FAIRMol

TC490

Pose ID 14455 Compound 722 Pose 217

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 TC490

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
17.1 kcal/mol
Protein clashes
0
Internal clashes
11
Native overlap
contact recall 1.00, Jaccard 0.88, H-bond role recall 0.27
Burial
88%
Hydrophobic fit
82%
Reason: 11 internal clashes
11 intramolecular clashes 59% of hydrophobic surface appears solvent-exposed (13/22 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.992 kcal/mol/HA) ✓ Good fit quality (FQ -9.47) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ Moderate strain (17.1 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-28.778
kcal/mol
LE
-0.992
kcal/mol/HA
Fit Quality
-9.47
FQ (Leeson)
HAC
29
heavy atoms
MW
394
Da
LogP
3.58
cLogP
Strain ΔE
17.1 kcal/mol
SASA buried
88%
Lipo contact
82% BSA apolar/total
SASA unbound
695 Ų
Apolar buried
503 Ų

Interaction summary

HB 8 HY 8 PI 1 CLASH 0 ⚠ Exposure 59%
⚠️Partial hydrophobic solvent exposure
59% of hydrophobic surface appears solvent-exposed (13/22 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 22 Buried (contacted) 9 Exposed 13 LogP 3.58 H-bonds 8
Exposed fragments: phenyl (2/5 atoms exposed)phenyl (6/6 atoms exposed)aliphatic chain/group (5 atoms exposed)
Final rank2.460Score-28.778
Inter norm-1.177Intra norm0.185
Top1000noExcludedno
Contacts24H-bonds8
Artifact reasongeometry warning; 11 clashes; 1 protein clash
Residues
ALA158 ALA24 ALA40 ASN126 ASN41 ASP129 GLN42 GLU21 GLU73 GLY23 GLY25 GLY71 LEU130 LEU39 LYS127 LYS159 LYS26 PHE38 SER157 SER22 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 overlap21Native recall1.00
Jaccard0.88RMSD-
HB strict4Strict recall0.27
HB same residue+role3HB role recall0.27
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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
293 0.9240076439841369 -0.920244 -25.4432 4 18 0 0.00 0.00 - no Open
292 2.436813011096773 -1.03644 -25.5333 7 14 0 0.00 0.00 - no Open
217 2.4595739514869246 -1.17714 -28.7778 8 24 21 1.00 0.27 - no Current
267 3.072068680537888 -0.789422 -22.9516 7 12 0 0.00 0.00 - no Open
265 3.253335959242793 -0.739833 -18.066 5 15 0 0.00 0.00 - no Open
272 3.2742806209448116 -0.936301 -23.4365 5 21 0 0.00 0.00 - no Open
345 3.584414994075233 -0.819574 -21.2146 5 14 0 0.00 0.00 - no Open
193 4.737021931400489 -0.997003 -27.0043 15 13 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 -28.778kcal/mol
Ligand efficiency (LE) -0.9923kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.473
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 394.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.58
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 17.13kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 104.94kcal/mol
Minimised FF energy 87.81kcal/mol

SASA & burial

✓ computed
SASA (unbound) 695.0Ų
Total solvent-accessible surface area of free ligand
BSA total 609.4Ų
Buried surface area upon binding
BSA apolar 502.9Ų
Hydrophobic contacts buried
BSA polar 106.6Ų
Polar contacts buried
Fraction buried 87.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1454.2Ų
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 500.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)