Cradle lead optimisation of a cetuximab single-chain variable fragment
Cradle's round 2 entry: cetuximab reformatted as a single-chain variable fragment with a glycine-serine linker, then mutated in the framework regions under machine-learning-guided selection with the complementarity-determining regions preserved.
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Evaluations and results
1 evaluation · 1 result. Different protocols are not a single leaderboard.
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| Tested configuration | Protocol and dataset | Finding | Evidence and details |
|---|---|---|---|
| Configuration: Cradle lead optimisation of a cetuximab single-chain variable fragment | Protocol: Adaptyv EGFR competition BLI affinity Dataset: Adaptyv EGFR competition round 2 tested designs | 1.21 nM Dissociation constant (KD for EGFR by BLI of the overall competition winner, an optimised cetuximab scFv) nanomolar · lower Uncertainty: Not reported by the source: No interval is printed for this value in the prose; the repository records per-replicate fits. Coverage: Not reported scored / Not reported eligible | Independent external evaluation · Source checkedMethods, coverage and sourceCradle lead optimisation in Adaptyv round 2: Adaptyv EGFR competition BLI affinity uc-binder-20261022-protocol-adaptyv-bli-affinity Aggregation: Not reported Crowdsourced Protein Design: Lessons From the Adaptyv EGFR Binder Competition (Cotet et al., bioRxiv 2025); Adaptyv EGFR design competition round 2 results repository · Section 3.2: 'The overall winner of the competition (by binding affinity), and the winner of R2, was the ML-guided lead optimization strategy of Cradle, with a binding affinity of 1.21 nM' |
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Sources and history
Release 2026-10-22-1b7cf027e4f6 · Record review: source checked
1 source record and release history
- Crowdsourced Protein Design: Lessons From the Adaptyv EGFR Binder Competition (Cotet et al., bioRxiv 2025) · Original source · bioRxiv preprint version 1
Technical metadata and extraction receipts
Stable ID: uc-binder-20261022-config-adaptyv-cradle-r2
- areas
- proteins-complexes; protein-structure
- contexts
- research
- method types
- supervised_machine_learning
- access reuse
- Commercial entry; tested by Adaptyv.
- foundation model eligible
- false
- method role
- lead optimisation
- missing metadata
- parent identity review: note: The source does not describe which models Cradle used.; reason: unreported
- parameters
- Cetuximab reformatted as an scFv with a glycine-serine linker; mutations generated in the framework regions only, with the CDRs preserved
- reported name
- Cradle
- review
- artifact sha256: 17039d69ecc37f45f6c402511b8f4497ce631003689fa95ad1ab221f8f787a4f; method: source-hash-verification; independent-cell-check; ai-assisted-source-review; method note: Re-downloaded (HTTP 200, 493,217 bytes, the same byte count as the pinned retrieval) but the SHA-256 differs, as expected for a mutable bioRxiv page whose hash describes one retrieval. Every extracted value and every quoted sentence was then located verbatim in the new retrieval, so the difference is in page furniture and not in the evidence. One section attribution and one quotation were corrected.; note: Reviewed in docs/reviews/use-cases/binder-2026-10-22.md. Automated AI review of the source transcription only; it is not human scientific review and nothing here was reproduced experimentally.; retrieval url: https://www.biorxiv.org/content/10.1101/2025.04.17.648362v1.full; reviewed at: 2026-10-22T15:00:00Z; reviewer: claude; reviewer note: Claude review agent, independent of the extraction agent; no human review claimed
- selection
- Not stated.
- source locator
- Section 3.2
- version
- As entered in Adaptyv EGFR competition round 2