FAIRMol

OHD_TbNat_130

Pose ID 98 Compound 494 Pose 98

DB SELECTIONDocking 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_TbNat_130
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
53.0 kcal/mol
Protein clashes
2
Internal clashes
3
Native overlap
contact recall 0.71, Jaccard 0.58, H-bond role recall 0.40
Burial
76%
Hydrophobic fit
79%
Reason: strain 53.0 kcal/mol
strain ΔE 53.0 kcal/mol 2 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Good LE (-0.384 kcal/mol/HA) ✓ Good fit quality (FQ -4.25) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (76% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ Extreme strain energy (53.0 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (6) ✗ Many internal clashes (21)
Score
-19.953
kcal/mol
LE
-0.384
kcal/mol/HA
Fit Quality
-4.25
FQ (Leeson)
HAC
52
heavy atoms
MW
737
Da
LogP
-0.86
cLogP
Strain ΔE
53.0 kcal/mol
SASA buried
76%
Lipo contact
79% BSA apolar/total
SASA unbound
1020 Ų
Apolar buried
609 Ų

Interaction summary

HB 7 HY 16 PI 0 CLASH 3
Final rank2.811Score-19.953
Inter norm-0.566Intra norm0.182
Top1000noExcludedno
Contacts20H-bonds7
Artifact reasongeometry warning; 21 clashes; 6 protein contact clashes; 2 cofactor-context clashes; high strain Δ 45.9
Residues
ALA10 ARG29 ASN65 ASP22 GLN36 GLY21 ILE61 LEU23 LEU68 LYS64 LYS69 NAP201 PHE32 PHE35 PRO27 PRO62 PRO67 SER60 THR57 VAL116

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

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 overlap15Native recall0.71
Jaccard0.58RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
98 2.8113803210574972 -0.565921 -19.9528 7 20 15 0.71 0.40 - no Current
62 3.9469996843931527 -0.547104 -23.3043 11 14 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 -19.953kcal/mol
Ligand efficiency (LE) -0.3837kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -4.251
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 52HA

Physicochemical properties

Molecular weight 736.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.86
Lipinski: ≤ 5
Rotatable bonds 14

Conformational strain (MMFF94s)

Strain energy (ΔE) 53.05kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 201.83kcal/mol
Minimised FF energy 148.78kcal/mol

SASA & burial

✓ computed
SASA (unbound) 1020.2Ų
Total solvent-accessible surface area of free ligand
BSA total 774.8Ų
Buried surface area upon binding
BSA apolar 609.1Ų
Hydrophobic contacts buried
BSA polar 165.7Ų
Polar contacts buried
Fraction buried 75.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1895.8Ų
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 1677.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 594.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)