New Year - New Products!


With so many new products, 2018 is certainly off to a good start. Enjoy discovering them - and get in touch if you have any questions or need advice.

Tag-free membrane scaffold proteins and

tag-free assembled nanodiscs: for stabilizing his-tagged membrane proteins

Neurotensin receptor 1 (NTSR1) as the latest addition to our purified GPCR offering,

and three GFP variants: for method development and as control proteins.

CompactCartridges for FPLC purification, empty

or pre-filled with PureCube resins.

Six new ultrapure detergents, and a new screening set to try them out.




... and more new products are coming soon!


Who we are & what we do


We at Cube Biotech provide dedicated services and products for membrane protein applications that facilitate structure-based drug design, including expression, purification, and crystallization.

To ensure the highest quality in our service offering, we produce our own consumables, which we offer to the research community accompanied by dedicated protocols and handbooks, as well as tips & tricks for success.

As a small, flexible company, we address our customers' needs for standard and customized products at almost any scale.


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Our product groups:

Active, purified human GPCRs

Cell-free lysates for protein expression

Membrane protein stabilization

Combine vapor diffusion & lipidic cubic phase

High-quality protein purification matrices
specific resins for special applications
For protein purification from dilute samples & automation
For sensitive detection of recombinant proteins
For protein purification on chroma-tography workstations
For protein purifications using a centrifuge
Ultrapure detergents for membrane protein work

High-quality buffers & media easily prepared

Accessories for protein work