FAIRMol

OHD_MAC_40

Pose ID 3733 Compound 1803 Pose 347

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_MAC_40
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
25.1 kcal/mol
Protein clashes
0
Internal clashes
9
Native overlap
contact recall 0.81, Jaccard 0.77, H-bond role recall 1.00
Burial
99%
Hydrophobic fit
83%
Reason: 9 internal clashes
9 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.172 kcal/mol/HA) ✓ Good fit quality (FQ -9.81) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (99% SASA buried) ✓ Lipophilic contacts well-matched (83%) ✗ High strain energy (25.1 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-23.445
kcal/mol
LE
-1.172
kcal/mol/HA
Fit Quality
-9.81
FQ (Leeson)
HAC
20
heavy atoms
MW
288
Da
LogP
2.10
cLogP
Strain ΔE
25.1 kcal/mol
SASA buried
99%
Lipo contact
83% BSA apolar/total
SASA unbound
501 Ų
Apolar buried
410 Ų

Interaction summary

HB 7 HY 24 PI 3 CLASH 0

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.
Final rank2.241Score-23.445
Inter norm-1.236Intra norm0.063
Top1000noExcludedno
Contacts18H-bonds7
Artifact reasongeometry warning; 9 clashes; 2 protein clashes; moderate strain Δ 25.1
Residues
ALA34 ASP54 GLU50 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE233 PHE58 PHE94 PRO91 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
Jaccard0.77RMSD-
HB strict4Strict recall0.80
HB same residue+role4HB role recall1.00
HB same residue4HB residue recall1.00

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
325 -0.10428595609459916 -1.68872 -28.4343 9 12 0 0.00 0.00 - no Open
350 -0.0963843955944399 -1.78689 -30.3088 12 14 0 0.00 0.00 - no Open
363 1.3439081342437835 -1.29835 -23.9185 11 15 0 0.00 0.00 - no Open
362 1.431244116340667 -1.3278 -15.4369 4 11 0 0.00 0.00 - no Open
347 2.241481366072418 -1.23563 -23.4445 7 18 17 0.81 1.00 - no Current
407 5.0763467381444825 -1.14673 -21.003 13 13 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 -23.445kcal/mol
Ligand efficiency (LE) -1.1722kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.809
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 20HA

Physicochemical properties

Molecular weight 287.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.10
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 25.09kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 88.91kcal/mol
Minimised FF energy 63.82kcal/mol

SASA & burial

✓ computed
SASA (unbound) 500.6Ų
Total solvent-accessible surface area of free ligand
BSA total 495.3Ų
Buried surface area upon binding
BSA apolar 409.5Ų
Hydrophobic contacts buried
BSA polar 85.8Ų
Polar contacts buried
Fraction buried 98.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1622.7Ų
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 601.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)