ABL1_KD packed 2026-08-23
Campaign summary
| Field | Value | Details |
|---|---|---|
| Input file | boltz_input.md | boltz_input.md |
| Proteins | 1 | 2 protein block(s) in 1 group(s): ABL1 (272 aa); ABLAP (272 aa) |
| Co-folded partners | 0 | none |
| Ligands | 2 | IMATI (SMILES); DASAT (SMILES) |
| Pockets | 1 | 1N1 |
| Apo structure references | 1 | ABLAP |
| Predictions | 5 | ABL1_IMATI, ABL1_IMATI_1N1, ABL1_DASAT, ABL1_DASAT_1N1, ABLAP |
| Predict affinity | yes | pIC50 predicted for every ligand-bound prediction |
| Ligand chemistry | 2 of 2 flagged | IMATI, DASAT -- see "Ligand preparation" below |
| Boltz predict runtime | 18m 11s | across 2 run invocations |
| Accelerator | gpu | gpu = Metal/CUDA backend used; cpu = no GPU available |
| Workers | 0 | parallel data-loading workers (Boltz's own default is 2) |
| MPS watermark | 1.0 | PYTORCH_MPS_HIGH_WATERMARK_RATIO cap -- lower avoids swap on Apple unified memory |
| Max parallel samples | 1 | Boltz's own --max_parallel_samples |
| Max MSA sequences | 4096 | cap on MSA sequences used for co-evolution features |
Reference structures
The experimental structures this campaign was built on: where each pocket came from, and what the secondary-structure comparison measures against.
Pocket definitions
| From | Proteins | Contacts | |
|---|---|---|---|
| 1N1 | 2GQG | ABL1 | 18 |
| STI | 1IEP | ABL1 | reference only |
Secondary-structure references
| Protein | Structure | State | Contents | Chain |
|---|---|---|---|---|
| ABL1 | 2gqg.cif | DFG-in, αC-in | 2 chain(s), bound: 1N1, PTR | A |
A kinase's state is its DFG motif and αC helix, taken from the secondary-structure comparison.
Ligand definitions
| Ligand | Class | Given as | Experimental structure |
|---|---|---|---|
| IMATI | Control | SMILES | STI |
| DASAT | Control | SMILES | 1N1 |
A control has been verified experimentally, by structure or by assay, so its prediction can be checked; an experimental compound is under investigation, with nothing to check against. Experimental compounds are ringed in red in the charts.
pIC50 vs confidence score
Click a point to open that target, in the panel below the Targets table.
pIC50 vs binder probability
Click a point to open that target, in the panel below the Targets table.
Ranked predicted pIC50
Click a point to open that target, in the panel below the Targets table.
Ranked confidence
Click a point to open that target, in the panel below the Targets table.
Summary table
| Identity | Affinity | ▸ Confidence (5) | ▸ Interactions (5) | Structure | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Run | Protein | Ligand | Class | Summary | Binder | pIC50 | Score | pTM | ipTM | Lig | pLDDT | Total | Phob | H | Salt | π | CIF | |
| 4 | ABL1 | DASAT | 1N1 | Control | 0.99 | 12.86 | 0.95 | 0.97 | 0.98 | 0.98 | 0.94 | 10.00 | 7 | 3 | 0 | 0 | CIF | |
| 2 | ABL1 | IMATI | 1N1 | Control | 0.81 | 10.10 | 0.95 | 0.96 | 0.98 | 0.98 | 0.94 | 16.00 | 10 | 4 | 1 | 1 | CIF | |
| 3 | ABL1 | DASAT | Unc | Control | 0.55 | 9.89 | 0.88 | 0.69 | 0.88 | 0.88 | 0.88 | 11.00 | 8 | 3 | 0 | 0 | CIF | |
| 1 | ABL1 | IMATI | Unc | Control | 0.49 | 9.36 | 0.91 | 0.78 | 0.92 | 0.92 | 0.91 | 17.00 | 10 | 5 | 2 | 0 | CIF | |
| 5 | ABLAP | Apo | N/A | N/A | N/A | N/A | N/A | 0.93 | 0.94 | N/A | N/A | 0.92 | N/A | N/A | N/A | N/A | N/A | CIF |
Predictions
One row per prediction. Click one to see its pose and interactions, in the panel below.
