enzyme has been studied as a way to examine downstream effects across several connected cellular pathways rather than a single isolated mechanism.

Research Areas

Published laboratory research involving 5-Amino-1MQ has explored several biological systems:

• Metabolism and adipose tissue biology: Studies in diet-induced obesity models in mice have examined fat tissue accumulation, glucose handling, and liver triglyceride levels following NNMT inhibition.
• Skeletal muscle biology: Preclinical research has investigated NNMT’s role in muscle stem cell activity, muscle tissue regeneration models, and age-related changes in muscle physiology.
• NAD+ and methylation pathways: Because NNMT consumes both nicotinamide and SAM, laboratory studies have used 5-Amino-1MQ to probe how NNMT inhibition intersects with NAD+ salvage biochemistry and cellular methylation balance.
• Oncology-related models: NNMT expression changes have been observed in certain cancer cell models, prompting some laboratory investigation of NNMT inhibition in this context.

Only research areas supported by published preclinical literature are reflected here.

Research Status

5-Amino-1MQ remains an investigational research compound. Published findings to date are derived from in vitro and animal model systems; results observed in these models cannot be assumed to translate to other biological systems. Limited published clinical research exists, but additional investigation is needed to further characterize its biological properties.

NNMT itself is a well-characterized enzyme with defined catalytic activity, but the broader physiological role of NNMT inhibition — and the significance of findings from preclinical models — continues to be an active area of scientific inquiry.

Regulatory Status

5-Amino-1MQ is an investigational research compound and has not been approved by the U.S. Food and Drug Administration (FDA). It is not evaluated by the World Anti-Doping Agency (WADA) for a defined regulatory category at this time. This compound is intended strictly for laboratory research use.

Laboratory Storage

• Store as a dry powder in a sealed container, protected from light and moisture.
• General laboratory reference sources indicate stability at room temperature for short-term handling, with refrigeration (2–8°C) or freezing recommended for longer-term storage.
• Reconstituted or solubilized material (e.g., in DMSO or aqueous buffer) is generally handled per standard laboratory practice for small-molecule reagents and stored frozen when not in immediate use.
• Laboratories should follow their own standard operating procedures and the specific certificate of analysis for the lot in question.

Research Use Only: 5-Amino-1MQ is intended exclusively for laboratory research and analytical purposes. It is an investigational research compound and has not been approved by the U.S. Food and Drug Administration (FDA).