FAIRMol

NMT-TY0543

Pose ID 4354 Compound 2637 Pose 291

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T07
T. brucei PTR1 T. brucei
Ligand NMT-TY0543
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
63.0 kcal/mol
Protein clashes
1
Internal clashes
2
Native overlap
contact recall 0.84, Jaccard 0.84, H-bond role recall 0.80
Burial
92%
Hydrophobic fit
63%
Reason: strain 63.0 kcal/mol
strain ΔE 63.0 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.396 kcal/mol/HA) ✓ Good fit quality (FQ -12.12) ✓ Strong H-bond network (13 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (63%) ✗ Extreme strain energy (63.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-30.721
kcal/mol
LE
-1.396
kcal/mol/HA
Fit Quality
-12.12
FQ (Leeson)
HAC
22
heavy atoms
MW
327
Da
LogP
-0.76
cLogP
Strain ΔE
63.0 kcal/mol
SASA buried
92%
Lipo contact
63% BSA apolar/total
SASA unbound
514 Ų
Apolar buried
298 Ų

Interaction summary

HB 13 HY 18 PI 3 CLASH 2
Final rank1.467Score-30.721
Inter norm-1.422Intra norm0.026
Top1000noExcludedno
Contacts16H-bonds13
Artifact reasongeometry warning; 10 clashes; 1 protein clash; 4 cofactor-context clashes; high strain Δ 63.0
Residues
ARG14 ASP161 CYS168 LEU208 LEU209 LYS178 MET213 NAP301 PHE171 PHE97 PRO210 SER207 SER95 TRP221 TYR174 VAL206

Protein summary

275 residues
Protein targetT07Atoms3932
Residues275Chains3
Residue summaryLEU:437; VAL:433; ALA:361; ARG:288; ILE:266; GLU:210; LYS:198; SER:198; ASN:182; THR:154; GLN:153; PHE:140; PRO:140; TYR:126; GLY:112; HIS:103

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:NAP301

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
NameTbPTR1_cW_6RX6_ReadyContacts19
PoseOpen native poseHB0
IFP residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LYS178 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 SER207 SER95 TRP221 TYR174 TYR98 VAL206
Current overlap16Native recall0.84
Jaccard0.84RMSD-
HB strict4Strict recall0.67
HB same residue+role4HB role recall0.80
HB same residue4HB residue recall0.80

HB · H-bonds

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

PI · π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
291 1.4665335177179741 -1.4222 -30.7212 13 16 16 0.84 0.80 - no Current
285 3.0376044302499703 -1.03006 -20.5804 12 18 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 -30.721kcal/mol
Ligand efficiency (LE) -1.3964kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.124
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 22HA

Physicochemical properties

Molecular weight 327.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.76
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 63.00kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -2.44kcal/mol
Minimised FF energy -65.44kcal/mol

SASA & burial

✓ computed
SASA (unbound) 513.6Ų
Total solvent-accessible surface area of free ligand
BSA total 470.9Ų
Buried surface area upon binding
BSA apolar 298.4Ų
Hydrophobic contacts buried
BSA polar 172.4Ų
Polar contacts buried
Fraction buried 91.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 63.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1466.0Ų
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 2051.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 910.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)