FAIRMol

OHD_TbNat_105

Pose ID 765 Compound 590 Pose 87

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T02
Human DHFR Human
Ligand OHD_TbNat_105
PDB5SD8

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
36.6 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.71, Jaccard 0.62, H-bond role recall 0.80
Burial
83%
Hydrophobic fit
71%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.911 kcal/mol/HA) ✓ Good fit quality (FQ -8.88) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (83% SASA buried) ✓ Lipophilic contacts well-matched (71%) ✗ Very high strain energy (36.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-28.249
kcal/mol
LE
-0.911
kcal/mol/HA
Fit Quality
-8.88
FQ (Leeson)
HAC
31
heavy atoms
MW
434
Da
LogP
-0.43
cLogP
Strain ΔE
36.6 kcal/mol
SASA buried
83%
Lipo contact
71% BSA apolar/total
SASA unbound
656 Ų
Apolar buried
389 Ų

Interaction summary

HB 8 HY 24 PI 1 CLASH 2
Final rank3.609Score-28.249
Inter norm-0.991Intra norm0.079
Top1000noExcludedno
Contacts18H-bonds8
Artifact reasongeometry warning; 15 clashes; 2 protein clashes; 1 cofactor-context clash; high strain Δ 36.6
Residues
ALA10 ARG29 ASN65 GLU31 GLY117 ILE8 LEU23 LEU28 NAP201 PHE32 PHE35 PRO27 PRO62 THR137 THR57 TYR122 VAL116 VAL9

Protein summary

200 residues
Protein targetT02Atoms3128
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
Jaccard0.62RMSD-
HB strict4Strict recall0.80
HB same residue+role4HB role recall0.80
HB same residue4HB residue recall0.80

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
84 1.9283747913911469 -0.937103 -29.9449 8 20 0 0.00 0.00 - no Open
85 1.9638541658565332 -1.04432 -33.1247 10 16 0 0.00 0.00 - no Open
82 2.7477651806865784 -0.704502 -22.1569 6 9 0 0.00 0.00 - no Open
61 2.9989557037730235 -1.02195 -30.4885 6 17 0 0.00 0.00 - no Open
95 3.5606381975773203 -0.992076 -29.9451 7 18 14 0.67 0.60 - no Open
87 3.609197073864286 -0.990527 -28.2491 8 18 15 0.71 0.80 - no Current
50 4.410605974812835 -0.739197 -19.1231 6 15 0 0.00 0.00 - no Open
56 5.214374327704846 -0.914804 -22.8988 10 19 0 0.00 0.00 - no Open
46 5.301391019846421 -1.08605 -29.5892 16 18 0 0.00 0.00 - no Open
67 5.810432988084876 -0.801214 -24.8901 10 12 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 -28.249kcal/mol
Ligand efficiency (LE) -0.9113kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.878
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 434.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.43
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 36.58kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 197.49kcal/mol
Minimised FF energy 160.91kcal/mol

SASA & burial

✓ computed
SASA (unbound) 656.4Ų
Total solvent-accessible surface area of free ligand
BSA total 547.4Ų
Buried surface area upon binding
BSA apolar 389.4Ų
Hydrophobic contacts buried
BSA polar 158.0Ų
Polar contacts buried
Fraction buried 83.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 71.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1561.3Ų
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 601.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)