FAIRMol

Z18522399

Pose ID 14872 Compound 3901 Pose 634

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T22
L. donovani rab5a L. donovani
Ligand Z18522399

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 mixed SASA done
Strain ΔE
26.9 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.48, Jaccard 0.33, H-bond role recall 0.36
Burial
88%
Hydrophobic fit
76%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.923 kcal/mol/HA) ✓ Good fit quality (FQ -8.91) ✓ Good H-bonds (5 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (76%) ✗ High strain energy (26.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-27.701
kcal/mol
LE
-0.923
kcal/mol/HA
Fit Quality
-8.91
FQ (Leeson)
HAC
30
heavy atoms
MW
518
Da
LogP
3.39
cLogP
Final rank
4.7424
rank score
Inter norm
-1.003
normalised
Contacts
19
H-bonds 7
Strain ΔE
26.9 kcal/mol
SASA buried
88%
Lipo contact
76% BSA apolar/total
SASA unbound
714 Ų
Apolar buried
476 Ų

Interaction summary

HBD 1 HBA 4 HY 5 PI 0 CLASH 5

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 4.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
NameRAB5AContacts21
PoseOpen native poseHB0
IFP residues
ALA158 ALA24 ALA40 ASN126 ASN41 ASP129 GLN42 GLU21 GLU73 GLY23 GLY25 LEU130 LEU39 LYS127 LYS159 LYS26 PHE38 SER157 SER22 SER27 SER28
Current overlap10Native recall0.48
Jaccard0.33RMSD-
HB strict5Strict recall0.33
HB same residue+role4HB role recall0.36
HB same residue5HB residue recall0.45

Protein summary

165 residues
Protein targetT22Atoms2561
Residues165Chains1
Residue summaryLEU:363; LYS:242; ALA:231; ARG:214; ILE:190; GLU:180; VAL:144; SER:143; PHE:140; ASN:112; THR:112; TYR:105; GLN:102; ASP:96; GLY:77; TRP:48

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
618 2.8873389375311334 -0.948526 -25.5779 10 21 0 0.00 0.00 - no Open
606 3.4745297239786606 -0.915019 -21.1489 13 19 0 0.00 0.00 - no Open
634 4.742434382860903 -1.00297 -27.7013 7 19 10 0.48 0.36 - 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 -27.701kcal/mol
Ligand efficiency (LE) -0.9234kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.907
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 517.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.39
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 26.94kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 2.79kcal/mol
Minimised FF energy -24.15kcal/mol

SASA & burial

✓ computed
SASA (unbound) 714.0Ų
Total solvent-accessible surface area of free ligand
BSA total 628.7Ų
Buried surface area upon binding
BSA apolar 476.1Ų
Hydrophobic contacts buried
BSA polar 152.6Ų
Polar contacts buried
Fraction buried 88.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 75.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1378.3Ų
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 1368.5Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 548.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)