Your centralized source for quality recombinant proteins and enzymes.

Browse our 3000+ catalog products:

catalog products

3000+ Catalog Products

Over 3000 recombinant proteins carefully selected based on quality and research needs.

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-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

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

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.

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.

CD19 Proteins

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

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

News & Articles

Ensuring Safe and Effective Gene Therapy with Precise AAV Capsid Quantification

Mar 25, 2025

Cracking KRAS: How TCR-T and TCR-Mimic Antibodies Are Changing KRAS Mutant Cancers

Mar 18, 2025

Optimizing Large-scale Circular RNA Production Process with KACTUS Engineered RNase R

Mar 13, 2025

Breaking News: KACTUS GMP-Grade Cas9 Powers Bioheng’s Breakthrough IND Clearance for Next-Gen UCAR-T Therapy

Mar 5, 2025

NPR1: Major Drug Target for Heart Failure

Feb 25, 2025

Effective Serratia marcescens Nuclease for DNA & RNA Removal: MaxNuclease™

Feb 21, 2025

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