Date published: 2026-5-6

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ALDH5A1 Inhibitors

ALDH5A1 inhibitors belong to a distinct class of compounds that specifically target the enzyme aldehyde dehydrogenase 5 family member A1 (ALDH5A1). Aldehyde dehydrogenases (ALDHs) are a family of enzymes crucial for the detoxification of endogenous and exogenous aldehydes by catalyzing their conversion to non-reactive carboxylic acids. ALDH5A1, specifically, plays a pivotal role in the catabolism of proline, an essential amino acid involved in various physiological processes, including collagen synthesis and neurotransmission. The inhibition of ALDH5A1 alters the metabolic fate of proline, disrupting the equilibrium of cellular homeostasis.

ALDH5A1 inhibitors typically possess a structural motif designed to interact with the active site of the enzyme, thereby impeding its catalytic activity. Rational drug design strategies focus on optimizing the binding affinity and specificity of these inhibitors to ALDH5A1, ensuring a selective blockade of proline catabolism without interfering with other ALDH isoforms. The development of ALDH5A1 inhibitors is rooted in the understanding of the enzyme's role in cellular processes, particularly in the context of metabolic regulation. Researchers in the field strive to elucidate the structural and biochemical nuances of ALDH5A1 inhibition, contributing to the advancement of knowledge in enzyme-targeted drug discovery. The potential applications of ALDH5A1 inhibitors in various scientific domains underscore their significance in unraveling the complexities of cellular metabolism and may pave the way for novel insights into the regulation of proline-dependent pathways.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Disulfiram

97-77-8sc-205654
sc-205654A
50 g
100 g
$53.00
$89.00
7
(1)

Interacts with the aldehyde dehydrogenase (ALDH) family by binding to the catalytic and structural zinc sites, which leads to the inhibition of enzyme activity.

Cyanamide

420-04-2sc-239592
sc-239592A
5 g
25 g
$21.00
$79.00
(0)

Acts on the ALDH enzymes by carbamylating the active site cysteine residues, thus affecting the enzyme's activity.

Daidzin

552-66-9sc-202123
sc-202123A
1 mg
5 mg
$72.00
$137.00
1
(0)

A natural isoflavone that selectively inhibits ALDH2, and although ALDH5A1 is different, the structural similarities can lead to inhibition.

Trichloroacetaldehyde-13C2

sc-474862
2.5 mg
$380.00
(0)

Metabolized to chloral, which then can form a reversible complex with NAD+ at the ALDH catalytic site.

Citral

5392-40-5sc-252620
1 kg
$212.00
(1)

A monoterpenoid that can inhibit various ALDH isoforms by binding to the active site or the coenzyme NAD+.

Omeprazole

73590-58-6sc-202265
50 mg
$67.00
4
(1)

A proton pump inhibitor that can inhibit ALDH by covalently binding to cysteine residues at the active site.

Metformin

657-24-9sc-507370
10 mg
$79.00
2
(0)

Primarily an antidiabetic drug that inhibits complex I of the mitochondrial respiratory chain, which can reduce NADH and indirectly affect ALDH5A1 activity.