Please Note
1. This promotion begins on February 1st, 2025 and is available in North America only.
2. This offer cannot be combined with any other promotions.
3. Enjoy 20% off all in-stock recombinant protein products during the event.
4. Register an account and order recombinant protein products on our website to earn double points.
5. For any questions or concerns, please contact us at:
Sales@MedChemExpress.com or US-marketing@MedChemExpress.com
6. This promotion is not applicable for products purchased through third-party platforms or other resellers.
7. All rights of interpretation are reserved by MedChemExpress.
Recombinant Proteins
MedChemExpress (MCE) offers a wide range of recombinant proteins, including cytokines, enzymes, growth factors, hormones, receptors, transcription factors, and antibody fragments. These proteins play a vital role in a variety of cellular processes, including cell growth, signal transduction, and cell differentiation. They serve as indispensable tools for elucidating protein structure and function, interrogating the mechanisms of diseases, and validating potential drug targets.
Over 12,000 Recombinant Protein Products
  • • Superior purity: surpassing 95%
  • • Low endotoxin levels: < 0.1 EU/μg
  • • Outstanding bioactivity
  • • Flexible package size options available
  • • Excellent lot-to-lot consistency
MCE All Recombinant Proteins
Cytokines and
Growth Factors
IL-2 Protein IFN-gamma Protein
TGF beta 1 Protein EGF Protein
FGF-12 Protein TRAIL/TNFSF10 Protein
Immune Checkpoint
Proteins
PD-1 Protein PD-L1 Protein
CTLA-4 Protein CD40 Protein
TIM-3/HAVCR2 Protein CD47 Protein
CAR-T Related
Proteins
BCMA/TNFRSF17 Protein CD19 Protein
EpCAM/TROP1 Protein HER3 Protein
CD38 Protein Siglec-2/CD22 Protein
CD Antigens
CD3 epsilon Protein CD8 beta Protein
B7-1/CD80 Protein CD4 Protein
IL-17RA Protein CD161 Protein
Fc Receptors
IgG1 Protein Fc gamma RIIIA/CD16a Protein
CD64 Protein IgG2A Fc Protein
IgE Protein FCRL1 Protein
Receptor Proteins
GLP1R Protein TrkB Protein
PVR/CD155 Protein Siglec-15 Protein
Enzymes & Regulators
Cathepsin A Protein ACE2 Protein
MMP-9 Protein Aminopeptidase N/APN Protein
Complement System
Complement C3/C3a Protein Complement C5/C5a Protein
MBL1 Protein Complement Factor D/Adipsin Protein
CFHR2 Protein CFHR1 Protein
Ubiquitin Related Proteins
UCHL1 Protein USP14 Protein
KEAP1 Protein UBE2I Protein
Biotinylated Proteins
PCSK9 Protein (Biotinylated) PD-L1 Protein (Biotinylated)
Siglec-15 Protein (Biotinylated) CD79B Protein (Biotinylated)
Viral Proteins
SARS-CoV S Protein SARS-CoV-2 S Protein
NA/Neuraminidase Protein MERS-CoV Spike/S1 Protein
Ebola virus Glycoprotein/GP Protein Protein E6
GMP-Grade Proteins
GMP IL-1 alpha Protein GMP IL-6 Protein
GMP IFN-gamma Protein GMP Vitronectin Protein
GMP TNF-alpha/TNFSF2 Protein GMP IL-4 Protein
Animal-free Recombinant
Proteins
Animal-Free G-CSF Protein Animal-Free IFN-beta Protein
Animal-Free IFN-gamma Protein Animal-Free IL-1 beta Protein
Animal-Free Noggin Protein Animal-Free SCF Protein
Brochure:

MedChemExpress
Proteins Handbook