FAIRMol

OHD_TC1_128

Pose ID 3465 Compound 139 Pose 79

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T06
T. brucei DHFR T. brucei
Ligand OHD_TC1_128
PDB8RHT

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
41.4 kcal/mol
Protein clashes
11
Internal clashes
11
Native overlap
contact recall 0.81, Jaccard 0.65, H-bond role recall 0.00
Burial
92%
Hydrophobic fit
90%
Reason: 11 protein-contact clashes, 11 internal clashes
11 protein-contact clashes 11 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Good LE (-0.346 kcal/mol/HA) ✓ Good fit quality (FQ -3.44) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (90%) ✗ Extreme strain energy (41.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-11.430
kcal/mol
LE
-0.346
kcal/mol/HA
Fit Quality
-3.44
FQ (Leeson)
HAC
33
heavy atoms
MW
449
Da
LogP
2.81
cLogP
Strain ΔE
41.4 kcal/mol
SASA buried
92%
Lipo contact
90% BSA apolar/total
SASA unbound
775 Ų
Apolar buried
643 Ų

Interaction summary

HB 2 HY 24 PI 5 CLASH 11

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

Final rank3.366Score-11.430
Inter norm-0.691Intra norm0.311
Top1000noExcludedno
Contacts22H-bonds2
Artifact reasongeometry warning; 10 clashes; 1 protein clash; high strain Δ 41.4
Residues
ALA34 ARG100 ARG59 ASP54 GLN56 GLU50 HIS182 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE233 PHE58 PHE94 PRO52 THR184 TYR166 TYR57 VAL32 VAL33

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name8RHTContacts21
PoseOpen native poseHB0
IFP residues
ALA34 ASP54 HIS182 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE233 PHE58 PHE94 PRO91 SER89 THR184 THR86 TRP49 TYR166 TYR57 VAL32 VAL33
Current overlap17Native recall0.81
Jaccard0.65RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

Protein summary

223 residues
Protein targetT06Atoms3452
Residues223Chains1
Residue summaryARG:408; VAL:352; LYS:308; LEU:304; PRO:238; ILE:209; GLU:195; THR:182; SER:176; ALA:160; PHE:140; ASN:126; GLY:126; ASP:108; GLN:85; NDP:74

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:NDP301

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
105 1.1800711166317095 -0.837603 -21.8317 4 17 0 0.00 0.00 - no Open
71 1.6016816228664295 -0.880164 -24.3996 5 17 1 0.05 0.00 - no Open
100 1.9599209122848 -0.906175 -22.1958 4 20 0 0.00 0.00 - no Open
103 2.7335221557955 -0.670651 -21.1159 4 14 0 0.00 0.00 - no Open
79 3.3657131834329697 -0.691133 -11.4298 2 22 17 0.81 0.00 - no Current
77 3.5316736013171544 -0.813527 -23.824 10 20 0 0.00 0.00 - no Open
75 4.0501665220568395 -0.637874 -18.5063 4 13 0 0.00 0.00 - no Open
52 4.47344709048939 -0.842886 -26.0017 9 20 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 -11.430kcal/mol
Ligand efficiency (LE) -0.3464kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -3.437
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 448.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.81
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 41.38kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -38.49kcal/mol
Minimised FF energy -79.87kcal/mol

SASA & burial

✓ computed
SASA (unbound) 774.8Ų
Total solvent-accessible surface area of free ligand
BSA total 715.4Ų
Buried surface area upon binding
BSA apolar 643.3Ų
Hydrophobic contacts buried
BSA polar 72.1Ų
Polar contacts buried
Fraction buried 92.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 89.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1910.2Ų
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 1808.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 588.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)