| Run | Prediction | Protein | Ligand | Class | Confidence | pIC50 | Interactions | Flags |
|---|
Overall structure
Interaction diagram
Detected interactions
Metrics
Sequence
Pockets
1 named pocket(s) (1N1) plus an unconstrained baseline; contacts are enforced within 4 A.
| Protein | Ligands | Runs | Targets | Contacts | |
|---|---|---|---|---|---|
| 1N1 | ABL1 | IMATI, DASAT | 2, 4 | 2 | 18 residue(s) |
| Unconstrained | ABL1 | IMATI, DASAT | 1, 3 | 2 | none -- ligand placed freely |
Where the ligands landed
Ligand preparation
2 of 2 ligand(s) flagged for chemistry review -- these are advisory, not errors; verify the input SMILES reflects what you intended before trusting the results below.
| Ligand | Chemistry notes |
|---|---|
| IMATI | ionizable group(s) present (primary/secondary amine) -- verify the SMILES reflects your intended protonation state |
| DASAT | ionizable group(s) present (primary/secondary amine) -- verify the SMILES reflects your intended protonation state |
Ligand structures
No shared scaffold or substructure detected across the set -- ligands are structurally distinct.
Download PDF · Download SMILES
Scaffolds: Bemis-Murcko, exact match first, then Tanimoto-clustered (Morgan r=2, 2048-bit, threshold 0.60) whole-group MCS as a verified fallback. Minimum highlighted substructure size: 8 heavy atoms. Stereocentre/ionizable-group highlighting from this campaign's own ligand-preparation check (see above).
Interaction counts by type
Click a point to open that target, in the panel below the Targets table.
SSE motif shifts (apo vs holo)
| Identity | Shift | Boundary | Backbone | Kinase state | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Family | Target | Ligand | Motif | Kind | Source | N res | RMSD (A) | Centroid delta (A) | Start delta | End delta | Flagged phi/psi | DFG apo | DFG holo | DFG delta | alphaC apo | alphaC holo | alphaC delta |
| ABL1 | ABL1_DASAT | DASAT | DFG | loop | kinase | 3 | 4.47 | 3.40 | N/A | N/A | 2 | in | out | True | in | in | False |
| ABL1 | ABL1_DASAT | DASAT | DFG | loop | kinase | 3 | 0.76 | 0.67 | N/A | N/A | 0 | in | in | False | in | in | False |
| ABL1 | ABL1_DASAT | DASAT | catalytic_loop | loop | kinase | 3 | 0.73 | 0.70 | N/A | N/A | 0 | in | out | True | in | in | False |
| ABL1 | ABL1_DASAT | DASAT | catalytic_loop | loop | kinase | 3 | 0.43 | 0.41 | N/A | N/A | 0 | in | in | False | in | in | False |
| ABL1 | ABL1_DASAT | DASAT | hinge | loop | kinase | 3 | 0.25 | 0.12 | N/A | N/A | 0 | in | out | True | in | in | False |
| ABL1 | ABL1_DASAT | DASAT | hinge | loop | kinase | 3 | 0.19 | 0.11 | N/A | N/A | 0 | in | in | False | in | in | False |
| ABL1 | ABL1_DASAT | DASAT | pocket_scaffold | loop | kinase | 73 | 1.70 | 0.00 | -146.00 | -133.00 | 8 | in | out | True | in | in | False |
| ABL1 | ABL1_DASAT | DASAT | pocket_scaffold | loop | kinase | 73 | 1.25 | 0.00 | -146.00 | -133.00 | 8 | in | in | False | in | in | False |
| ABL1 | ABL1_DASAT | DASAT | alphaC_Glu | point | kinase | 1 | 0.97 | 0.97 | N/A | N/A | 0 | in | out | True | in | in | False |
| ABL1 | ABL1_DASAT | DASAT | alphaC_Glu | point | kinase | 1 | 0.90 | 0.90 | N/A | N/A | 0 | in | in | False | in | in | False |
| ABL1 | ABL1_DASAT | DASAT | catalytic_Lys | point | kinase | 1 | 1.08 | 1.08 | N/A | N/A | 0 | in | out | True | in | in | False |
| ABL1 | ABL1_DASAT | DASAT | catalytic_Lys | point | kinase | 1 | 0.88 | 0.88 | N/A | N/A | 0 | in | in | False | in | in | False |
