FAIRMol

OHD_Leishmania_238

Pose ID 22 Compound 233 Pose 22

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T01
Human DHFR Human
Ligand OHD_Leishmania_238
PDB5SD8

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
27.3 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.81, Jaccard 0.68, H-bond role recall 0.00
Burial
86%
Hydrophobic fit
92%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.482 kcal/mol/HA) ✓ Good fit quality (FQ -4.93) ✓ Deep burial (86% SASA buried) ✓ Lipophilic contacts well-matched (92%) ✗ High strain energy (27.3 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Many internal clashes (14)
Score
-17.819
kcal/mol
LE
-0.482
kcal/mol/HA
Fit Quality
-4.93
FQ (Leeson)
HAC
37
heavy atoms
MW
507
Da
LogP
4.94
cLogP
Strain ΔE
27.3 kcal/mol
SASA buried
86%
Lipo contact
92% BSA apolar/total
SASA unbound
827 Ų
Apolar buried
655 Ų

Interaction summary

HB 2 HY 24 PI 1 CLASH 5

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 rank1.615Score-17.819
Inter norm-0.731Intra norm0.250
Top1000noExcludedno
Contacts21H-bonds2
Artifact reasongeometry warning; 14 clashes; 5 protein contact clashes; 1 severe cofactor-context clash; moderate strain Δ 27.3
Residues
ALA10 ARG29 ASP22 GLU31 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO27 SER60 THR137 THR57 TRP25 TYR122 TYR34 VAL116 VAL9

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5SD8Contacts21
PoseOpen native poseHB0
IFP residues
ALA10 ASN65 ASP22 GLN36 GLU31 GLY117 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO62 SER60 THR137 THR57 TYR122 VAL116 VAL9
Current overlap17Native recall0.81
Jaccard0.68RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

Protein summary

200 residues
Protein targetT01Atoms3128
Residues200Chains2
Residue summaryLYS:374; LEU:361; GLU:240; VAL:224; ARG:192; PHE:180; ILE:171; PRO:168; ASN:140; SER:132; TYR:126; GLN:119; ASP:108; MET:102; THR:98; GLY:91

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:NAP201

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
22 1.6145401945819138 -0.731301 -17.8188 2 21 17 0.81 0.00 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -17.819kcal/mol
Ligand efficiency (LE) -0.4816kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -4.930
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 37HA

Physicochemical properties

Molecular weight 506.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.94
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 27.34kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 57.30kcal/mol
Minimised FF energy 29.96kcal/mol

SASA & burial

✓ computed
SASA (unbound) 826.6Ų
Total solvent-accessible surface area of free ligand
BSA total 711.5Ų
Buried surface area upon binding
BSA apolar 654.9Ų
Hydrophobic contacts buried
BSA polar 56.6Ų
Polar contacts buried
Fraction buried 86.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 92.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1847.1Ų
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 1677.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 594.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)