FAIRMol

Z124328460

Pose ID 14666 Compound 3769 Pose 428

DB fairmolDocking 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 Z124328460

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
20.4 kcal/mol
Protein clashes
0
Internal clashes
10
Native overlap
contact recall 0.86, Jaccard 0.82, H-bond role recall 0.36
Burial
84%
Hydrophobic fit
76%
Reason: 10 internal clashes
10 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.286 kcal/mol/HA) ✓ Good fit quality (FQ -11.35) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (76%) ✗ High strain energy (20.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-29.574
kcal/mol
LE
-1.286
kcal/mol/HA
Fit Quality
-11.35
FQ (Leeson)
HAC
23
heavy atoms
MW
331
Da
LogP
2.47
cLogP
Strain ΔE
20.4 kcal/mol
SASA buried
84%
Lipo contact
76% BSA apolar/total
SASA unbound
581 Ų
Apolar buried
372 Ų

Interaction summary

HB 9 HY 12 PI 1 CLASH 0

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

No clash · clashes detected for this pose.
Final rank3.713Score-29.574
Inter norm-1.358Intra norm0.073
Top1000noExcludedno
Contacts19H-bonds9
Artifact reasongeometry warning; 10 clashes; 3 protein clashes; moderate strain Δ 20.4
Residues
ALA24 ALA40 ASN41 ASP129 GLN42 GLU21 GLU73 GLY23 GLY25 LEU130 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 overlap18Native recall0.86
Jaccard0.82RMSD-
HB strict6Strict recall0.40
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
413 3.173548423877034 -1.12507 -18.8844 5 18 1 0.05 0.00 - no Open
428 3.713243070093696 -1.35839 -29.5742 9 19 18 0.86 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 -29.574kcal/mol
Ligand efficiency (LE) -1.2858kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.349
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 331.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.47
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 20.40kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -89.64kcal/mol
Minimised FF energy -110.04kcal/mol

SASA & burial

✓ computed
SASA (unbound) 581.1Ų
Total solvent-accessible surface area of free ligand
BSA total 489.3Ų
Buried surface area upon binding
BSA apolar 372.1Ų
Hydrophobic contacts buried
BSA polar 117.2Ų
Polar contacts buried
Fraction buried 84.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1306.8Ų
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 521.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)