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Praesto® Protein A Chromatography Solutions


Efficient, scalable resin solutions for mAb purification

Praesto Jetted A50

The only uniform particle size Protein A resin on the market. Praesto Jetted A50 offers industry-leading performance for purification of monoclonal antibodies and recombinant proteins. 

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Praesto AP+

A new high capacity, alkaline-stable Protein A affinity chromatography resin. Praesto AP+ is designed to perform comparably to MabSelectTM SuRe LX*.

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Praesto AC

Praesto AC is a cost-effective Protein A chromatography resin, purpose-designed for capture of monoclonal antibodies with a VH3 binding domain.

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Custom Resin Design

Patented Jetting technology produces uniform agarose beads at custom sizes. Praesto Jetted resin beads have significant performance advantages over other products on the market.

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VIEW | Protein A resin selection guide

Use our selection guide to select the right resin for your process.

WATCH | Our 30 day lead time commitment

Ensuring a secure supply of Protein A resins for our customers

Best-in-class Protein A resin

Praesto Jetted A50 is manufactured with patented Jetting technology, to save you time in facility, improve your lot-to-lot reproducibility and streamline your mAb separations.

Direct drop-in replacement resins

Do you need replacement high-performance resins quickly? We supply a selection of Protein A resins designed as equivalents to market-leading resins such as the MabSelect™* range. For fast delivery and improved security of supply.

Are your current Protein A resin lead times too long?

Fast, reliable supply of best-in-class Protein A agarose resin, expertly designed as a direct, drop-in replacement for MabSelect™ SuRe™ LX*

*MabSelect is a registered trademark of Cytiva Life Sciences