FAIRMol

ulfkktlib_165

Pose ID 1585 Compound 1062 Pose 230

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 ulfkktlib_165

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
16.2 kcal/mol
Protein clashes
5
Internal clashes
6
Native overlap
contact recall 0.40, Jaccard 0.33, H-bond role recall 0.20
Burial
75%
Hydrophobic fit
93%
Reason: 6 internal clashes
5 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.870 kcal/mol/HA) ✓ Good fit quality (FQ -8.39) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (75% SASA buried) ✓ Lipophilic contacts well-matched (93%) ✗ Moderate strain (16.2 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Internal clashes (6)
Score
-26.102
kcal/mol
LE
-0.870
kcal/mol/HA
Fit Quality
-8.39
FQ (Leeson)
HAC
30
heavy atoms
MW
404
Da
LogP
3.28
cLogP
Strain ΔE
16.2 kcal/mol
SASA buried
75%
Lipo contact
93% BSA apolar/total
SASA unbound
726 Ų
Apolar buried
510 Ų

Interaction summary

HB 6 HY 24 PI 1 CLASH 0
Final rank0.645Score-26.102
Inter norm-0.898Intra norm0.028
Top1000noExcludedno
Contacts12H-bonds6
Artifact reasongeometry warning; 6 clashes; 5 protein contact clashes
Residues
ARG97 LEU94 LYS57 LYS90 LYS95 MET53 PHE56 PHE91 PRO50 PRO88 PRO93 THR54

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

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 overlap8Native recall0.40
Jaccard0.33RMSD-
HB strict2Strict recall0.29
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
230 0.6447663370231752 -0.897708 -26.1019 6 12 8 0.40 0.20 - no Current
175 2.566250603467017 -0.809111 -20.3852 5 18 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 -26.102kcal/mol
Ligand efficiency (LE) -0.8701kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.393
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 403.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.28
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 16.18kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 62.36kcal/mol
Minimised FF energy 46.18kcal/mol

SASA & burial

✓ computed
SASA (unbound) 725.9Ų
Total solvent-accessible surface area of free ligand
BSA total 546.8Ų
Buried surface area upon binding
BSA apolar 509.8Ų
Hydrophobic contacts buried
BSA polar 37.0Ų
Polar contacts buried
Fraction buried 75.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 93.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1663.4Ų
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 843.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)