FAIRMol

OSA_Lib_301

Pose ID 14396 Compound 3060 Pose 158

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 OSA_Lib_301

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 strong SASA done
Strain ΔE
16.6 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.95, Jaccard 0.80, H-bond role recall 0.18
Burial
92%
Hydrophobic fit
97%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.954 kcal/mol/HA) ✓ Good fit quality (FQ -9.29) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (97%) ✗ Moderate strain (16.6 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Many internal clashes (15)
Score
-29.576
kcal/mol
LE
-0.954
kcal/mol/HA
Fit Quality
-9.29
FQ (Leeson)
HAC
31
heavy atoms
MW
413
Da
LogP
3.60
cLogP
Strain ΔE
16.6 kcal/mol
SASA buried
92%
Lipo contact
97% BSA apolar/total
SASA unbound
704 Ų
Apolar buried
629 Ų

Interaction summary

HB 6 HY 15 PI 1 CLASH 3
Final rank1.539Score-29.576
Inter norm-0.998Intra norm0.044
Top1000noExcludedno
Contacts24H-bonds6
Artifact reasongeometry warning; 15 clashes; 5 protein contact clashes
Residues
ALA158 ALA24 ALA40 ASN126 ASN41 ASP129 ASP160 GLN42 GLU73 GLY23 GLY25 GLY47 LEU130 LEU31 LEU39 LYS127 LYS159 LYS26 PHE38 SER157 SER22 SER27 SER28 THR44

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

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 overlap20Native recall0.95
Jaccard0.80RMSD-
HB strict2Strict recall0.13
HB same residue+role2HB role recall0.18
HB same residue3HB residue recall0.27

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
186 1.1624415304158175 -1.04159 -29.086 1 17 0 0.00 0.00 - no Open
158 1.5391911069012483 -0.997626 -29.5763 6 24 20 0.95 0.18 - 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 -29.576kcal/mol
Ligand efficiency (LE) -0.9541kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.295
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 412.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.60
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 16.57kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 104.06kcal/mol
Minimised FF energy 87.50kcal/mol

SASA & burial

✓ computed
SASA (unbound) 704.0Ų
Total solvent-accessible surface area of free ligand
BSA total 648.5Ų
Buried surface area upon binding
BSA apolar 628.8Ų
Hydrophobic contacts buried
BSA polar 19.7Ų
Polar contacts buried
Fraction buried 92.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 97.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1560.9Ų
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 491.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)