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The Science

How peptide classes work

Most research peptides fall into a handful of families, each defined by the receptor it binds and what that binding triggers. Learn the class and you already understand most of what any single compound inside it does.

A peptide is a short chain of amino acids that behaves like a signalling molecule: it docks onto a specific receptor and sets off a downstream response. Compounds that share a receptor, and the cascade behind it, share a research profile. That is why these docs are organised by family rather than by product name.

Classes, not compounds

Once you know which receptor a peptide targets, you can predict the broad strokes of how it behaves. Two incretin agonists work through the same gut-hormone pathway; two GHRH analogues both nudge the pituitary. The class tells you the mechanism, the half-life range, and the kind of research questions a compound is studied for. The individual compound just fine-tunes selectivity, potency or stability within that frame.

The shortcut

When you meet an unfamiliar compound, find its family first. The family page will explain the receptor and mechanism in research terms; the compound itself is usually a variation on that theme.

The families at a glance

The catalogue and these docs group everything into five mechanistic families. Each has its own page.

Reading the catalogue

Every product on the store maps to one of those five families. The class is the quickest way to understand what a compound is studied for, before you ever look at a molecular weight or sequence.

1

Find the family

Match the product to one of the five families above. The receptor it targets defines the mechanism.

2

Read the family page

It explains, in research terms, what the receptor does and what study models look at.

3

Check the specifics

Use the reference library for molecular weight, CAS and class, then confirm availability on the store.

Browse the full range on the products page, or look any single compound up, including its molecular weight and class, in the compound library.