FAIRMol

ulfkktlib_2271

Pose ID 6228 Compound 3513 Pose 132

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T10
L. infantum R5P L. infantum
Ligand ulfkktlib_2271

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 strong SASA done
Strain ΔE
22.2 kcal/mol
Protein clashes
6
Internal clashes
6
Native overlap
contact recall 0.82, Jaccard 0.82, H-bond role recall 0.45
Burial
94%
Hydrophobic fit
68%
Reason: 6 internal clashes
6 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.706 kcal/mol/HA) ✓ Good fit quality (FQ -12.61) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (68%) ✗ High strain energy (22.2 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-25.590
kcal/mol
LE
-1.706
kcal/mol/HA
Fit Quality
-12.61
FQ (Leeson)
HAC
15
heavy atoms
MW
224
Da
LogP
1.79
cLogP
Strain ΔE
22.2 kcal/mol
SASA buried
94%
Lipo contact
68% BSA apolar/total
SASA unbound
393 Ų
Apolar buried
250 Ų

Interaction summary

HB 10 HY 3 PI 2 CLASH 6

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 rank4.017Score-25.590
Inter norm-1.721Intra norm0.015
Top1000noExcludedno
Contacts14H-bonds10
Artifact reasongeometry warning; 6 clashes; 3 protein clashes; moderate strain Δ 22.2
Residues
ARG116 ARG140 ARG144 ASN106 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 ILE76 THR74 TYR49

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name6FXWContacts17
PoseOpen native poseHB0
IFP residues
ALA15 ARG116 ARG140 ARG144 ASN106 ASP13 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 ILE76 LEU101 THR74 TYR49
Current overlap14Native recall0.82
Jaccard0.82RMSD-
HB strict7Strict recall0.54
HB same residue+role5HB role recall0.45
HB same residue6HB residue recall0.55

Protein summary

155 residues
Protein targetT10Atoms4590
Residues155Chains1
Residue summaryILE:494; ARG:384; ALA:360; VAL:352; LEU:304; GLU:300; THR:280; MET:272; LYS:220; ASP:216; TYR:210; HIS:204; GLY:182; SER:176; GLN:170; ASN:140

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
157 1.9312909607170594 -1.70836 -25.1673 7 12 0 0.00 0.00 - no Open
132 4.017356864412999 -1.72096 -25.5904 10 14 14 0.82 0.45 - 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 -25.590kcal/mol
Ligand efficiency (LE) -1.7060kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.606
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 15HA

Physicochemical properties

Molecular weight 224.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.79
Lipinski: ≤ 5
Rotatable bonds 2

Conformational strain (MMFF94s)

Strain energy (ΔE) 22.22kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 46.94kcal/mol
Minimised FF energy 24.72kcal/mol

SASA & burial

✓ computed
SASA (unbound) 393.5Ų
Total solvent-accessible surface area of free ligand
BSA total 371.0Ų
Buried surface area upon binding
BSA apolar 250.4Ų
Hydrophobic contacts buried
BSA polar 120.6Ų
Polar contacts buried
Fraction buried 94.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 67.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2022.1Ų
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 2417.4Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 645.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)