FAIRMol

OSA_Lib_89

Pose ID 1549 Compound 1128 Pose 194

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T03
L. major DHFR L. major
Ligand OSA_Lib_89

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
33.6 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.90, Jaccard 0.78, H-bond role recall 0.20
Burial
95%
Hydrophobic fit
98%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.917 kcal/mol/HA) ✓ Good fit quality (FQ -9.17) ✓ Deep burial (95% SASA buried) ✓ Lipophilic contacts well-matched (98%) ✗ Very high strain energy (33.6 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Many internal clashes (18)
Score
-31.172
kcal/mol
LE
-0.917
kcal/mol/HA
Fit Quality
-9.17
FQ (Leeson)
HAC
34
heavy atoms
MW
463
Da
LogP
0.57
cLogP
Strain ΔE
33.6 kcal/mol
SASA buried
95%
Lipo contact
98% BSA apolar/total
SASA unbound
771 Ų
Apolar buried
717 Ų

Interaction summary

HB 1 HY 24 PI 2 CLASH 1

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 rank1.452Score-31.172
Inter norm-0.913Intra norm-0.003
Top1000noExcludedno
Contacts21H-bonds1
Artifact reasongeometry warning; 18 clashes; 2 protein contact clashes; high strain Δ 33.6
Residues
ALA32 ARG48 ARG97 ASP52 ILE45 LEU94 LYS57 MET53 NDP301 PHE56 PHE91 PRO88 SER86 THR83 TRP47 TYR162 VAL156 VAL30 VAL31 VAL49 VAL87

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name3CL9Contacts20
PoseOpen native poseHB0
IFP residues
ALA32 ARG97 ASP52 ILE45 LEU94 LYS57 MET53 NDP301 PHE56 PHE91 PRO88 SER86 THR180 THR54 THR83 TYR162 VAL156 VAL30 VAL31 VAL87
Current overlap18Native recall0.90
Jaccard0.78RMSD-
HB strict1Strict recall0.14
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

Protein summary

225 residues
Protein targetT03Atoms3428
Residues225Chains2
Residue summaryLEU:380; ARG:360; VAL:272; LYS:264; ALA:240; GLU:240; PRO:224; PHE:180; THR:154; ILE:152; SER:132; TYR:126; GLN:119; ASN:98; GLY:84; 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
194 1.4524061843732523 -0.913339 -31.1721 1 21 18 0.90 0.20 - 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 -31.172kcal/mol
Ligand efficiency (LE) -0.9168kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.174
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 462.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.57
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 33.65kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 220.77kcal/mol
Minimised FF energy 187.12kcal/mol

SASA & burial

✓ computed
SASA (unbound) 770.6Ų
Total solvent-accessible surface area of free ligand
BSA total 733.6Ų
Buried surface area upon binding
BSA apolar 717.0Ų
Hydrophobic contacts buried
BSA polar 16.6Ų
Polar contacts buried
Fraction buried 95.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 97.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1790.7Ų
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 1820.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 782.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)