Rank covalent sites by the joint presence of pocket fit, cysteine reactivity and sulfur exposure across a modeled conformational ensemble.
BioTwin / Unique capabilities
Methods for the questions a single model cannot settle.
A molecule may fit a pocket yet never reach it. A covalent reaction may work locally yet lose to plasma competition. Explore the specific BioTwin methods that examine those gaps, and the combinations that could resolve a larger research question.
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Protein states and binding opportunities
Localize candidate cryptic openings with persistent homology, then test access and conformational availability before treating them as binding sites.
Frame a protein intervention around the state, transition and functional response to change, then compare possible actuators and capture mechanisms.
Search for bounded structural-network perturbations that produce a chosen protein response, then check the proposed change in a forward model.
Separate geometric fit from access using clearance fields and explicit uncertainty, including cavities that can hold a probe but cannot admit it.
RNA structure and targeting
Connect RNA G-quadruplex formation, structural selectivity and concrete ligand-design questions, with evidence kept separate at each stage.
Molecular dynamics, topology and multiscale models
Propagate bounded input uncertainty through supported harmonic dynamics and readouts to see whether a conclusion survives the admitted variation.
Reduce weighted conformer descriptors while checking that the structural differences needed for a downstream decision survive.
Coarse-grain rapidly exchanging states and test whether the slower relaxation behavior needed for a molecular question survives.
Carry disulfide connectivity and assignment confidence into molecular-topology and covalent-site comparisons.
Check a selected molecular-topology readout during simplified dynamics and reject moves that change the declared constraint.
Compare molecular representations through explicit maps and localize disagreements that could change a structural conclusion.
Investigate reduced molecular-environment models with explicit coupling and memory assumptions, judged by the observable they preserve.
Combine selected structural descriptors within a network operator, then test whether their interaction reveals a useful intervention hypothesis.
Query state populations, transition routes and timescales to ask what a proposed intervention would need to change.
Covalent chemistry and molecular design
Investigate alternative attachment sites and chemical routes against a fixed functional objective when the first covalent handle is unsuitable.
Compare capture, adduct reversal, production and clearance to test whether a covalent mechanism can sustain the intended effect.
Investigate local cation placement, pKa shifts and reaction-rate compensation as a target-conditioned covalent-design strategy.
Assess a linker from its actual attachment points, conformations and obstacles to determine which architectures merit a productive-geometry test.
Model binding-head spacing, periodic-target mismatch and strain to test when additional heads can contribute to simultaneous engagement.
Investigate residue and warhead alternatives when cysteine-directed engagement is unsuitable for the target.
Compare matched reaction chemistry across modeled conformers to test whether a candidate ranking survives structural variation.
Turn a proposed covalent selectivity mechanism into a matched paralog or variant counterscreen.
Check proposed protein interfaces against supported structural and experimental constraints, and identify what excludes an alternative.
Model target capture alongside competing extracellular reactions and losses to identify the design parameter worth testing.
Recruitment, clearance and conditional interventions
Test whether coupling, activation and turnover allow a proposed zymogen intervention to achieve its intended effect under the model.
Connect an E3 recruiter or molecular-glue proposal to the distinct evidence needed for recruitment, degradation and function.
Compose a supplied extracellular target binder, GalNAc cluster and linker into an ASGPR-LYTAC construct for evaluation.
Specify the conditions under which a proposed drug should activate, including the environments where it should remain off.
Cell states, resistance and biological context
Identify the biological barrier a cell-state intervention must overcome, and the experiment that can test it.
Investigate modeled signaling escape routes before choosing a protein–RNA co-targeting hypothesis.
Revisit a disordered-protein intervention when charge patterning or post-translational modification changes its sequence context.
Determine whether an isoform distinction changes the target, intervention or assay your program should use.
Investigate a research direction connecting spatial cell neighborhoods to local intervention constraints.
Delivery, exposure and compartments
Distinguish receptor-mediated liver uptake from hepatic activation, with a model and measurements suited to each mechanism.
Assess whether a modeled local-exposure advantage remains useful after local and systemic target effects are considered.
Investigate the absorption, barrier or compartment-exposure assumption that could determine a program’s next experiment.
Model how small-molecule properties could change mitochondrial or lysosomal exposure beyond the whole-cell measurement.
Find the operation your program needs
Browse by scientific problem. Each method page explains its operation, its relationship to familiar approaches and the work supporting it. Some methods have computational studies; others describe a research direction.
Research questions that cross method boundaries
Some of the most interesting questions require a combination. These are proposed research compositions: their component evidence remains separate, and a joined workflow needs a candidate-specific evaluation.
- State-selective covalent capture · Connect conformational access, site chemistry and reaction-barrier questions around a defined target state. Boltzmann Ensemble Covalent Ligandability
- Selective extracellular covalent design · Explore local pKa design, related-protein selectivity and plasma competition together. Ligand-Induced pKa Design and Cation Placement
- State-directed allosteric lock design · Investigate a desired response, candidate perturbation and the geometry of an intervention. Programmable Allostery
- Compartment-matched target clearance · Compare intracellular E3 recruitment with extracellular lysosomal clearance as distinct mechanistic routes. E3 Recruiter and Molecular-Glue Mechanism Design
- Context-specific cell-state release · Connect necessary biological gates, bypass pathways and exposure requirements. Cell-State Arrest and Release
- Isoform- and modification-aware intervention design · Examine whether transcript context and protein modification change a proposed interface or mechanism. Isoform-Specific Target Assessment
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