FAIRMol

OHD_Leishmania_128

Pose ID 3393 Compound 261 Pose 7

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_Leishmania_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
63.5 kcal/mol
Protein clashes
6
Internal clashes
6
Native overlap
contact recall 0.81, Jaccard 0.65, H-bond role recall 1.00
Burial
91%
Hydrophobic fit
79%
Reason: 6 internal clashes, strain 63.5 kcal/mol
strain ΔE 63.5 kcal/mol 6 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.868 kcal/mol/HA) ✓ Good fit quality (FQ -8.61) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (91% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ Extreme strain energy (63.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-28.646
kcal/mol
LE
-0.868
kcal/mol/HA
Fit Quality
-8.61
FQ (Leeson)
HAC
33
heavy atoms
MW
452
Da
LogP
0.57
cLogP
Strain ΔE
63.5 kcal/mol
SASA buried
91%
Lipo contact
79% BSA apolar/total
SASA unbound
754 Ų
Apolar buried
538 Ų

Interaction summary

HB 10 HY 24 PI 3 CLASH 6

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 rank4.225Score-28.646
Inter norm-0.814Intra norm-0.070
Top1000noExcludedno
Contacts22H-bonds10
Artifact reasongeometry warning; 13 clashes; 2 protein clashes; high strain Δ 49.1
Residues
ALA34 ARG100 ARG59 ASP54 GLN56 GLU50 HIS182 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE58 PHE94 PRO52 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
Jaccard0.65RMSD-
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
13 1.7342413198435611 -0.802353 -28.0459 6 20 0 0.00 0.00 - no Open
13 2.100363463450513 -1.05159 -35.2196 9 18 0 0.00 0.00 - no Open
8 3.6227570988795805 -0.825936 -29.0911 6 20 0 0.00 0.00 - no Open
9 3.780912972736006 -0.796227 -27.7839 10 22 0 0.00 0.00 - no Open
7 4.13022559145052 -0.827131 -28.0835 10 21 1 0.05 0.00 - no Open
7 4.225100425984698 -0.813927 -28.646 10 22 17 0.81 1.00 - no Current
8 4.56511958635522 -0.585557 -19.9246 7 12 0 0.00 0.00 - no Open
10 4.8184634502778785 -0.672055 -23.3462 10 19 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 -28.646kcal/mol
Ligand efficiency (LE) -0.8681kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.613
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 451.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.57
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 63.55kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 48.08kcal/mol
Minimised FF energy -15.47kcal/mol

SASA & burial

✓ computed
SASA (unbound) 754.2Ų
Total solvent-accessible surface area of free ligand
BSA total 684.0Ų
Buried surface area upon binding
BSA apolar 538.3Ų
Hydrophobic contacts buried
BSA polar 145.7Ų
Polar contacts buried
Fraction buried 90.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1824.8Ų
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 579.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)