FAIRMol

TC419

Pose ID 2279 Compound 369 Pose 246

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T04
L. major PTR1 L. major
Ligand TC419
PDB7PXX

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
42.0 kcal/mol
Protein clashes
2
Internal clashes
3
Native overlap
contact recall 0.74, Jaccard 0.64, H-bond role recall 0.60
Burial
70%
Hydrophobic fit
85%
Reason: no major geometry red flags detected
2 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.460 kcal/mol/HA) ✓ Good fit quality (FQ -4.83) ✓ Good H-bonds (5 bonds) ✓ Deep burial (70% SASA buried) ✓ Lipophilic contacts well-matched (85%) ✗ Extreme strain energy (42.0 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Many internal clashes (18)
Score
-18.858
kcal/mol
LE
-0.460
kcal/mol/HA
Fit Quality
-4.83
FQ (Leeson)
HAC
41
heavy atoms
MW
559
Da
LogP
6.18
cLogP
Strain ΔE
42.0 kcal/mol
SASA buried
70%
Lipo contact
85% BSA apolar/total
SASA unbound
921 Ų
Apolar buried
551 Ų

Interaction summary

HB 5 HY 21 PI 4 CLASH 3
Final rank1.898Score-18.858
Inter norm-0.592Intra norm0.132
Top1000noExcludedno
Contacts17H-bonds5
Artifact reasongeometry warning; 18 clashes; 3 protein contact clashes; 2 severe cofactor-context clashes; high strain Δ 40.7
Residues
ARG17 HIS241 LEU188 LEU226 LEU229 LYS198 LYS244 MET233 NDP302 PHE113 PRO115 SER111 TYR191 TYR194 TYR283 ALA288 ARG287

Protein summary

308 residues
Protein targetT04Atoms4210
Residues308Chains3
Residue summaryLEU:494; ALA:421; ARG:384; VAL:368; THR:295; TYR:231; SER:198; PRO:196; ILE:190; LYS:176; ASN:154; GLU:150; GLY:126; PHE:120; HIS:119; ASP:108

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:NDP302

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name7PXXContacts19
PoseOpen native poseHB0
IFP residues
ARG17 ASP181 GLY225 HIS241 LEU188 LEU226 LEU229 LYS198 MET233 NDP302 PHE113 PRO115 SER111 SER112 SER227 TYR191 TYR194 VAL230 ARG287
Current overlap14Native recall0.74
Jaccard0.64RMSD-
HB strict4Strict recall0.67
HB same residue+role3HB role recall0.60
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
246 1.8978868650394465 -0.592392 -18.8585 5 17 14 0.74 0.60 - no Current
305 2.1837762661457223 -0.679556 -21.0444 4 22 0 0.00 0.00 - no Open
227 2.84966926701502 -0.632613 -22.6906 12 17 0 0.00 0.00 - no Open
186 3.375695172911135 -0.680519 -21.3821 7 19 0 0.00 0.00 - no Open
204 3.967053383673706 -0.639174 -23.0484 5 12 0 0.00 0.00 - no Open
214 5.088743032232535 -0.858939 -31.7132 14 27 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 -18.858kcal/mol
Ligand efficiency (LE) -0.4600kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -4.833
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 41HA

Physicochemical properties

Molecular weight 558.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 6.18
Lipinski: ≤ 5
Rotatable bonds 12

Conformational strain (MMFF94s)

Strain energy (ΔE) 41.99kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 141.33kcal/mol
Minimised FF energy 99.34kcal/mol

SASA & burial

✓ computed
SASA (unbound) 920.8Ų
Total solvent-accessible surface area of free ligand
BSA total 649.1Ų
Buried surface area upon binding
BSA apolar 551.0Ų
Hydrophobic contacts buried
BSA polar 98.1Ų
Polar contacts buried
Fraction buried 70.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1939.6Ų
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 2179.4Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1048.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)