Sequence profile
Sequence-level distributions summarize the non-redundant peptide space and support comparison with other peptide resources.
Length distribution
Unique peptides by sequence length interval.
Amino acid composition
Canonical residue frequency across main-table sequences.
Function evidence
Function abundance is paired with evidence fields so users can distinguish broad annotation from evidence-rich subsets.
Top functional annotations
Peptide-level annotation counts; categories may overlap.
Frequent co-annotation pairs
Pairs of functional labels that frequently co-occur on the same peptide. Ranked bridge cards avoid clutter while preserving pair strength.
Evidence support profile
Core evidence fields that make the assay layer useful for validation, filtering and quantitative analysis.
Assay readouts
Evidence depth, traceability and method-unit structure indicate which subsets are suitable for validation, benchmarking and quantitative modeling.
Research-ready evidence subsets
Unique-peptide subsets that can be used directly for filtering, validation or downstream analysis.
Evidence field availability
Record-level support fields in the assay table.
Assay records per peptide
Evidence-depth distribution across unique peptides.
Assay method and activity unit matrix
Major assay readouts and their quantitative units. Cell intensity indicates record count for method-unit combinations.
Chemistry and integration
Source categories, chemical annotations and external references show how the database supports cyclic, modified, structural and cross-resource searches.
Topology, chirality and modification overview
Three separate composition views avoid mixing different annotation dimensions in one chart.
Backbone topology
Linear, cyclic, branched and unspecified assay records.
Chirality classes
Assay records by chirality annotation.
Modification fields
N-terminal, C-terminal, disulfide and side-chain/noncanonical annotations.
Source categories
Unique peptides by curated source category.
Cross-reference integration
External resources linked to main-table peptides. The orbit map shows more linked resources without overlapping labels.
Research tables
Selected tables are non-redundant and task-oriented: they explain what each subset or summary can be used for.
| Research area | Leading annotations | Largest subset | Use in research | Signal |
|---|
| Readout class | Representative methods | Records in leading methods | Observed units | Use in research | Signal |
|---|
| Rank | Peptide ID | Name | Sequence | Length | Assay records | Evidence tier | Functions |
|---|
| Descriptor | Median | Central interval | Robust range | Mean | Use in research |
|---|