FAIRMol

NMT-TY0555

Pose ID 9133 Compound 515 Pose 325

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T14
T. brucei ODC (G418 binding site) T. brucei G418 binding site
Ligand NMT-TY0555
PDB1NJJ

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry medium Native mixed SASA done
Strain ΔE
32.6 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.40, Jaccard 0.30, H-bond role recall 0.40
Burial
73%
Hydrophobic fit
66%
Reason: no major geometry red flags detected
1 protein-contact clashes 60% of hydrophobic surface is solvent-exposed (6/10 atoms). Large non-polar area without protein contacts incurs a desolvation penalty and will reduce binding affinity. Consider truncating or replacing the exposed fragment.
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.030 kcal/mol/HA) ✓ Good fit quality (FQ -8.62) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (73% SASA buried) ✓ Lipophilic contacts well-matched (66%) ✗ Very high strain energy (32.6 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (7)
Score
-20.590
kcal/mol
LE
-1.030
kcal/mol/HA
Fit Quality
-8.62
FQ (Leeson)
HAC
20
heavy atoms
MW
296
Da
LogP
-0.68
cLogP
Strain ΔE
32.6 kcal/mol
SASA buried
73%
Lipo contact
66% BSA apolar/total
SASA unbound
495 Ų
Apolar buried
238 Ų

Interaction summary

HB 10 HY 2 PI 0 CLASH 1 ⚠ Exposure 60%
🚨Solvent-exposed hydrophobic surface — desolvation penalty likely
60% of hydrophobic surface is solvent-exposed (6/10 atoms). Large non-polar area without protein contacts incurs a desolvation penalty and will reduce binding affinity. Consider truncating or replacing the exposed fragment.
Non-polar atoms 10 Buried (contacted) 4 Exposed 6 LogP -0.68 H-bonds 10
Exposed fragments: phenyl (6/6 atoms exposed)
Final rank1.893Score-20.590
Inter norm-1.100Intra norm0.070
Top1000noExcludedno
Contacts11H-bonds10
Artifact reasongeometry warning; 7 clashes; 1 protein clash; high strain Δ 32.6
Residues
ARG242 ARG337 ASP243 ASP385 GLU384 LEU339 MET386 PHE383 PRO338 VAL335 VAL336

Protein summary

398 residues
Protein targetT14Atoms6140
Residues398Chains1
Residue summaryVAL:592; LEU:513; LYS:484; ARG:432; PHE:420; ILE:418; ASP:349; THR:322; TYR:315; PRO:308; GLU:301; ALA:290; SER:253; GLY:217; ASN:210; GLN:170

Receptor context

1 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 1 Excluded HETATM 0
Kept cofactors / ions
A:ORX602

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name1NJJContacts15
PoseOpen native poseHB0
IFP residues
ARG22 ARG242 ARG337 ARG342 ASP243 ASP385 GLN341 GLU384 LEU25 LEU339 LEU382 PRO340 PRO344 SER282 THR241
Current overlap6Native recall0.40
Jaccard0.30RMSD-
HB strict1Strict recall0.17
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
291 1.1342832901296953 -1.47243 -28.1213 7 13 0 0.00 0.00 - no Open
308 1.1407956598243199 -1.47271 -28.0966 7 13 0 0.00 0.00 - no Open
287 1.425854450107728 -1.57638 -29.017 10 15 0 0.00 0.00 - no Open
294 1.4368563653499584 -1.58614 -29.0417 10 15 0 0.00 0.00 - no Open
340 1.5199875327590986 -1.30421 -24.1616 12 16 0 0.00 0.00 - no Open
325 1.8929444358902847 -1.09972 -20.59 10 11 6 0.40 0.40 - no Current
264 2.0213778030470935 -1.28263 -24.1424 8 15 0 0.00 0.00 - no Open
272 2.07930378903586 -1.19931 -21.6886 10 17 0 0.00 0.00 - no Open
288 2.272686469792997 -1.20072 -21.8379 10 17 0 0.00 0.00 - no Open
255 2.604134178216891 -1.55444 -29.5672 11 18 0 0.00 0.00 - no Open
395 2.618228131873109 -1.34198 -25.4179 10 16 0 0.00 0.00 - no Open
307 2.6395815071657873 -1.216 -22.6881 12 17 0 0.00 0.00 - no Open
324 2.719858307570968 -0.962258 -19.339 7 11 0 0.00 0.00 - no Open
272 2.890185804928903 -1.24872 -23.3539 7 15 0 0.00 0.00 - no Open
354 2.894301988851109 -1.46517 -27.278 13 19 0 0.00 0.00 - no Open
248 2.9955573621189955 -1.44392 -27.8137 14 18 0 0.00 0.00 - no Open
346 3.086475756889026 -1.42333 -26.6003 13 19 0 0.00 0.00 - no Open
299 3.1992481359795537 -1.24642 -23.7166 13 17 0 0.00 0.00 - no Open
285 3.2187089349618714 -1.29682 -23.427 10 17 0 0.00 0.00 - no Open
379 3.2560466957189305 -1.35838 -25.6607 9 16 0 0.00 0.00 - no Open
369 3.4560880962334983 -1.32647 -25.5936 9 16 0 0.00 0.00 - no Open
254 3.4642926757389616 -1.30203 -24.5606 9 15 0 0.00 0.00 - no Open
406 3.67636034041161 -1.29246 -24.4616 10 16 0 0.00 0.00 - no Open
333 3.717795610400825 -1.4146 -26.5109 10 14 0 0.00 0.00 - no Open
241 3.724783035797209 -1.26416 -21.7498 15 13 0 0.00 0.00 - no Open
251 3.7829044977730146 -1.35705 -25.1409 11 19 0 0.00 0.00 - no Open
330 3.7929991462566486 -0.942708 -18.8834 6 11 0 0.00 0.00 - no Open
241 4.010694369049239 -1.38136 -25.2742 11 19 0 0.00 0.00 - no Open
226 4.299065349056032 -1.39557 -26.9943 14 15 0 0.00 0.00 - no Open
257 4.359761779337785 -1.65662 -30.294 16 22 0 0.00 0.00 - no Open
274 4.532558280468934 -1.63443 -31.073 16 21 0 0.00 0.00 - no Open

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -20.590kcal/mol
Ligand efficiency (LE) -1.0295kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.615
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 20HA

Physicochemical properties

Molecular weight 296.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.68
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 32.60kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -92.03kcal/mol
Minimised FF energy -124.63kcal/mol

SASA & burial

✓ computed
SASA (unbound) 494.5Ų
Total solvent-accessible surface area of free ligand
BSA total 361.6Ų
Buried surface area upon binding
BSA apolar 238.4Ų
Hydrophobic contacts buried
BSA polar 123.2Ų
Polar contacts buried
Fraction buried 73.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 65.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2298.2Ų
SASA_nonpolar(complex) − SASA_nonpolar(receptor) − SASA_nonpolar(ligand free). Negative = non-polar surface buried upon binding. Requires full polarity-decomposed SASA computation.
Receptor non-polar SASA 3349.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1383.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)