FAIRMol

OHD_TbNat_2

Pose ID 10917 Compound 603 Pose 74

DB fairmolDocking 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_TbNat_2
PDB5S9T

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding strong Geometry medium Native strong SASA done
Strain ΔE
12.2 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.75, Jaccard 0.47, H-bond role recall 0.00
Burial
81%
Hydrophobic fit
79%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-0.831 kcal/mol/HA) ✓ Good fit quality (FQ -7.55) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (81% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ Moderate strain (12.2 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-20.768
kcal/mol
LE
-0.831
kcal/mol/HA
Fit Quality
-7.55
FQ (Leeson)
HAC
25
heavy atoms
MW
340
Da
LogP
3.91
cLogP
Strain ΔE
12.2 kcal/mol
SASA buried
81%
Lipo contact
79% BSA apolar/total
SASA unbound
615 Ų
Apolar buried
395 Ų

Interaction summary

HB 6 HY 24 PI 2 CLASH 4

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 rank2.137Score-20.768
Inter norm-0.970Intra norm0.140
Top1000noExcludedno
Contacts16H-bonds6
Artifact reasongeometry warning; 6 clashes; 1 protein clash
Residues
ALA363 ALA365 ARG331 ARG361 CYS375 GLY376 HIS359 LEU332 LEU334 PHE198 PHE230 SER364 THR360 THR374 VAL362 VAL366

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
Jaccard0.47RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
66 0.8305093453479375 -0.860099 -15.002 6 19 0 0.00 0.00 - no Open
74 2.1373659912864653 -0.970433 -20.7683 6 16 9 0.75 0.00 - no Current
29 2.600107939307177 -1.01846 -24.5258 11 15 0 0.00 0.00 - no Open
65 2.6022736026417634 -0.939392 -18.7025 3 14 0 0.00 0.00 - no Open
54 3.0349276914671437 -1.1562 -26.1336 11 17 0 0.00 0.00 - no Open
43 3.222270151018671 -1.10798 -20.2889 10 16 0 0.00 0.00 - no Open
79 3.5206894931967216 -1.022 -18.8867 8 13 0 0.00 0.00 - no Open
90 3.7209462673393525 -1.01938 -22.3114 6 13 0 0.00 0.00 - no Open
64 4.14130884921673 -1.0316 -21.4621 9 18 0 0.00 0.00 - no Open
77 4.326743905642506 -0.753896 -17.6426 7 12 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 -20.768kcal/mol
Ligand efficiency (LE) -0.8307kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.552
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 340.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.91
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 12.22kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 84.14kcal/mol
Minimised FF energy 71.92kcal/mol

SASA & burial

✓ computed
SASA (unbound) 614.7Ų
Total solvent-accessible surface area of free ligand
BSA total 498.0Ų
Buried surface area upon binding
BSA apolar 395.2Ų
Hydrophobic contacts buried
BSA polar 102.8Ų
Polar contacts buried
Fraction buried 81.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6483.6Ų
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 2061.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)