FAIRMol

OHD_TB2022_41

Pose ID 10916 Compound 939 Pose 73

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_41
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 medium Native strong SASA done
Strain ΔE
27.3 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.83, Jaccard 0.62, H-bond role recall 1.00
Burial
77%
Hydrophobic fit
84%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.910 kcal/mol/HA) ✓ Good fit quality (FQ -8.16) ✓ Good H-bonds (5 bonds) ✓ Deep burial (77% SASA buried) ✓ Lipophilic contacts well-matched (84%) ✗ High strain energy (27.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-21.849
kcal/mol
LE
-0.910
kcal/mol/HA
Fit Quality
-8.16
FQ (Leeson)
HAC
24
heavy atoms
MW
326
Da
LogP
1.84
cLogP
Strain ΔE
27.3 kcal/mol
SASA buried
77%
Lipo contact
84% BSA apolar/total
SASA unbound
581 Ų
Apolar buried
377 Ų

Interaction summary

HB 5 HY 22 PI 1 CLASH 3
Final rank4.188Score-21.849
Inter norm-0.927Intra norm0.017
Top1000noExcludedno
Contacts14H-bonds5
Artifact reasongeometry warning; 14 clashes; 2 protein clashes; moderate strain Δ 27.3
Residues
ALA365 ARG287 ARG331 ASP330 FAD501 GLY286 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR374 VAL366

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

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 overlap10Native recall0.83
Jaccard0.62RMSD-
HB strict1Strict recall1.00
HB same residue+role1HB role recall1.00
HB same residue1HB residue recall1.00

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
75 0.16084146293609375 -1.54266 -37.9275 8 17 0 0.00 0.00 - no Open
65 0.534011300296592 -1.62761 -39.9852 9 18 0 0.00 0.00 - no Open
64 1.790669485822701 -0.992095 -25.0548 6 18 0 0.00 0.00 - no Open
57 2.235783854112483 -1.10127 -26.7452 10 18 0 0.00 0.00 - no Open
79 2.264426210652542 -1.14753 -26.7069 7 16 0 0.00 0.00 - no Open
74 2.461124243424092 -1.0791 -26.1127 8 21 0 0.00 0.00 - no Open
71 3.1609815421158878 -0.849646 -20.0782 6 12 0 0.00 0.00 - no Open
73 4.187711712922683 -0.927428 -21.8492 5 14 10 0.83 1.00 - 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 -21.849kcal/mol
Ligand efficiency (LE) -0.9104kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.159
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 326.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.84
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 27.33kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -16.23kcal/mol
Minimised FF energy -43.56kcal/mol

SASA & burial

✓ computed
SASA (unbound) 580.8Ų
Total solvent-accessible surface area of free ligand
BSA total 447.6Ų
Buried surface area upon binding
BSA apolar 377.0Ų
Hydrophobic contacts buried
BSA polar 70.6Ų
Polar contacts buried
Fraction buried 77.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6493.6Ų
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 2074.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)