FAIRMol

Z56174576

Pose ID 14632 Compound 2889 Pose 394

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 Z56174576

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 but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
15.6 kcal/mol
Protein clashes
10
Internal clashes
10
Native overlap
contact recall 0.52, Jaccard 0.38, H-bond role recall 0.36
Burial
81%
Hydrophobic fit
82%
Reason: 10 protein-contact clashes, 10 internal clashes
10 protein-contact clashes 10 intramolecular clashes 47% of hydrophobic surface appears solvent-exposed (9/19 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Daphnia EC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Algae IC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
No
ADMET alerts (in-silico)
hERG Medium Ames Clear DILI Low
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.040 kcal/mol/HA) ✓ Good fit quality (FQ -9.58) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (81% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ Moderate strain (15.6 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-27.041
kcal/mol
LE
-1.040
kcal/mol/HA
Fit Quality
-9.58
FQ (Leeson)
HAC
26
heavy atoms
MW
370
Da
LogP
3.76
cLogP
Final rank
4.2285
rank score
Inter norm
-1.167
normalised
Contacts
19
H-bonds 10
Strain ΔE
15.6 kcal/mol
SASA buried
81%
Lipo contact
82% BSA apolar/total
SASA unbound
581 Ų
Apolar buried
386 Ų

Interaction summary

HBD 1 HBA 5 HY 3 PI 0 CLASH 10

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 overlap11Native recall0.52
Jaccard0.38RMSD-
HB strict6Strict recall0.40
HB same residue+role4HB role recall0.36
HB same residue4HB residue recall0.36

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
373 2.1316147199863864 -1.24377 -30.4342 4 15 0 0.00 0.00 - no Open
394 4.228545575688243 -1.16663 -27.041 10 19 11 0.52 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 -27.041kcal/mol
Ligand efficiency (LE) -1.0400kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.582
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 370.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.76
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 15.55kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 6.21kcal/mol
Minimised FF energy -9.35kcal/mol

SASA & burial

✓ computed
SASA (unbound) 581.1Ų
Total solvent-accessible surface area of free ligand
BSA total 468.2Ų
Buried surface area upon binding
BSA apolar 386.2Ų
Hydrophobic contacts buried
BSA polar 82.0Ų
Polar contacts buried
Fraction buried 80.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1327.8Ų
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 512.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)