FAIRMol

KB_HAT_181

Pose ID 14322 Compound 321 Pose 84

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 KB_HAT_181

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 high Native strong SASA done
Strain ΔE
25.6 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.95, Jaccard 0.83, H-bond role recall 0.82
Burial
91%
Hydrophobic fit
68%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.247 kcal/mol/HA) ✓ Good fit quality (FQ -11.49) ✓ Strong H-bond network (13 bonds) ✓ Deep burial (91% SASA buried) ✓ Lipophilic contacts well-matched (68%) ✗ High strain energy (25.6 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-32.428
kcal/mol
LE
-1.247
kcal/mol/HA
Fit Quality
-11.49
FQ (Leeson)
HAC
26
heavy atoms
MW
367
Da
LogP
1.58
cLogP
Strain ΔE
25.6 kcal/mol
SASA buried
91%
Lipo contact
68% BSA apolar/total
SASA unbound
594 Ų
Apolar buried
368 Ų

Interaction summary

HB 13 HY 10 PI 1 CLASH 2
Final rank3.694Score-32.428
Inter norm-1.322Intra norm0.074
Top1000noExcludedno
Contacts23H-bonds13
Artifact reasongeometry warning; 9 clashes; 2 protein clashes; moderate strain Δ 25.6
Residues
ALA158 ALA24 ALA40 ASN126 ASN41 ASP129 ASP68 GLN42 GLU21 GLU73 GLY23 GLY25 LEU130 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 overlap20Native recall0.95
Jaccard0.83RMSD-
HB strict10Strict recall0.67
HB same residue+role9HB role recall0.82
HB same residue9HB residue recall0.82

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
137 1.9022794263099 -1.34289 -30.942 5 20 0 0.00 0.00 - no Open
142 1.9730616019824003 -1.0168 -23.1832 5 18 0 0.00 0.00 - no Open
59 2.0234056799141285 -1.08422 -20.7112 3 12 0 0.00 0.00 - no Open
101 2.6385765289625702 -1.01508 -25.6628 7 16 0 0.00 0.00 - no Open
89 2.6510408886962784 -1.16496 -29.9812 11 12 0 0.00 0.00 - no Open
113 3.5425556775037705 -0.799775 -14.3909 4 12 0 0.00 0.00 - no Open
109 3.6384092401026855 -0.980049 -18.0641 5 16 1 0.05 0.00 - no Open
84 3.694269250931205 -1.32151 -32.4281 13 23 20 0.95 0.82 - no Current
60 4.823393547826033 -1.03292 -21.9275 13 16 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 -32.428kcal/mol
Ligand efficiency (LE) -1.2472kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.491
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 367.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.58
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 25.57kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -145.69kcal/mol
Minimised FF energy -171.26kcal/mol

SASA & burial

✓ computed
SASA (unbound) 594.0Ų
Total solvent-accessible surface area of free ligand
BSA total 539.8Ų
Buried surface area upon binding
BSA apolar 368.4Ų
Hydrophobic contacts buried
BSA polar 171.4Ų
Polar contacts buried
Fraction buried 90.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 68.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1269.7Ų
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 512.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)