FAIRMol

OSA_Lib_246

Pose ID 1569 Compound 1065 Pose 214

DB fairmolDocking 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_246

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
45.5 kcal/mol
Protein clashes
0
Internal clashes
14
Native overlap
contact recall 0.80, Jaccard 0.64, H-bond role recall 0.00
Burial
95%
Hydrophobic fit
99%
Reason: 14 internal clashes, strain 45.5 kcal/mol
strain ΔE 45.5 kcal/mol 14 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.726 kcal/mol/HA) ✓ Good fit quality (FQ -7.27) ✓ Deep burial (95% SASA buried) ✓ Lipophilic contacts well-matched (99%) ✗ Extreme strain energy (45.5 kcal/mol) ✗ No H-bonds detected ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-24.691
kcal/mol
LE
-0.726
kcal/mol/HA
Fit Quality
-7.27
FQ (Leeson)
HAC
34
heavy atoms
MW
464
Da
LogP
0.11
cLogP
Strain ΔE
45.5 kcal/mol
SASA buried
95%
Lipo contact
99% BSA apolar/total
SASA unbound
783 Ų
Apolar buried
741 Ų

Interaction summary

HB 0 HY 24 PI 2 CLASH 0

HB · H-bonds

No hb · h-bonds detected for this pose.

PI · π–π interactions

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

HY · Hydrophobic contacts

CLASH · Clashes

No clash · clashes detected for this pose.
Final rank0.697Score-24.691
Inter norm-0.851Intra norm0.125
Top1000noExcludedno
Contacts21H-bonds0
Artifact reasongeometry warning; 14 clashes; high strain Δ 45.5
Residues
ALA32 ARG48 ARG97 ASP52 ILE45 LEU94 LYS57 LYS95 MET53 NDP301 PHE56 PHE91 PRO88 PRO93 SER86 THR83 TRP47 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 overlap16Native recall0.80
Jaccard0.64RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
214 0.6971438587636787 -0.850919 -24.6908 0 21 16 0.80 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 -24.691kcal/mol
Ligand efficiency (LE) -0.7262kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.266
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 463.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.11
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 45.46kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 372.48kcal/mol
Minimised FF energy 327.02kcal/mol

SASA & burial

✓ computed
SASA (unbound) 782.8Ų
Total solvent-accessible surface area of free ligand
BSA total 745.7Ų
Buried surface area upon binding
BSA apolar 741.4Ų
Hydrophobic contacts buried
BSA polar 4.3Ų
Polar contacts buried
Fraction buried 95.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 99.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1815.6Ų
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 783.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)