| ABL1 | ABL1_DASAT | DASAT | gatekeeper | point | kinase | 1 | 0.09 | 0.09 | N/A | N/A | 0 | in | out | True | in | in | False |
| ABL1 | ABL1_DASAT | DASAT | gatekeeper | point | kinase | 1 | 0.15 | 0.15 | N/A | N/A | 0 | in | in | False | in | in | False |
| ABL1 | ABL1_IMATI | IMATI | DFG | loop | kinase | 3 | 5.58 | 4.67 | N/A | N/A | 2 | in | other | True | in | in | False |
| ABL1 | ABL1_IMATI | IMATI | DFG | loop | kinase | 3 | 5.23 | 4.26 | N/A | N/A | 2 | in | other | True | in | in | False |
| ABL1 | ABL1_IMATI | IMATI | catalytic_loop | loop | kinase | 3 | 0.53 | 0.49 | N/A | N/A | 0 | in | other | True | in | in | False |
| ABL1 | ABL1_IMATI | IMATI | catalytic_loop | loop | kinase | 3 | 0.65 | 0.62 | N/A | N/A | 0 | in | other | True | in | in | False |
| ABL1 | ABL1_IMATI | IMATI | hinge | loop | kinase | 3 | 0.54 | 0.43 | N/A | N/A | 0 | in | other | True | in | in | False |
| ABL1 | ABL1_IMATI | IMATI | hinge | loop | kinase | 3 | 0.54 | 0.46 | N/A | N/A | 0 | in | other | True | in | in | False |
| ABL1 | ABL1_IMATI | IMATI | pocket_scaffold | loop | kinase | 73 | 2.03 | 0.00 | -146.00 | -133.00 | 8 | in | other | True | in | in | False |
| ABL1 | ABL1_IMATI | IMATI | pocket_scaffold | loop | kinase | 73 | 1.75 | 0.00 | -146.00 | -133.00 | 9 | in | other | True | in | in | False |
| ABL1 | ABL1_IMATI | IMATI | alphaC_Glu | point | kinase | 1 | 1.51 | 1.51 | N/A | N/A | 0 | in | other | True | in | in | False |
| ABL1 | ABL1_IMATI | IMATI | alphaC_Glu | point | kinase | 1 | 1.52 | 1.52 | N/A | N/A | 0 | in | other | True | in | in | False |
| ABL1 | ABL1_IMATI | IMATI | catalytic_Lys | point | kinase | 1 | 1.41 | 1.41 | N/A | N/A | 0 | in | other | True | in | in | False |
| ABL1 | ABL1_IMATI | IMATI | catalytic_Lys | point | kinase | 1 | 1.01 | 1.01 | N/A | N/A | 0 | in | other | True | in | in | False |
| ABL1 | ABL1_IMATI | IMATI | gatekeeper | point | kinase | 1 | 0.35 | 0.35 | N/A | N/A | 0 | in | other | True | in | in | False |
| ABL1 | ABL1_IMATI | IMATI | gatekeeper | point | kinase | 1 | 0.37 | 0.37 | N/A | N/A | 0 | in | other | True | in | in | False |
Family coverage and SSE shifts
| Family | Status | Detail |
|---|---|---|
| ABL1 | OK | 28 motif row(s) across 4 target(s), annotator=kinase |
| ABLAP | No apo structure configured | No 'Apo structure:' configured for this family |
Overall shift statistics
- 2 target(s), 28 motif(s) compared
- Mean Ca RMSD: 1.32 A (median 0.89 A) — largest shift: 5.58 A at ABL1_IMATI / DFG
- Mean centroid shift: 0.95 A
- Flagged phi/psi outlier residues: 39
- Kinase state changes detected: 21 DFG, 0 alphaC
Per-motif Ca RMSD
Loops
Transmembrane
Selectivity and motif shifts
Family x ligand selectivity
Motif x target RMSD
Ligand pose vs experiment
4 target(s) compared against experimental structures in reference/. Atoms are paired by molecular graph, so the symmetry of the ligand is respected rather than being resolved by whichever atom happened to be nearest.
| Target | Protein | Ligand | Reference | Site (A) | Pose (A) | Conformer (A) | ||
|---|---|---|---|---|---|---|---|---|
| ABL1_IMATI_1N1 | ABL1 | IMATI | 1N1 | 1IEP (STI) | 0.36 | 0.72 | 0.29 | |
| ABL1_IMATI | ABL1 | IMATI | unconstrained | 1IEP (STI) | 0.38 | 1.31 | 0.75 | |
| ABL1_DASAT_1N1 | ABL1 | DASAT | 1N1 | 2GQG (1N1) | 0.17 | 1.85 | 1.72 | |
| ABL1_DASAT | ABL1 | DASAT | unconstrained | 2GQG (1N1) | 0.96 | 2.22 | 1.70 |
Predicted against experimental
Residue interaction fingerprints
Which residues each ligand touches, per protein. One scale for all of them, so a strong contact looks the same in every plot.
