time-resolved-cryoem-agent — independently scanned and version-tracked by SaferSkills.
SaferSkills independently audited time-resolved-cryoem-agent (Agent Skill) and scored it 100/100 (green). The audit ran 55 deterministic rules across Security, Supply Chain, Maintenance, Transparency, and Community; it found 0 high-severity and 0 lower-severity findings. The full rule-by-rule trace and per-finding evidence are below. Free, methodology-open.
Findings & checks · 0 flagged
Every scanned point with the score it earned and what moved between them.
First recorded scan — no prior version to compare against.
The primary manifest — the file an agent reads to learn what this artifact does.
The Time-Resolved Cryo-EM Agent leverages time-resolved cryo-electron microscopy to capture protein dynamics, drug-binding kinetics, and conformational transitions. It integrates AI-powered analysis with experimental time-resolved data to enable dynamics-based drug discovery, moving beyond static structures to understand drug mechanisms in motion.
| Method | Timescale | Resolution | Application |
|---|---|---|---|
| Rapid Mixing | ms-s | 3-4 Å | Ligand binding |
| Temperature Jump | μs-ms | 3-5 Å | Transitions |
| Photocaging | μs-ms | 3-5 Å | Triggered reactions |
| Flow-Mixing | 10ms-s | 3-4 Å | Enzyme kinetics |
User: "Analyze time-resolved cryo-EM data of this kinase to understand drug binding kinetics and identify targetable intermediate states."
Agent Action:
python3 Skills/Structural_Biology/Time_Resolved_CryoEM_Agent/analyze_dynamics.py \
--timepoints "0ms,10ms,50ms,100ms,500ms,1s" \
--particle_stacks timepoint_particles/ \
--protein_sequence kinase.fasta \
--ligand drug_compound.sdf \
--kinetics_model two_state \
--extract_intermediates true \
--output kinase_dynamics/| Input | Format | Purpose |
|---|---|---|
| Particle Stacks | MRC per timepoint | Time-resolved data |
| Timepoint Labels | CSV | Time assignments |
| Protein Sequence | FASTA | Structure reference |
| Ligand Structure | SDF | Binding analysis |
| Initial Model | Optional PDB | 3D classification |
| Output | Description | Format |
|---|---|---|
| Conformational States | Per-timepoint structures | .pdb |
| Kinetics Parameters | kon, koff, Kd | .json |
| State Populations | Fraction vs time | .csv |
| Conformational Movie | Trajectory animation | .mp4 |
| Intermediate Structures | Transient states | .pdb |
| Energy Landscape | Free energy surface | .png |
| Drug Design Targets | State-specific pockets | .json |
| Parameter | Definition | Drug Design Relevance |
|---|---|---|
| kon | Association rate | Target engagement speed |
| koff | Dissociation rate | Residence time |
| Kd | Equilibrium constant | Affinity |
| t1/2 | Half-life | Duration of action |
| Conformational Rate | State transition speed | Mechanism insight |
Conformational Sorting:
Kinetics Modeling:
Intermediate Detection:
| Application | Dynamic Insight | Design Strategy |
|---|---|---|
| Slow Binding | Long residence time | Optimize koff |
| Allosteric Drugs | State stabilization | Target intermediate |
| Covalent Inhibitors | Binding trajectory | Optimize approach |
| Conformational Selection | State preference | Pre-organize ligand |
| Induced Fit | Protein reorganization | Accommodate flexibility |
| Method | Software | Best For |
|---|---|---|
| 3DVA | cryoSPARC | Principal motions |
| Multi-body | RELION | Domain movements |
| cryoDRGN | cryoDRGN | Continuous heterogeneity |
| 3D Classification | Various | Discrete states |
| Mixing Method | Dead Time | Applications |
|---|---|---|
| Rapid On-Grid | ~10 ms | Fast binding |
| Blot-Free | ~1 ms | Very fast kinetics |
| Microfluidic | ~50 ms | Enzyme catalysis |
| Spray-Mixing | ~10 ms | Protein-protein |
| Mechanism | Model | Parameters |
|---|---|---|
| Two-State | A ⇌ B | kon, koff |
| Induced Fit | A + L ⇌ AL ⇌ AL* | Multiple rates |
| Conformational Selection | A ⇌ A + L ⇌ AL | Pre-equilibrium |
| Sequential | A → B → C | Multiple intermediates |
| Method | Purpose | Complementarity |
|---|---|---|
| SPR | Binding kinetics | Validate rates |
| ITC | Thermodynamics | Validate ΔG |
| NMR | Dynamics | Solution behavior |
| MD Simulation | Mechanism | Molecular detail |
| Target | Dynamic Insight | Design Implication |
|---|---|---|
| Kinases | DFG-in/out transition | State-selective inhibitors |
| GPCRs | Activation pathway | Biased agonists |
| Transporters | Alternating access | Mechanism-based design |
| ATPases | Catalytic cycle | Allosteric inhibitors |
AI Group - Biomedical AI Platform
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