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Yeast Display based Peptide Discovery Services

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Advanced Yeast Display Technology Platform & One-stop Services

Conventional bacterial display lacks eukaryotic post-translational modification machinery, hindering proper folding of complex or constrained peptides and resulting in false positives and poor in vivo translatability. Our yeast display platform leverages eukaryotic secretion, chaperones and native PTM pathways to identify therapeutically relevant functional peptides, yielding low nM-to-pM high-affinity binders and epitope-specific peptides compatible with cyclic/stapled formats, while enabling screening against intractable targets including GPCRs and ion channels. Powered by AI-augmented ultra-large libraries, we deliver validated peptide leads from target antigens, with comprehensive binding data, sequence IDs and off-target profiling to boost hit rates and minimize downstream attrition.
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Fig.1 Lab Precision (Creative Biolabs AI)

Comprehensive Customized Services Empowering the Discovery and Development of Your Target Peptides.

Creative Biolabs provides a mature and robust yeast display system, dedicated to accelerating the discovery and development of target proteins and antibodies. We offer a full spectrum of customized services to fully support your entire project workflow for binder discovery based on yeast display technology.

Fig.2 Reagent bottle (Creative Biolabs AI)

Yeast Display based MHC-Peptide Discovery
Construct high-diversity peptide libraries via yeast display technology to simulate the antigen processing process, and screen neoantigens or epitopes with high affinity binding to specific MHC molecules (HLA-A, B, C, etc.).

Fig.3 Test tubes (Creative Biolabs AI)

Yeast Display based Evolutionary Optimization of Peptide
For existing lead peptides, secondary libraries are constructed via error-prone PCR or saturation mutagenesis. Mutants with stronger binding affinity (pM-level KD) or superior stability are strictly screened by FACS.

Fig.4 Microscope (Creative Biolabs AI)

Yeast Display based Ligand-Receptor Interaction
We offer ligand identification for receptors and comprehensive ligand library screening against specific receptors, to elucidate key interaction sites in signal transduction pathways.

Fig.5 Titration (Creative Biolabs AI)

Yeast Display based PTM Analysis in Peptide
Endogenous yeast modification enzymes or exogenously engineered enzymes such as kinases and glycosyltransferases are utilized to display peptides bearing phosphorylation, glycosylation and other post-translational modifications, for the screening of PTM-dependent specific antibodies and binding proteins.

Fig.6 Pipette (Creative Biolabs AI)

Yeast Display based AI-Driven Peptide Library Design & Screening
Integrate machine-learning algorithms such as deep learning and generative models with yeast display technology. Primary data obtained from the first round of screening is used to train models for predicting and optimizing secondary libraries with higher affinity.

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Professional Technical Platforms for Yeast Display Peptide Business

Our Yeast Display Platform leverages the eukaryotic secretory pathway, enabling proper folding and post-translational modifications of complex peptides. The covalent linkage between genotype and phenotype allows direct flow cytometry screening with quantitative affinity resolution. Key capabilities include: multi-parameter sorting, magnetic enrichment for rare clones, and compatibility with both linear and constrained peptide libraries. Yeast's large surface enables robust expression of difficult peptides (hydrophobic, cyclic, phosphorylated).

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Why Choose Us

PTM Fidelity Preserved

Yeast's eukaryotic machinery ensures proper phosphorylation, glycosylation, and proline isomerization – crucial for functional peptide therapeutics.

High-throughput FACS sorting

Multi-parametric sorting at >108 events; we routinely recover rare clones with sub-nanomolar affinity.

Proprietary yeast strains + libraries

Engineered strains reduce background and increase transformation efficiency. Our semi-synthetic peptide libraries cover loop, linear, and constrained architectures.

Evidence-backed track record

A proven history of successfully executed peptide discovery projects. Our robust platform ensures high library diversity and predictable, efficient lead identification aligned with your research timelines.

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Explore Related Solutions

Explore our complete suite of yeast display technology offerings:

Yeast Display Library Construction

Custom library design and construction covering diverse peptide scaffolds and diversities.

Yeast Display Library Screening

High-throughput FACS-based screening against soluble, membrane-bound, or complex antigen targets.

Yeast Display-Based Antibody Affinity Maturation

Rationally improve antibody lead affinity and biophysical properties.

Yeast Display-Based T Cell Receptor Engineering

Enhance TCR specificity, affinity, or stability for cell therapy applications.

Human Monoclonal Antibody Identification

Full human antibody discovery from naïve or immune yeast display libraries.

Yeast Display based Antibody Discovery

End-to-end antibody hit generation against challenging targets.

Yeast Display based Protein Optimization and Engineering

Improve expression, stability, or activity of protein leads through directed evolution.

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Common Questions: FAQs Answered

  1. What is the typical turnaround time for a full discovery project?

    Full-cycle projects, spanning library construction, screening, and hit validation, typically require a few months. For clients with pre-existing yeast display libraries, our accelerated screening-only workflow significantly condenses this timeline. Expedited tracks are available upon request.

  2. Can we work with confidential targets under a CDA/MNDA?

    Yes. We sign a mutual confidentiality agreement prior to any target disclosure. All project data remains your exclusive IP, and we offer material transfer and non-use clauses to protect your proprietary molecules.

  3. How do you guarantee the reliability and reproducibility of results?

    All our experiments follow standard SOPs with rigorous quality control. We adopt negative selection, multiple rounds of positive enrichment, parallel sample replicates, flow cytometry quality checks, sequencing validation and bioinformatics screening to effectively rule out false positives. All experimental records are fully traceable.

  4. Do you provide after-sale technical support?

    Dedicated technical sales and R&D engineers offer one-on-one project follow-up, real-time progress update and long-term professional technical consultation after delivery.


All listed services and products are For Research Use Only. Do Not use in any diagnostic or therapeutic applications.

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