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Welcome to the Alliance Protein Laboratories web site! APL offers contract research services in the areas of proteinDoes APL only work with proteins? and peptide biophysical characterization, protein aggregation, protein purification, and protein stabilization. If you are looking for analytical ultracentrifugation (AUC), circular dichroism, light scattering, DSC, fluorescence, or native gel analysis of your biotech product, or help with your protein aggregation problems, you have found the right place! We have now done such analysis on literally hundreds of products, giving our scientists unparalleled experience.


On June 30, 2017 APL was acquired by KBI Biopharma (see the press release here). KBI Biopharma is an industry leading CDMO with strong and well-established analytical capabilities which align well with those of APL. KBI is committed to maintaining its strong focus in protein analytics along with its development and manufacturing capabilities.

We are excited that our combined organization will be able to offer a much broader range of analytical services. Among those are peptide mapping, glycan analysis, and a world-class subvisible and submicron Particle Characterization Core Facility to complement APL's strength in aggregation analysis. KBI also provides full formulation development for proteins, peptides, and vaccines, as well as complete process development and cGMP manufacturing services. All these services will now be available to APL's clients.

APL will maintain our management team, all current staff, and our identity as Alliance Protein Laboratories. This partnership will also expand capacity and provide redundancy for some of our current biophysical techniques.

Please bear with us over the coming months as we work to merge our capabilities and business procedures with our new partner.

A company profile and contact information can be found below. 

Why should you choose APL?

  1. We've been doing this for over 18 years and have completed over 2,100 projects for 400+ clients world-wide.
  2. At APL the experiments and data interpretation are done by recognized experts with extensive experience in these biophysical techniques, not by a technician, and on our own equipment, not in a university lab.
  3. We've already worked with over 250 biotherapeutics and vaccines, including most of the major biotech products (cytokines, interferons, growth factors, scores of monoclonal antibodies, vaccines, viral vectors for gene therapy ...), and we have already been working with biosimilars for over 13 years. That collective experience helps us interpret our data, and can help get your product to the patients who need it!

If you are even thinking about using another company for biophysical analysis see questions you need to ask a biophysical lab.

About our web site

Follow these links below to learn more about the characterization, purification, and consulting services we provide to the biotechnology and pharmaceutical industry, and about our people. Our further reading page has many of our publications, talks, and posters that illustrate how we apply biophysical characterization methods.

Characterization Services Purification Consulting People FAQs Lab Tour Driving Directions Careers Contact Form Site Map

The Frequently Asked Questions (FAQs) page covers topics such as fees, turn-around, confidentiality, academic collaborations, and other aspects of doing business with us. The Lab Tour will tell you more about our facilities and location. Before you visit our lab check Driving Directions.

Please also visit our Other Related Services page to find links to other quality contract research labs founded by former Amgen colleagues.

Company Profile

Alliance Protein Laboratories is a contract research and consulting firm specializing in biophysical analysis. We offer:

A.P.L. is a spin-off from the Protein Chemistry department at Amgen. It was founded in 1998 by Drs. Tsutomu Arakawa and John Philo. Our laboratory is located in the heart of the biotechnology cluster in San Diego, CA. Our clients include over 250 companies in North America, Europe, Asia, and Australia as well as major universities and non-profit institutes.

Contact Information

Alliance Protein Laboratories
6042 Cornerstone Court West, Suite A
San Diego, CA 92121
(note: we cannot receive shipments marked for 7-8 am delivery or Saturday delivery. If your sample shipment includes temperature monitors, please provide packaging and shipping documentation for their return.)
You can use this Contact Form to send us an e-mail, or use the convention firstname.lastname @ our domain,


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