FAIRMol

KB_Leish_40

Pose ID 155 Compound 400 Pose 155

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 KB_Leish_40
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
42.2 kcal/mol
Protein clashes
3
Internal clashes
5
Native overlap
contact recall 0.86, Jaccard 0.72, H-bond role recall 0.00
Burial
90%
Hydrophobic fit
89%
Reason: strain 42.2 kcal/mol
strain ΔE 42.2 kcal/mol 3 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.920 kcal/mol/HA) ✓ Good fit quality (FQ -8.78) ✓ Good H-bonds (4 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (89%) ✗ Extreme strain energy (42.2 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-26.667
kcal/mol
LE
-0.920
kcal/mol/HA
Fit Quality
-8.78
FQ (Leeson)
HAC
29
heavy atoms
MW
388
Da
LogP
2.47
cLogP
Strain ΔE
42.2 kcal/mol
SASA buried
90%
Lipo contact
89% BSA apolar/total
SASA unbound
737 Ų
Apolar buried
590 Ų

Interaction summary

HB 4 HY 24 PI 2 CLASH 5
Final rank2.351Score-26.667
Inter norm-0.924Intra norm0.005
Top1000noExcludedno
Contacts22H-bonds4
Artifact reasongeometry warning; 9 clashes; 1 protein clash; 2 cofactor-context clashes; high strain Δ 42.2
Residues
ALA10 ASP22 GLU31 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE135 PHE180 PHE32 PHE35 PRO62 SER60 THR137 THR57 TYR122 TYR34 VAL116 VAL136 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 overlap18Native recall0.86
Jaccard0.72RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
155 2.3507399186119113 -0.924223 -26.6674 4 22 18 0.86 0.00 - no Current
151 2.4780143162078496 -0.748644 -18.6901 8 12 0 0.00 0.00 - no Open
147 2.521922647015896 -1.17277 -26.7971 5 16 0 0.00 0.00 - no Open
117 2.522623868849702 -1.0011 -24.7836 6 20 0 0.00 0.00 - no Open
90 2.7270695040419697 -1.20729 -38.0707 8 24 0 0.00 0.00 - no Open
117 2.8637611573919117 -0.895553 -29.8517 9 17 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 -26.667kcal/mol
Ligand efficiency (LE) -0.9196kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.778
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 388.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.47
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 42.20kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 44.98kcal/mol
Minimised FF energy 2.78kcal/mol

SASA & burial

✓ computed
SASA (unbound) 737.2Ų
Total solvent-accessible surface area of free ligand
BSA total 665.1Ų
Buried surface area upon binding
BSA apolar 589.8Ų
Hydrophobic contacts buried
BSA polar 75.3Ų
Polar contacts buried
Fraction buried 90.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 88.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1713.0Ų
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 619.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)