7 Reasons to Choose Upingbio

Risk-free customization—no fee unless successful.

Exceptional value, with prices starting as low as 3,500 RMB/mg

Supports multiple expression systems and offers a choice of 39 tags to suit various application scenarios and meet your specific needs

Purity up to 98% and endotoxin levels as low as 0.1 EU/μg

Capable of large-scale protein production (offering custom industrial-grade protein services ranging from milligram to gram scales)

Provides post-purification services such as desalting, aliquoting, sterile processing, and lyophilization

Extensive experience in membrane protein expression, backed by four major expression platforms to facilitate diverse membrane protein research applications

Note: This risk-free custom protein service applies only to proteins of up to 800 amino acids. For proteins exceeding 800 amino acids, a step-based pricing model applies.

Service Process

Customer-Supplied

Gene sequence

Final Deliverables

Purified protein with >85% purity;

Standard Certificate of Analysis (COA) and data sheet, including tag information, molecular weight, electrophoresis parameters, expression yield, concentration, purity, SDS-PAGE results, etc.

Service Advantages

16 years of experience in protein expression; a powerful combination of five major expression systems with complementary strengths to meet diverse protein expression needs

Offers a wide range of tags and post-purification services (desalting, tag removal, sterile processing, lyophilization, etc.) to satisfy varied experimental requirements

Our Commitment

Risk-free custom service for proteins up to 800 amino acids (AA) in length—no charge if the protein is not successfully produced

Capable of large-scale protein production (10 mg, 50 mg, 100 mg, 200 mg, etc.)