Date published: 2026-4-21

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PEPT1 Activators

PEPT1 Activators belong to a chemical class of compounds that are involved in the modulation of the PEPT1 protein, also known as the Proton-Coupled Oligopeptide Transporter 1. PEPT1 is a membrane protein primarily expressed in the epithelial cells of the small intestine and the proximal tubules of the kidney. It plays a pivotal role in the absorption of di- and tripeptides from the intestinal lumen into the enterocytes, which are the absorptive cells of the small intestine. Additionally, PEPT1 is responsible for the reabsorption of peptides from the renal tubular fluid in the kidney. This transporter uses a proton gradient to actively transport di- and tripeptides across the cell membrane, contributing to the uptake of dietary protein breakdown products and the conservation of amino acids in the body. PEPT1 Activators are small molecules designed to interact with PEPT1, influencing its transport activity and, consequently, the absorption of peptides.

The mechanism of action of PEPT1 Activators typically involves binding to specific regions of the PEPT1 transporter, inducing conformational changes that may affect its transport function or interactions with substrate peptides. By modulating PEPT1 activity, these activators impact the rate at which di- and tripeptides are taken up by intestinal and renal epithelial cells. Research into PEPT1 Activators provides valuable insights into the complex regulatory mechanisms governing peptide absorption and amino acid homeostasis. Understanding how these activators interact with PEPT1 contributes to our knowledge of the intricate processes involved in nutrient absorption and renal reabsorption.

SEE ALSO...

Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Gly-Sar

29816-01-1sc-471717
sc-471717A
1 g
5 g
$112.00
$347.00
(0)

Glycylsarcosine (Gly-Sar) is a dipeptide that acts as a substrate and hence an activator for PEPT1. It increases the transport efficiency of the transporter by binding to its active site, thereby facilitating the study of its transport kinetics.

Valacyclovir Hydrochloride

124832-27-5sc-204937
sc-204937A
50 mg
100 mg
$119.00
$153.00
(0)

Valacyclovir Hydrochloride is known to be actively transported by PEPT1, thereby increasing its oral bioavailability. This prodrug activation is a key example of utilizing PEPT1's transport mechanism for therapeutic purposes.

Dabigatran

211914-51-1sc-481166
5 mg
$205.00
1
(0)

Dabigatran etexilate, an oral anticoagulant, is a compound that is effectively transported by PEPT1. This transport enhances the drug's bioavailability, showcasing PEPT1's role in facilitating the absorption of certain pharmaceutical compounds.

Cephalexin

15686-71-2sc-211053
sc-211053A
sc-211053B
sc-211053C
5 g
100 g
250 g
1 kg
$119.00
$131.00
$235.00
$474.00
(0)

Cephalexin is a compound known to interact with PEPT1. Its molecular structure enables it to bind and be transported by PEPT1, potentially increasing its intestinal absorption.

L-Alanyl-L-1-aminoethylphosphonic acid

60668-24-8sc-257647
250 mg
$221.00
(0)

L-Alanyl-L-1-aminoethylphosphonic acid utilizes PEPT1 for its transport. This interaction highlights the potential of PEPT1 in aiding the absorption of peptide-like antibiotics.

Bestatin

58970-76-6sc-202975
10 mg
$131.00
19
(3)

Bestatin, an inhibitor of aminopeptidases, can also interact with PEPT1, possibly increasing its cellular uptake in PEPT1-expressing tissues.

Doxorubicin

23214-92-8sc-280681
sc-280681A
1 mg
5 mg
$176.00
$426.00
43
(3)

Doxorubicinol, has been shown to interact with PEPT1, suggesting a role in its cellular transport.

Gly-Pro

704-15-4sc-255188
10 g
$443.00
(0)

Gly-Pro, a dipeptide, can be transported by PEPT1, indicating its role as a PEPT1 activator by serving as a substrate.

1,1-Dimethylbiguanide, Hydrochloride

1115-70-4sc-202000F
sc-202000A
sc-202000B
sc-202000C
sc-202000D
sc-202000E
sc-202000
10 mg
5 g
10 g
50 g
100 g
250 g
1 g
$20.00
$43.00
$63.00
$156.00
$260.00
$510.00
$31.00
37
(1)

1,1-Dimethylbiguanide, Hydrochloride has been studied for its interaction with PEPT1, suggesting potential implications in its intestinal absorption.

L-Glutamine

56-85-9sc-391013
sc-391013C
sc-391013A
sc-391013D
sc-391013B
100 g
250 g
1 kg
5 kg
10 kg
$37.00
$47.00
$99.00
$379.00
$733.00
2
(0)

This dipeptide is a substrate for PEPT1, indicating its role in activating the transporter by enhancing peptide transport.