FAIRMol

Z19316134

Pose ID 14748 Compound 291 Pose 510

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 Z19316134

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
41.3 kcal/mol
Protein clashes
6
Internal clashes
6
Native overlap
contact recall 0.81, Jaccard 0.65, H-bond role recall 0.36
Burial
92%
Hydrophobic fit
76%
Reason: 6 internal clashes
6 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.888 kcal/mol/HA) ✓ Good fit quality (FQ -8.65) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (76%) ✗ Extreme strain energy (41.3 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (11) ✗ Many internal clashes (15)
Score
-27.532
kcal/mol
LE
-0.888
kcal/mol/HA
Fit Quality
-8.65
FQ (Leeson)
HAC
31
heavy atoms
MW
459
Da
LogP
2.69
cLogP
Strain ΔE
41.3 kcal/mol
SASA buried
92%
Lipo contact
76% BSA apolar/total
SASA unbound
711 Ų
Apolar buried
498 Ų

Interaction summary

HB 10 HY 10 PI 1 CLASH 6
Final rank2.354Score-27.532
Inter norm-1.043Intra norm0.155
Top1000noExcludedno
Contacts22H-bonds10
Artifact reasongeometry warning; 15 clashes; 11 protein contact clashes; high strain Δ 41.3
Residues
ALA158 ALA40 ASN126 ASP129 GLN42 GLU43 GLU73 GLY23 GLY25 GLY47 ILE46 LEU130 LEU39 LYS127 LYS159 LYS26 PHE38 SER157 SER27 SER28 THR44 THR69

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 overlap17Native recall0.81
Jaccard0.65RMSD-
HB strict6Strict recall0.40
HB same residue+role4HB role recall0.36
HB same residue5HB residue recall0.45

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
499 1.0099905898902652 -1.00847 -31.9657 3 20 0 0.00 0.00 - no Open
544 1.8707408514739288 -0.873227 -23.9678 3 15 0 0.00 0.00 - no Open
496 2.170819513886973 -0.869805 -28.1543 7 16 0 0.00 0.00 - no Open
510 2.353591927718863 -1.04293 -27.5315 10 22 17 0.81 0.36 - no Current
493 3.5588482312512713 -1.13358 -35.258 7 22 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 -27.532kcal/mol
Ligand efficiency (LE) -0.8881kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.652
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 458.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.69
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 41.30kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 26.47kcal/mol
Minimised FF energy -14.83kcal/mol

SASA & burial

✓ computed
SASA (unbound) 711.5Ų
Total solvent-accessible surface area of free ligand
BSA total 653.1Ų
Buried surface area upon binding
BSA apolar 497.5Ų
Hydrophobic contacts buried
BSA polar 155.6Ų
Polar contacts buried
Fraction buried 91.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1417.4Ų
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 490.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)