Visual CyclicResearch-grade cyclic peptide tools
Cyclic peptides from sequence to 3D
Cyclization mass, pI, stability, disulfide bonds, and ring 3D structure—for macrocycle research.
Research and education only. Not medical advice.
Go to Cyclic Peptide Properties to get started.
How it works
Search or enter sequence
Use the search above or go to the calculator to enter cyclic peptide sequence.Peptide Properties
Get properties & dose
Get cyclization loss, pI, MW, stability, disulfide bonds.
Verify purity
View 3D ring structure and export PDB, PNG, PDF.Open Verify →
Cyclic sequence → full properties
Enter cyclic peptide sequence. Get cyclization loss, pI, MW, stability, disulfide bonds. 3D ring viewer and export PDB, PNG, PDF.
3D Structure Viewer — Cyclic Peptide
View cyclic peptide and macrocycle structures in-site (rotate, zoom, measure, export). Disulfide viewer available.
Calculator · 3D Viewer · Export
Cyclic peptide properties, cyclization mass shift, stability predictor; cyclic backbone viewer, disulfide bond 3D, macrocycle conformation; export formats and cyclic structure export. Calculator → Tools →
Cyclic Peptide Properties (cyclization)
Cyclic sequence → cyclization loss, pI, MW, stability, disulfide.
Stability Predictor
Stability and physicochemical properties from sequence.
Cyclic Backbone Viewer
View cyclic peptide 3D. Load PDB, measure, export.
Disulfide Bond 3D
Visualize disulfide bonds in cyclic structures.
Macrocycle Conformation
Multi-frame 3D and macrocycle conformation preview.
Export Formats
PDB, PNG, PDF. Download and cite.
Cyclic Structure Export
Export cyclic peptide structures and reports.
Docs
Getting started, cyclization chemistry, data sources, tutorials.
Pricing
Free tier for research. Pro & Enterprise for teams and API.
Key tools
Jump to cyclic peptide properties, 3D viewer, export, or docs.
Calculation standards & reproducibility — IUPAC, Bjellqvist (pI), Expasy ProtParam. All results traceable and citable.
For peptide purity verification (Janoshik), see Verify. For Visual Cyclic quality control, use your preferred third-party lab.