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Your centralized source for quality recombinant proteins and enzymes.

Browse our 3000+ catalog products:

We deliver high-quality recombinant proteins and enzymes that accelerate therapeutic development...

...offering a comprehensive catalog where versatility meets quality

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Produced & Tested In-House

Designed, expressed, and verified by us. Quality proteins from end to end.

Tailored Expression Systems

Proteins tested in 8-16 various expression conditions to determine the optimal settings.

High Purity & Bioactivity

Rigorous quality control testing for purity and bioactivity using HPLC, SPR, ELISA, etc.

Next-Day Shipping from Boston, MA

Catalog products shipped next-day from our inventory center in Boston, MA.

Browse Products by Application

Target Antigens for Drug Discovery

Bioactive target antigens for drug discovery campaigns.
Proteins for Drug Discovery

Gene Editing Products

GMP-Grade gene editing enzymes and AAV Titration ELISA Kits.
Gene Editing Enzymes

RNA Enzymes

Full portfolio of GMP-grade mRNA production enzymes.
RNA Production Enzymes

MHC Tetramers & Monomers

MHC-peptide complexes and peptide-ready MHCs.
MHC Complexes

Cell Therapy Products

CAR-T Targets, Laminin 521, Cytokines, & more.
Cell Therapy Proteins

Multi-Pass Transmembrane Proteins

VLP-Displayed Proteins

Full-length, mammalian expressed membrane proteins displayed on virus-like particles (VLPs) for enhanced immunogenicity

VLPs

Nanodisc-Displayed Proteins

Detergent-free extraction copolymer nanodiscs displaying full-length membrane proteins in their native conformation

Nanodiscs

MHC Monomers & Tetramers

Class I & Class II MHC-Peptide Complexes

MHC-peptide

MHC Monomers & Tetramers from mammalian & E. coli expression systems

Peptide-ready MHC

Load your own peptide in-house for a custom monomer or tetramer

Biotinylation or fluorescent label

Biotinylated MHC

Biotinylated MHC monomers or tetramers for TCR screening and more

Fluorescent MHC

Identify antigen-specific T Cells using FACS

MHC Complexes

GMP Gene Editing Enzymes

Cas9 Protein

Off-the-shelf wild-type Cas9 protein with NLS optimization, batch consistency, and high editing activity.

AccuBase® Base Editor

First commercially available base editor. Off-the-shelf editor engineered for near-zero off-target effects and high editing activity

Drug Discovery Collections

Immune Checkpoint Proteins
Immune Checkpoint Proteins
CD3 Proteins
CD3 Proteins
Fc Receptor Proteins
Fc Receptor Proteins
Integrin Proteins
Integrin Proteins
Chimeric Antigen Receptor T Cell Therapy (CAR-T) Proteins
Chimeric Antigen Receptor T Cell Therapy (CAR-T) Proteins
Cadherin Proteins
Cadherin Proteins

Trending Products

AAV Titration ELISA Kits

Quantification of AAV capsids for serotypes 2, 5, 6, 8, or 9 with high specificity to individual AAV serotypes, high sensitivity, and a broad linear range.
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AccuBase® Base Editor

GMP-Grade. Precise DNA cytosine base editor with minimal off-target effects, creating C->T mutations for gene knockout without DNA breaks.
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CD19 Proteins

Mammalian-expressed human CD19 proteins with high monomer rates. Various spcies and fluorescent options. In-stock catalog products.
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New Products This Month

Biotinylated Human CCR4 Protein-Nanodisc (CR4-HM4N188BF)

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Biotinylated Human GLP-1R Protein-Nanodisc (GLP-HM4N185BF)

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Biotinylated Human TM4SF15 Protein-Nanodisc (TSF15-HM4N174B)

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Human GLP-1R Protein-Nanodisc (GLP-HM1N123)

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Human LPAR1/LPA receptor 1 Protein-VLP (LPA-HM0P111)

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Upcoming Events

Festival of Biologics US

April 23-25, 2025

San Diego, California

Booth #1123

AACR Annual Meeting

April 27-30, 2025

Chicago, Illinois

Booth #3935

PEGS Summit

May 12-16, 2025

Boston, MA

Booth #801

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News & Articles

Why Endotoxin Testing Matters: Safeguarding Recombinant Protein Applications in Immunology and Drug Discovery

May 22, 2025

Why Endotoxin Testing Matters: Safeguarding Recombinant Protein Applications in Immunology and Drug Discovery

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The Landscape of GPCR-targeting Antibody Drug Development

May 9, 2025

The Landscape of GPCR-targeting Antibody Drug Development

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Nanodiscs: A Versatile Platform for Membrane Protein Research

Apr 28, 2025

Nanodiscs: A Versatile Platform for Membrane Protein Research

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For Better Symptom Relief: Targeted Therapy for Asthma

Apr 15, 2025

For Better Symptom Relief: Targeted Therapy for Asthma

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The Rise of Allogeneic Cell Therapies: Strategies, Challenges, and Clinical Advances

Apr 8, 2025

The Rise of Allogeneic Cell Therapies: Strategies, Challenges, and Clinical Advances

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At the Crossroads of Metabolic and Cancer Therapeutics — GDF15

Apr 1, 2025

At the Crossroads of Metabolic and Cancer Therapeutics — GDF15

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