Search KLH Site
You Should Know

KLH is a large, immunostimulating protein used extensively in immunological research and vaccine development....more.

KLH is a limited natural resource, highly valued for....more.

Size and source matter. KLH protein's two subunit isoforms assemble into native didecamers of 4 million to 8 million molecular weight.  Because of its exceptional size....more.

Useful Links
Terms and Privacy
Amazing Giant Keyhole Limpet

The natural protein KLH is only found in the hemolymph of the Giant Keyhole Limpet (Megathura crenulata), a relatively scarce mollusk native to the Pacific waters off Southern California and Baja California, Mexico.

(c) 2012-2016 Stellar Biotechnologies, Inc.

Welcome to KLH Site™
Your resource for scientific and clinical information related to the use of keyhole limpet hemocyanin (KLH)

This site is dedicated to providing KLH information from around the world, in one convenient place.

Here you will find links to biomedical literature, breaking news of new vaccine development, and helpful information on KLH biochemistry and use.

Our readers are specialists in immunology, immunotoxicology and vaccine development.

Given that there are thousands of KLH-related references, KLH Site™ will evolve and expand over time.  We hope that you check back often.

To contribute to the site, click here