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Peptide Inhibitors

High-Purity Peptides for Targeted Pathway Modulation

Overview

Peptide inhibitors are widely used in biomedical research to selectively modulate protein–protein interactions, enzyme activity, and intracellular signaling pathways. Due to their high specificity and tunable structure, peptide-based inhibitors provide a powerful alternative to small molecules, particularly in targeting interfaces that are difficult to access with conventional compounds. At LinkPeptide, we offer a comprehensive selection of peptide inhibitors designed for applications in cancer biology, immunology, metabolic research, and neuroscience. Each peptide is synthesized with rigorous quality control to ensure batch-to-batch consistency and reliable experimental outcomes.

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Agitoxin 2

Agitoxin 2

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alpha-cobratoxin
alpha-Dendrotoxin
AmmTX3

AmmTX3

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Angiotensin I Converting Enzyme Inhibitor
ANQ 11125

ANQ 11125

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Antisauvagine-30
APETx2

APETx2

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AR-M 1896

AR-M 1896

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ARA-290

ARA-290

$298.00
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Astressin 2B

Astressin 2B

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Asudemotide

Asudemotide

$388.00
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Atosiban

Atosiban

$198.00
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Autocamtide-2-related inhibitory peptide, myris...
B7-33

B7-33

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BA 1

BA 1

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Mechanism of Action

Peptide inhibitors typically function by mimicking endogenous binding motifs or disrupting critical interaction domains within signaling cascades. Common mechanisms include:
  • Competitive inhibition of enzyme active sites
  • Disruption of protein–protein interactions (PPIs)
  • Blocking receptor–ligand binding
  • Interference with phosphorylation or cleavage events
These mechanisms enable precise interrogation of signaling pathways such as MAPK, PI3K/AKT, JAK/STAT, and apoptosis-related cascades.

Applications

Peptide inhibitors are extensively used in:

Cancer Research

Investigating oncogenic signaling pathways and drug resistance mechanisms

Immunology

Modulating cytokine signaling and immune checkpoint pathways

Metabolic Disease Studies

Targeting insulin signaling, GLP-1 pathways, and metabolic enzymes

Neuroscience

Exploring neuropeptide signaling and synaptic regulation

Drug Discovery & Screening

Validating targets and benchmarking small molecule inhibitors

Why Choose LinkPeptide

  • High Purity Standards (typically ≥95%)
  • Customizable Modifications (e.g., phosphorylation, acetylation, labeling)
  • Sequence Verification & Analytical Data
  • Scalable Synthesis for Research Needs
Our peptide inhibitors are designed to meet the demands of reproducibility and precision required in advanced research environments.

Related Categories

Labeled Peptides → for tracking and imaging studies Peptide Substrates → for enzyme activity assays Cell-Penetrating Peptides → for intracellular delivery Bioactive Peptides → for functional biological studies

Supporting Resources

Explore our knowledge base for deeper insights:
  • How Peptide Inhibitors Improve Target Specificity
  • Selecting the Right Peptide for Kinase Assays
  • Advances in Peptide-Based Therapeutics
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