FAIRMol

OHD_TB2022_43

Pose ID 3452 Compound 334 Pose 66

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_TB2022_43
PDB8RHT

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
24.6 kcal/mol
Protein clashes
0
Internal clashes
11
Native overlap
contact recall 0.86, Jaccard 0.86, H-bond role recall 0.75
Burial
99%
Hydrophobic fit
88%
Reason: 11 internal clashes
11 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.350 kcal/mol/HA) ✓ Good fit quality (FQ -11.72) ✓ Good H-bonds (5 bonds) ✓ Deep burial (99% SASA buried) ✓ Lipophilic contacts well-matched (88%) ✗ High strain energy (24.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-29.701
kcal/mol
LE
-1.350
kcal/mol/HA
Fit Quality
-11.72
FQ (Leeson)
HAC
22
heavy atoms
MW
296
Da
LogP
1.83
cLogP
Strain ΔE
24.6 kcal/mol
SASA buried
99%
Lipo contact
88% BSA apolar/total
SASA unbound
540 Ų
Apolar buried
469 Ų

Interaction summary

HB 5 HY 24 PI 3 CLASH 0
Final rank1.389Score-29.701
Inter norm-1.323Intra norm-0.027
Top1000noExcludedno
Contacts18H-bonds5
Artifact reasongeometry warning; 11 clashes; 1 protein clash; moderate strain Δ 24.6
Residues
ALA34 ASP54 HIS182 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE58 PHE94 THR184 THR86 TRP49 TYR166 TYR57 VAL32 VAL33

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

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 overlap18Native recall0.86
Jaccard0.86RMSD-
HB strict4Strict recall0.80
HB same residue+role3HB role recall0.75
HB same residue3HB residue recall0.75

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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
67 0.7928207366882746 -1.67254 -37.1541 6 19 0 0.00 0.00 - no Open
77 0.9869853810536828 -1.63666 -35.606 8 15 0 0.00 0.00 - no Open
66 1.3888408286468275 -1.32294 -29.7007 5 18 18 0.86 0.75 - no Current
48 1.695588553657268 -1.03998 -23.2386 7 12 0 0.00 0.00 - no Open
76 1.7480065114852155 -1.15813 -25.3276 10 20 0 0.00 0.00 - no Open
59 1.8919563206205992 -1.10726 -25.5879 5 15 0 0.00 0.00 - no Open
83 2.0159000912756597 -1.2811 -29.0126 10 20 0 0.00 0.00 - no Open
59 2.3280503306333356 -1.23742 -26.5823 11 18 1 0.05 0.00 - no Open
72 4.68821905880012 -0.971398 -20.6672 8 10 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 -29.701kcal/mol
Ligand efficiency (LE) -1.3500kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.721
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 22HA

Physicochemical properties

Molecular weight 296.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.83
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.57kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 4.22kcal/mol
Minimised FF energy -20.36kcal/mol

SASA & burial

✓ computed
SASA (unbound) 540.0Ų
Total solvent-accessible surface area of free ligand
BSA total 532.2Ų
Buried surface area upon binding
BSA apolar 469.3Ų
Hydrophobic contacts buried
BSA polar 62.9Ų
Polar contacts buried
Fraction buried 98.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 88.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1706.2Ų
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 579.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)