# Send only your best peptides to the lab

Design peptide binders, check cleavage and immunogenicity risk, and model how they sit on the target before synthesis.

[Try it free](https://proteiniq.io/app/workflows/templates)[Browse tools](https://proteiniq.io/app/tools)

![HLA-A2 with Tel1p peptide, a Boltz-2 result on ProteinIQ](https://proteiniq.io/_next/image?url=%2Fimages%2Fsolutions%2Fheroes%2Fpeptide-discovery.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9)

1. ## Candidate generation

   Generate or extend peptide sequences from target context while keeping each design method’s native ranking and files.

   [![PepMimic](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Fpep-mimic.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### PepMimic Peptide binder design through binding interface mimicry with a latent diffusion model binder-designai-powered+4](https://proteiniq.io/app/pep-mimic)[![BoltzProt-1](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Fboltzprot-1.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### BoltzProt-1 Protein, peptide, nanobody and antibody binder design. protein-designbinder-design+3](https://proteiniq.io/app/boltzprot-1)[![BoltzGen](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Fboltzgen-featured.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### BoltzGen Design protein, peptide, and nanobody binders against protein or small-molecule targets. binder-designai-powered+5](https://proteiniq.io/app/boltzgen)
2. ## Sequence and proteolysis review

   Calculate baseline sequence properties and identify cleavage liabilities before advancing candidates.

   [![Peptide mass calculator](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Fpeptide-mass.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### Peptide mass calculator In-silico proteolytic digestion with peptide mass calculation for mass spectrometry experiment planning. protein-analysisphysicochemical-properties+1](https://proteiniq.io/app/peptide-mass)[![Peptide cutter](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Fpeptide-cutter.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### Peptide cutter Map protease and chemical cleavage sites across protein sequences for proteomics experiment planning. protein-analysisphysicochemical-properties+2](https://proteiniq.io/app/peptide-cutter)[![CleaveNet](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Fcleavenet.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### CleaveNet Predict MMP cleavage z-scores, evaluate substrates, and generate conditional peptides. protein-analysisai-powered+4](https://proteiniq.io/app/cleavenet)[![Protein parameters](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Fprotein-parameters.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### Protein parameters Calculate molecular weight, pI, extinction coefficients, composition, and sequence indices. protein-analysisphysicochemical-properties+1](https://proteiniq.io/app/protein-parameters)
3. ## Immunogenicity and developability review

   Compare immune-response risk, solubility, and stability signals before structural follow-up.

   [![DeepImmuno](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Fdeepimmuno.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### DeepImmuno Score, compare, and generate peptide candidates with the official DeepImmuno models. protein-analysisdeep-learning+3](https://proteiniq.io/app/deepimmuno)[![TLimmuno2](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Ftlimmuno2.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### TLimmuno2 Transfer learning-based MHC-II immunogenicity prediction for CD4+ T cell epitopes protein-analysisdeep-learning+3](https://proteiniq.io/app/tlimmuno2)[![NetSolP-1.0](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Fnetsolp.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### NetSolP-1.0 Predict protein solubility and purification usability for E. coli expression systems protein-analysisproperty-prediction+3](https://proteiniq.io/app/netsolp-1-0)[![Protein stability prediction](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Fprotein-stability.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### Protein stability prediction Compare independently interpretable sequence properties related to protein stability. protein-analysisphysicochemical-properties+2](https://proteiniq.io/app/protein-stability)
4. ## Structure and binding review

   Model shortlisted peptides, validate geometry, and dock them against the target to explore compatible peptide–target complexes.

   [![HighFold](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Falphafold-2.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### HighFold Cyclic peptide structure prediction with CycPOEM-enhanced AlphaFold2 protein-foldingstructure-prediction+3](https://proteiniq.io/app/highfold)[![ESMfold](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Fesmfold.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### ESMfold Predict protein structures and multimers directly from sequences without an MSA. protein-foldingstructure-prediction+2](https://proteiniq.io/app/esmfold)[![Boltz-2](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Fboltz-2.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### Boltz-2 Predict biomolecular complex structures and binding affinities for proteins, ligands, DNA, and RNA. protein-foldingstructure-prediction+5](https://proteiniq.io/app/boltz-2)[![RAPiDock](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Frapidock.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### RAPiDock All-atom protein-peptide docking with unranked samples. protein-dockingprotein+3](https://proteiniq.io/app/rapidock)[![LightDock](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Flightdock.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### LightDock Protein-protein, protein-peptide, and protein-DNA docking using Glowworm Swarm Optimization protein-dockinginteraction-prediction+4](https://proteiniq.io/app/lightdock)[![MolProbity](https://proteiniq.io/_next/image?url=%2Fimages%2Ftools%2Fmolprobity.webp&w=1920&q=75&dpl=dpl_FAgf5acUWMGh21MEL7khBNAj8AH9) ### MolProbity Validate protein structures with clashscore, Ramachandran, rotamer, and geometry checks. structure-analysisquality-validation+4](https://proteiniq.io/app/molprobity)

## Ready to discover peptides?

### Free

$0

The perfect starting place for your first project.

- All tools
- 200 credits, then 100/mo
- 3 jobs per day
- Up to 1,000 residues per job
- Academic license

[Get Free](https://proteiniq.io/sign-up)

### Plus

$23 per user/month

Everything an academic lab needs to scale.

- Everything in Free
- 24,000 credits/user/year
- No daily job limit
- Batches & workflows
- API access

### Pro

Popular

$79 per user/month

More compute and a commercial license for industry.

- Everything in Plus
- 96,000 credits/user/year
- Commercial license

### Enterprise

Contact us Custom annual terms

Custom credits, seats, and security review.

- Everything in Pro
- Custom credit allocation
- Shared seats and admin controls
- Invoice billing and security review

[Contact sales](https://proteiniq.io/contact)

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## Frequently asked questions

AI answers from our docs. No sign-in needed.