Pull measured bioactivity,
not a guessed number.
ChEMBL is the database of experimentally-measured drug-like bioactivity — real IC50 and Ki values against real targets, with clinical phase. chembl_search and chembl_bioactivity return them pinned to CHEMBL IDs, so a potency figure an agent quotes was measured, not made up.
What the instrument does
ChEMBL (EMBL-EBI) is the manually-curated database of bioactive molecules — structures, calculated properties, clinical development phase, and measured activities (IC50, Ki, EC50) against biological targets, drawn from the literature.
On the console, chembl_search finds molecules and chembl_bioactivity returns the measured activities for one — each an experimental value with a source, not an estimate.
Tools this powers on the console
chembl_search · chembl_bioactivity
Research use only. Service names belong to their owners; no partnership or endorsement is implied.
How Perslis integrates ChEMBL
A potency number is the kind of specific-sounding fact a language model invents most convincingly. ChEMBL makes that unnecessary: aspirin resolves to CHEMBL25 with its real molecular weight and max clinical phase, and any activity value comes back as a measured datapoint tied to its assay — never a plausible figure with no experiment behind it.
ChEMBL joins the chemistry bench through the compound's identity: PubChem fixes what the molecule is, ChEMBL says what it does, and its target links reach back to UniProt proteins — the same anchor the structure bench is built on.
Ask
One question at the console — no per-service query language, no tab-hopping.
Route
Lois calls this instrument alongside the others and gathers what returns.
Pin
Every field keeps its source: database, accession, URL. A result that cannot name its source is refused by construction.
Admit
The PEEL gate decides what enters the lab record. Reported values stay verbatim; unsupported claims stay out.
A real, source-pinned result
Pulled live from the service and pinned to its identifier — the same contract every answer on the console is held to.
| ChEMBL ID | CHEMBL25 |
|---|---|
| Preferred name | ASPIRIN |
| Max clinical phase | 4.0 (approved) |
| Molecule type | Small molecule |
| Full MW | 180.16 |
| AlogP | 1.31 |
Source: chembl · CHEMBL25 · retrieved 2026-09-18
Why route ChEMBL through one console
Measured, callable
An agent quotes a real IC50 or Ki tied to an assay — not a confident-sounding invented number.
Identity to activity
PubChem fixes the molecule; ChEMBL says what it does; targets link back to UniProt proteins.
Phase and provenance
Clinical phase and source travel with every molecule, so 'approved' is a fact you can check.
Instruments ChEMBL talks to
What a molecule does connects to what it is and where it acts. ChEMBL answers beside PubChem, KEGG and UniProt.
