Date published: 2026-5-30

1-800-457-3801

SCBT Portrait Logo
Seach Input

t-GMP Inhibitors

t-GMP inhibitors are a class of chemical compounds that function by specifically targeting and inhibiting the enzymatic activity involved in the synthesis or utilization of thioguanosine monophosphate (t-GMP). t-GMP is one of the nucleotides that can be incorporated into nucleic acids, such as DNA and RNA, and plays a significant role in various biochemical processes related to nucleic acid metabolism. By inhibiting the enzymes responsible for the conversion of precursor molecules into t-GMP or those involved in utilizing t-GMP within nucleic acid pathways, these inhibitors can disrupt the normal metabolic flux of purine nucleotides. This disruption has a cascading effect on nucleotide pools, which can influence a wide range of cellular activities such as replication, transcription, and repair, depending on the organism and cellular system.

The inhibition of t-GMP-specific enzymes often involves compounds designed to mimic natural substrates or analogs, allowing them to compete at the active sites of enzymes responsible for t-GMP biosynthesis or modification. The structural basis of t-GMP inhibitors may include modifications that resemble the guanine base or the ribose phosphate backbone, which allows them to bind effectively with target enzymes but not undergo the usual catalytic transformations. Such inhibitors can be highly specific, acting on distinct steps in the pathway of t-GMP synthesis or utilization. Furthermore, the study of t-GMP inhibitors often provides insights into the detailed mechanisms of nucleotide metabolism and the role of purine derivatives in cellular regulation and signaling, highlighting their significance in understanding nucleic acid biochemistry at the molecular level.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Methotrexate

59-05-2sc-3507
sc-3507A
100 mg
500 mg
$94.00
$213.00
33
(5)

Methotrexate competitively inhibits the enzyme dihydrofolate reductase (DHFR), an enzyme that participates in the tetrahydrofolate synthesis. The inhibition of DHFR leads to a decrease in the production of tetrahydrobiopterin (BH4), a cofactor for the synthesis of the neurotransmitters dopamine, serotonin, and norepinephrine, which can inhibit t-GMP activity.

Allopurinol

315-30-0sc-207272
25 g
$131.00
(0)

Allopurinol is an inhibitor of xanthine oxidase, an enzyme that converts xanthine to uric acid. By inhibiting this enzyme, allopurinol can lead to decreased levels of uric acid, which is structurally similar to guanine. Reduced availability of guanine derivatives can in turn lead to reduced synthesis of guanosine monophosphate (GMP), thereby inhibiting t-GMP.

Mycophenolic acid

24280-93-1sc-200110
sc-200110A
100 mg
500 mg
$69.00
$266.00
8
(1)

Mycophenolic acid inhibits inosine monophosphate dehydrogenase (IMPDH), an enzyme vital in the de novo synthesis of guanine nucleotides. Inhibition of IMPDH can result in decreased levels of guanine nucleotides, including GMP, and thereby functionally inhibit t-GMP by limiting its substrate availability.

Ribavirin

36791-04-5sc-203238
sc-203238A
sc-203238B
10 mg
100 mg
5 g
$63.00
$110.00
$214.00
1
(1)

Ribavirin is known to inhibit inosine monophosphate dehydrogenase (IMPDH), leading to a depletion of guanine nucleotides and accumulation of inosine monophosphate (IMP). This reduction in guanine nucleotide pools can functionally inhibit the activity of t-GMP by limiting the availability of its guanine-based substrates.

Mycophenolate mofetil

128794-94-5sc-200971
sc-200971A
20 mg
100 mg
$37.00
$109.00
1
(1)

Mycophenolate mofetil is an ester prodrug of mycophenolic acid which, upon hydrolysis to its active form, inhibits inosine monophosphate dehydrogenase (IMPDH) and thus can decrease the de novo synthesis of guanine nucleotides. This results in a reduced pool of GMP, which is necessary for t-GMP function, thereby inhibiting t-GMP.

Tiazofurin

60084-10-8sc-475805
5 mg
$449.00
(0)

Tiazofurin is metabolized to thiazole-4-carboxamide adenine dinucleotide, which is an inhibitor of inosine monophosphate dehydrogenase (IMPDH). By inhibiting IMPDH, it reduces the pool of guanine nucleotides. This means less GMP is available for processes involving t-GMP, thus functionally inhibiting t-GMP activity.

Mizoribine

50924-49-7sc-359617
sc-359617A
10 mg
25 mg
$109.00
$228.00
(0)

Mizoribine is an immunosuppressive agent that inhibits inosine monophosphate dehydrogenase (IMPDH). By doing so, it reduces the availability of guanine nucleotides required for RNA and DNA synthesis. This reduced availability of guanine nucleotides can lead to a functional inhibition of t-GMP.

Oxipurinol

2465-59-0sc-208138
sc-208138A
100 mg
500 mg
$222.00
$759.00
1
(1)

Oxipurinol is the active metabolite of allopurinol and serves as a xanthine oxidase inhibitor. It leads to decreased uric acid synthesis and could also reduce guanine availability. This decrease in guanine compounds can inhibit the synthesis of GMP and thereby functionally inhibit the activity of t-GMP.

Acyclovir

59277-89-3sc-202906
sc-202906A
50 mg
500 mg
$150.00
$940.00
2
(2)

Acyclovir is a guanosine analogue that, when phosphorylated, can inhibit DNA polymerase. While it is more common in viral DNA polymerase inhibition, its analogue nature means it could compete with guanine nucleotides, potentially leading to a decrease in the available pool of GMP for t-GMP activities, thus functionally inhibiting t-GMP.