FAIRMol

OHD_TbNat_97

Pose ID 93 Compound 163 Pose 93

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_97
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
44.7 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.81, Jaccard 0.68, H-bond role recall 0.40
Burial
84%
Hydrophobic fit
82%
Reason: strain 44.7 kcal/mol
strain ΔE 44.7 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Good LE (-0.387 kcal/mol/HA) ✓ Good fit quality (FQ -4.15) ✓ Good H-bonds (5 bonds) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ Extreme strain energy (44.7 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Many internal clashes (11)
Score
-17.394
kcal/mol
LE
-0.387
kcal/mol/HA
Fit Quality
-4.15
FQ (Leeson)
HAC
45
heavy atoms
MW
619
Da
LogP
8.03
cLogP
Strain ΔE
44.7 kcal/mol
SASA buried
84%
Lipo contact
82% BSA apolar/total
SASA unbound
870 Ų
Apolar buried
601 Ų

Interaction summary

HB 5 HY 24 PI 1 CLASH 1
Final rank1.302Score-17.394
Inter norm-0.569Intra norm0.182
Top1000noExcludedno
Contacts21H-bonds5
Artifact reasongeometry warning; 11 clashes; 3 protein contact clashes; high strain Δ 44.4
Residues
ALA10 ARG29 ASN65 GLU31 ILE61 ILE8 LEU23 LEU28 LEU68 NAP201 PHE32 PHE35 PRO27 PRO62 SER60 THR137 THR57 TYR122 TYR34 VAL116 VAL9

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 overlap17Native recall0.81
Jaccard0.68RMSD-
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

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
93 1.3022389077383945 -0.568955 -17.3944 5 21 17 0.81 0.40 - 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 -17.394kcal/mol
Ligand efficiency (LE) -0.3865kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -4.151
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 45HA

Physicochemical properties

Molecular weight 618.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 8.03
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 44.69kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 140.70kcal/mol
Minimised FF energy 96.01kcal/mol

SASA & burial

✓ computed
SASA (unbound) 870.0Ų
Total solvent-accessible surface area of free ligand
BSA total 734.9Ų
Buried surface area upon binding
BSA apolar 600.5Ų
Hydrophobic contacts buried
BSA polar 134.4Ų
Polar contacts buried
Fraction buried 84.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1816.1Ų
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 583.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)