FAIRMol

Z49597823

Pose ID 14711 Compound 1789 Pose 473

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 Z49597823

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
28.8 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.71, Jaccard 0.62, H-bond role recall 0.45
Burial
67%
Hydrophobic fit
82%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes 64% of hydrophobic surface is solvent-exposed (18/28 atoms). Large non-polar area without protein contacts incurs a desolvation penalty and will reduce binding affinity. Consider truncating or replacing the exposed fragment.
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Daphnia EC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Algae IC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
No
ADMET alerts (in-silico)
hERG High Ames Clear DILI Risk
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.880 kcal/mol/HA) ✓ Good fit quality (FQ -9.14) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (67% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ High strain energy (28.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-34.339
kcal/mol
LE
-0.880
kcal/mol/HA
Fit Quality
-9.14
FQ (Leeson)
HAC
39
heavy atoms
MW
563
Da
LogP
5.00
cLogP
Final rank
4.6552
rank score
Inter norm
-0.829
normalised
Contacts
18
H-bonds 10
Strain ΔE
28.8 kcal/mol
SASA buried
67%
Lipo contact
82% BSA apolar/total
SASA unbound
858 Ų
Apolar buried
472 Ų

Interaction summary

HBD 1 HBA 6 HY 2 PI 0 CLASH 5

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: strict. Residues: 6.

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 overlap15Native recall0.71
Jaccard0.62RMSD-
HB strict7Strict recall0.47
HB same residue+role5HB role recall0.45
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
475 1.280287287729594 -0.617165 -25.0747 3 13 0 0.00 0.00 - no Open
463 2.6296067961054295 -0.682535 -26.5323 7 15 0 0.00 0.00 - no Open
514 3.7948270720513495 -0.709367 -28.2621 7 23 0 0.00 0.00 - no Open
473 4.655184917891928 -0.82917 -34.339 10 18 15 0.71 0.45 - no Current
457 5.557439725654371 -0.634517 -20.1581 11 18 0 0.00 0.00 - no Open
460 5.792579168189608 -0.711207 -22.3926 8 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 -34.339kcal/mol
Ligand efficiency (LE) -0.8805kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.138
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 39HA

Physicochemical properties

Molecular weight 563.1Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.00
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 28.79kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 114.31kcal/mol
Minimised FF energy 85.51kcal/mol

SASA & burial

✓ computed
SASA (unbound) 858.3Ų
Total solvent-accessible surface area of free ligand
BSA total 577.9Ų
Buried surface area upon binding
BSA apolar 471.6Ų
Hydrophobic contacts buried
BSA polar 106.3Ų
Polar contacts buried
Fraction buried 67.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1538.1Ų
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 559.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)