FAIRMol

OHD_TB2022_22

Pose ID 10910 Compound 1005 Pose 67

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T17
T. brucei TR (Doorstop site) T. brucei Doorstop site
Ligand OHD_TB2022_22
PDB5S9T

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
24.3 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.75, Jaccard 0.45, H-bond role recall 1.00
Burial
80%
Hydrophobic fit
82%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.708 kcal/mol/HA) ✓ Good fit quality (FQ -6.90) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ High strain energy (24.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-21.953
kcal/mol
LE
-0.708
kcal/mol/HA
Fit Quality
-6.90
FQ (Leeson)
HAC
31
heavy atoms
MW
418
Da
LogP
1.60
cLogP
Strain ΔE
24.3 kcal/mol
SASA buried
80%
Lipo contact
82% BSA apolar/total
SASA unbound
710 Ų
Apolar buried
466 Ų

Interaction summary

HB 8 HY 16 PI 2 CLASH 1

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

Final rank2.676Score-21.953
Inter norm-0.782Intra norm0.074
Top1000noExcludedno
Contacts17H-bonds8
Artifact reasongeometry warning; 11 clashes; 1 protein clash; moderate strain Δ 24.3
Residues
ARG331 ARG361 ASP330 CYS375 GLY197 GLY229 GLY376 HIS359 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR360 THR374 VAL362

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5S9TContacts12
PoseOpen native poseHB0
IFP residues
ALA365 ARG228 ARG331 GLY229 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR374 VAL366
Current overlap9Native recall0.75
Jaccard0.45RMSD-
HB strict1Strict recall1.00
HB same residue+role1HB role recall1.00
HB same residue1HB residue recall1.00

Protein summary

1033 residues
Protein targetT17Atoms15160
Residues1033Chains2
Residue summaryVAL:1536; LEU:1387; LYS:1386; ILE:1064; GLU:900; THR:868; ARG:816; PHE:800; ALA:780; ASN:700; PRO:686; GLY:672; SER:616; TYR:588; ASP:528; MET:408

Receptor context

2 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 2 Excluded HETATM 0
Kept cofactors / ions
A:FAD501 B:FAD501

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
71 1.1759533906402064 -1.22786 -32.6251 8 18 0 0.00 0.00 - no Open
54 1.1778610915356442 -0.81352 -19.4244 5 17 0 0.00 0.00 - no Open
71 1.3825379105424664 -1.01868 -27.8464 8 22 0 0.00 0.00 - no Open
60 1.4227548049252554 -1.01128 -28.6914 7 21 0 0.00 0.00 - no Open
61 1.7842339039670483 -1.27976 -33.3386 10 17 0 0.00 0.00 - no Open
38 2.126142591967099 -1.19299 -35.0453 6 13 0 0.00 0.00 - no Open
53 2.190687321645587 -0.904928 -26.0653 11 19 0 0.00 0.00 - no Open
53 2.472479417561934 -1.00203 -26.5687 7 14 0 0.00 0.00 - no Open
67 2.6760790575527027 -0.781912 -21.9531 8 17 9 0.75 1.00 - no Current
45 3.2910631889048396 -0.758947 -22.1326 4 16 0 0.00 0.00 - no Open
69 3.363591324814485 -0.834928 -21.868 8 19 0 0.00 0.00 - no Open
57 4.092520790999872 -0.859113 -19.9507 4 16 0 0.00 0.00 - no Open
48 4.661712050862162 -0.912308 -27.3911 12 20 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 -21.953kcal/mol
Ligand efficiency (LE) -0.7082kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.899
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 418.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.60
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.28kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 27.05kcal/mol
Minimised FF energy 2.77kcal/mol

SASA & burial

✓ computed
SASA (unbound) 710.0Ų
Total solvent-accessible surface area of free ligand
BSA total 567.0Ų
Buried surface area upon binding
BSA apolar 466.3Ų
Hydrophobic contacts buried
BSA polar 100.7Ų
Polar contacts buried
Fraction buried 79.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6572.2Ų
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 8063.1Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 2079.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)