Date published: 2026-4-24

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GABA T-2 Inhibitors

GABA T-2 inhibitors are chemicals with the shared characteristic of interfering with the activity of GABA Transaminase 2, an enzyme crucial for the catabolism of the neurotransmitter GABA. Vigabatrin and Gabaculine, for instance, act directly on GABA T-2. Vigabatrin forms an irreversible bond with the enzyme, it from converting GABA to succinic semialdehyde. Gabaculine acts by forming a covalent bond with pyridoxal phosphate (PLP) in the enzyme's active site. Other inhibitors act indirectly by affecting pathways that eventually modulate the activity or levels of GABA T-2. Phenelzine, an MAO inhibitor, inhibits the degradation of GABA, thereby affecting GABA T-2 indirectly. Similarly, Valproic Acid inhibits GABA transaminase, contributing to elevated GABA levels that inhibit GABA T-2. A distinct subgroup of GABA T-2 inhibitors acts by modulating ion channels or neurotransmitter receptors that indirectly influence GABA T-2. For example, Lamotrigine modulates voltage-gated sodium channels and stabilizes neuronal membranes, enhancing GABA availability. Riluzole inhibits both sodium channels and glutamate release, ultimately affecting GABA T-2 by stabilizing cellular excitability. Baclofen, a GABA(B) receptor agonist, and Muscimol, a GABA(A) receptor agonist, further contribute to modulating GABA T-2 by affecting the receptors that in turn influence GABA levels and its catabolism. These chemicals showcase the intricate network of biochemical pathways that can be manipulated to modulate GABA T-2 activity.

Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

(S)-SNAP 5114

157604-55-2sc-204257
sc-204257A
5 mg
25 mg
$173.00
$571.00
(0)

(S)-SNAP 5114 acts as a GABA transaminase inhibitor, exhibiting a distinctive mechanism that alters neurotransmitter metabolism. This compound selectively binds to the enzyme, leading to a reduction in GABA degradation and an increase in its availability. The reaction kinetics reveal a competitive inhibition pattern, enhancing GABAergic signaling. Additionally, (S)-SNAP 5114's structural features allow for specific interactions with active site residues, influencing enzyme conformation and activity.

Vigabatrin

60643-86-9sc-204382
sc-204382A
sc-204382B
sc-204382C
10 mg
50 mg
100 mg
1 g
$125.00
$485.00
$650.00
$1015.00
2
(1)

Irreversible GABA transaminase inhibitor, directly inhibits GABA T-2, leading to an increase in GABA levels.

NNC 05-2090 hydrochloride

184845-43-0sc-204131
sc-204131A
10 mg
50 mg
$235.00
$978.00
(0)

NNC 05-2090 hydrochloride functions as a GABA transaminase inhibitor, characterized by its unique binding affinity to the enzyme's active site. This compound exhibits a non-competitive inhibition profile, modulating the enzymatic activity without competing directly with the substrate. Its structural attributes facilitate distinct molecular interactions, stabilizing the enzyme in a conformation that reduces GABA catabolism, thereby influencing metabolic pathways and neurotransmitter dynamics.

Phenethyl-hydrazine

51-71-8sc-331686
500 mg
$396.00
(0)

MAO inhibitor also known to inhibit GABA transaminase. Inhibits degradation of GABA, affecting GABA T-2 function indirectly.

Valproic Acid

99-66-1sc-213144
10 g
$87.00
9
(1)

Inhibits GABA transaminase, elevating GABA levels and inhibiting GABA T-2.

Lamotrigine

84057-84-1sc-201079
sc-201079A
10 mg
50 mg
$120.00
$486.00
1
(1)

Modulates voltage-gated sodium channels, indirectly influences GABA T-2 by stabilizing neuronal membranes and enhancing GABA availability.

Riluzole

1744-22-5sc-201081
sc-201081A
sc-201081B
sc-201081C
20 mg
100 mg
1 g
25 g
$20.00
$193.00
$213.00
$317.00
1
(1)

Inhibits voltage-gated sodium channels and glutamate release; influences GABA T-2 by stabilizing cellular excitability.

(±)-Baclofen

1134-47-0sc-200464
sc-200464A
1 g
5 g
$56.00
$258.00
(1)

GABA(B) receptor agonist; inhibits cAMP formation, leading to decreased intracellular calcium and modulating GABA T-2 action.

Muscimol

2763-96-4sc-200460
sc-200460A
5 mg
25 mg
$161.00
$537.00
2
(1)

GABA(A) receptor agonist; influences GABA T-2 by reducing GABA reuptake, leading to higher extracellular GABA levels.

L-NG-Nitroarginine Methyl Ester (L-NAME)

51298-62-5sc-200333
sc-200333A
sc-200333B
1 g
5 g
25 g
$48.00
$107.00
$328.00
45
(1)

NOS inhibitor that decreases nitric oxide, which regulates GABAergic signaling, thereby affecting GABA T-2 indirectly.