Carboxypeptidase A Substrate: Ac-Thia-Phe

Substrate to Detect Pancreatic Cancer

Fluorescence-Quenching Substrates

Fluorescence-quenched peptide substrates have been used to quantitate various enzyme activities.


FRETS-VWF73: Fluorescence-Quenching Substrate for ADAMTS-13

Fluorescence Resonance Energy Transfer Substrate (FRETS) Library for Determining Protease Specificity

Fluorescence Resonance Energy Transfer Substrates 25Xaa Series

MMP Substrates Reference Table - NEW!

A handy guide to Peptides International's substrates, classified by type.

MMP Substrates and Inhibitors - NEWLY UPDATED!

MMP Quick Reference Brochure

Proteasome Inhibitors - NEWLY UPDATED!

The Ubiquitin-Proteasome Pathway

Synthetic and Microbial Inhibitors - NEW!

Synthetic enzyme inhibitors and their comparable microbial versions

Antisera from the Peptide Institute and Yanaihara Institute

Our undiluted antisera are suitable for immunohistochemical use, for application to radioimmunoassay (RIA), or other non-isotopic immunoassay systems.

Carbohydrates and Conjugates - NEWLY UPDATED!

Each product is accompanied by its Peptide International catalog number, the product name, and quantity.