ABL1
The reports as files
The same panels as BoltzMaker wrote them, if you want the whole page in one file.
Landlord narration
5 of 5 target summaries written on-device by the Apple Neural Engine; 0 rendered from the template. Every number here is checked against the figures the analysis computed; a summary stating one it was not given was replaced by the template.
This campaign predicted the binding affinity of five ligands to the ABL1 protein, with three of the five targets deemed to be of high potency, and two of the five targets deemed to be of moderate potency. Of the five predicted targets, two of the targets were flagged as carrying at least one flag, and these were deemed to be of moderate potency.
| Targets | 5 predicted, 4 with a ligand |
|---|---|
| Receptors | ABL1, ABLAP |
| Ligands | DASAT, IMATI |
| Verdicts | 3 proceed, 2 caution |
| Confidence | 5 well determined |
| Flagged | 2 of 5 |
| Pose validated | 3 of 4 reproduced the experimental pose |
Key findings
- Of 5 targets, 3 are marked proceed, 2 caution and 0 discard.
- 5 of 5 targets are well determined; 0 are not.
- 2 of 5 targets carry at least one flag.
- 4 targets could be checked against an experimental structure, and 3 reproduced the experimental pose.
Highest predicted potency
- DASAT on 4_ABL1_DASAT_1N1, predicted pIC50 12.86
- IMATI on 2_ABL1_IMATI_1N1, predicted pIC50 10.1
- DASAT on 3_ABL1_DASAT_Unc, predicted pIC50 9.89
Caveats
This campaign failed to flag any of the predicted targets as being of low or no potency. Furthermore, the predicted potency of the ligands may not be applicable to other ligands or conditions.
Per target
| Target | Verdict | Summary | Caveat | Written by |
|---|---|---|---|---|
ABL1_IMATI | caution | Well determined; this means that the structure is likely accurate and reliable for the intended use. IMATI is a control ligand with 17 contacts, including 10 hydrophobic contacts, 5 hydrogen bonds, and 2 salt bridges. Its predicted potency is 9.36, which places it at rank 4 out of 4 by predicted potency. The predicted potency varies widely across the ensemble, meaning that the predicted potency of IMATI may not be applicable to other ligands or conditions. | The predicted potency varies widely across the ensemble; this means that the predicted potency of IMATI may not be applicable to other ligands or conditions. | model |
ABL1_IMATI_1N1 | proceed | The structure is well determined, suggesting it is reliable for further study. IMATI is a control ligand with 16 contacts, 10 hydrophobic and 4 hydrogen bonds, and a predicted potency of 10.1. It is ranked 2 of 4 by predicted potency. | No flags were present, indicating no immediate concerns about the structure's validity. | model |
ABL1_DASAT | proceed | This structure is well determined, meaning it is likely to be accurate. This is important for scientists who are deciding whether to trust this structure. DASAT is an inhibitor that binds to the target with 11 total contacts (8 hydrophobic and 3 hydrogen bonds). Its predicted potency is 9.89, and it ranks 3 out of 4 by predicted potency. | There are no flags indicating any issues with the structure. | model |
ABL1_DASAT_1N1 | proceed | This structure is well determined, and that means it should be trusted. DASAT is an inhibitor that binds to ABL1 with 7 hydrophobic contacts and 3 hydrogen bonds, and its predicted potency is 12.86 nM. Its predicted potency ranks it as the most potent inhibitor among four tested ligands. | There are no flags indicating problems with the structure. However, the predicted potency of the ligand is not very high, so it may not be a very potent inhibitor. | model |
ABLAP | caution | This structure is well determined, but caution is still recommended. | The ligand is poorly placed relative to the receptor and interaction analysis did not complete for this target | model |