Quality Built From the Very Beginning
ProBio’s cutting-edge biologics discovery platform & developability platform deliver
biologics candidate of high quality
2400+
18+
2
antibody discovery
projects
projects in clinical trials
and above
Projects
in the market
3 Technical Campaigns to
Optimize Antibody from
Developability Platform to
Guide CMC Strategy
Get Leads with Good Qualities
Developability and Functionality
Proprietary hybridoma platform
ProSpeedTM single B cell screening
Diversified library for both conven-
tional antibody & sdAb
Ab humanization
Colloidal stability study
Ab affinity maturation
Fc engineering
Molecular integrity study
Stressed stability (high temperature,
low pH, freeze and thaw)
Developability optimization
Developability
Study
Lead
Lead
Optimization
Generation
In Vivo
In Vitro
Pharmacology
Bioassay
Comprehensive Cell-based
In Vivo Pharmacology Platform
to Select Final Candidate
Assays to Narrow Down Leads
Bioassay of mAb-Fab/Fc domain
Bispecific Ab assay
ADC assay
Pharmacodynamics
Pharmacokinetics
Toxicology
CAR-T/NK assay, etc.
Breakthrough to Next Levels of Productivity
ProBio’s high-expressing, robust and well-proven cell line and process
technology ecosystem enables titer as high as 15g/L and saves up to 70% COGS
CHO cells & vectors
Proprietary CHO cells
CHOK1-GenS & CHOK1-ADCC+
(FUT8 knock-out)
Cell culture media
Process development
Proprietary UproCHOTM basal, feed
media & perfusion media developed
for ProBio CHOK1-GenS
Multiple cell culture processes
with titer guarantees
Fed-batch: >5g/L
Intensified Fed-batch: 5~10g/L
Perfusion: 30g/L
Proven to optimize cell growth,
productivity and product quality
when used in CHOK1-GenS
Proprietary high-expressing
pGenHT1.0-UP and ProMax vectors
mAb titer: average 7.5 g/L, up to 15 g/L
bsAb titer: average 7.0 g/L, up to 10 g/L
Process optimization achieved
up to 70% reduction in
manufacturing cost
Performing the highest titer in 27 of
37 (approx. 73%) projects among all
major brands
Recombinant protein titer: average
5.8g/L, up to 14.5g/L
Exhibiting lower Man5 proportion
than other major media brands
# Data by Dec. 2025
2