FAIRMol

Z57906434

Pose ID 14717 Compound 1063 Pose 479

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 Z57906434

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding strong Geometry medium Native strong SASA done
Strain ΔE
13.3 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.76, Jaccard 0.73, H-bond role recall 0.45
Burial
84%
Hydrophobic fit
72%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes 42% of hydrophobic surface appears solvent-exposed (8/19 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.355 kcal/mol/HA) ✓ Good fit quality (FQ -12.48) ✓ Strong H-bond network (14 bonds) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (72%) ✗ Moderate strain (13.3 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-35.225
kcal/mol
LE
-1.355
kcal/mol/HA
Fit Quality
-12.48
FQ (Leeson)
HAC
26
heavy atoms
MW
372
Da
LogP
2.94
cLogP
Strain ΔE
13.3 kcal/mol
SASA buried
84%
Lipo contact
72% BSA apolar/total
SASA unbound
628 Ų
Apolar buried
377 Ų

Interaction summary

HB 14 HY 15 PI 1 CLASH 3 ⚠ Exposure 42%

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

⚠️Partial hydrophobic solvent exposure
42% of hydrophobic surface appears solvent-exposed (8/19 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 19 Buried (contacted) 11 Exposed 8 LogP 2.94 H-bonds 14
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (2 atoms exposed)
Final rank4.280Score-35.225
Inter norm-1.469Intra norm0.114
Top1000noExcludedno
Contacts17H-bonds14
Artifact reasongeometry warning; 6 clashes; 3 protein clashes
Residues
ALA24 ALA40 ASN41 GLN42 GLU21 GLU73 GLY23 GLY25 LEU39 LYS127 LYS159 LYS26 PHE38 SER22 SER27 SER28 THR44

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 overlap16Native recall0.76
Jaccard0.73RMSD-
HB strict6Strict recall0.40
HB same residue+role5HB role recall0.45
HB same residue6HB residue recall0.55

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
506 0.4754442014664873 -0.866465 -17.7436 3 13 0 0.00 0.00 - no Open
499 0.6625064591564637 -1.01915 -20.2949 5 15 0 0.00 0.00 - no Open
474 3.0237680125739086 -0.972343 -19.2689 4 18 1 0.05 0.00 - no Open
461 3.8456029025782232 -1.08628 -23.2623 12 17 0 0.00 0.00 - no Open
484 4.070340177265735 -0.975432 -21.9677 12 17 0 0.00 0.00 - no Open
479 4.280190594778117 -1.46863 -35.2248 14 17 16 0.76 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 -35.225kcal/mol
Ligand efficiency (LE) -1.3548kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.482
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 372.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.94
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 13.30kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -72.66kcal/mol
Minimised FF energy -85.97kcal/mol

SASA & burial

✓ computed
SASA (unbound) 628.0Ų
Total solvent-accessible surface area of free ligand
BSA total 525.0Ų
Buried surface area upon binding
BSA apolar 377.2Ų
Hydrophobic contacts buried
BSA polar 147.9Ų
Polar contacts buried
Fraction buried 83.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 71.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1318.0Ų
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 1368.5Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 525.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)