FAIRMol

OHD_MAC_77

Pose ID 11266 Compound 507 Pose 423

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_MAC_77
PDB5S9T

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry high Native strong SASA done
Strain ΔE
27.0 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.67, Jaccard 0.32, H-bond role recall 0.00
Burial
80%
Hydrophobic fit
72%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.784 kcal/mol/HA) ✓ Good fit quality (FQ -7.64) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (72%) ✗ High strain energy (27.0 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Many internal clashes (13)
Score
-24.307
kcal/mol
LE
-0.784
kcal/mol/HA
Fit Quality
-7.64
FQ (Leeson)
HAC
31
heavy atoms
MW
419
Da
LogP
2.73
cLogP
Strain ΔE
27.0 kcal/mol
SASA buried
80%
Lipo contact
72% BSA apolar/total
SASA unbound
704 Ų
Apolar buried
407 Ų

Interaction summary

HB 8 HY 24 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 rank1.563Score-24.307
Inter norm-0.806Intra norm0.008
Top1000noExcludedno
Contacts21H-bonds8
Artifact reasongeometry warning; 13 clashes; 5 protein contact clashes; moderate strain Δ 27.0
Residues
ALA284 ARG228 ARG287 ARG361 GLY195 GLY197 GLY229 GLY286 GLY376 HIS359 ILE199 LEU227 LEU332 LEU334 PHE198 PHE230 SER200 SER364 THR360 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 overlap8Native recall0.67
Jaccard0.32RMSD-
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
335 1.3930127815785807 -1.04467 -25.9312 12 13 0 0.00 0.00 - no Open
423 1.5630867998048303 -0.805652 -24.3068 8 21 8 0.67 0.00 - no Current
405 1.7304015164173097 -0.9221 -20.9391 7 16 0 0.00 0.00 - no Open
457 2.8482198097472007 -0.907716 -23.9511 6 17 0 0.00 0.00 - no Open
485 2.9328503394784415 -0.773706 -22.989 7 17 0 0.00 0.00 - no Open
373 2.963111208615525 -0.784666 -22.9707 12 11 0 0.00 0.00 - no Open
378 3.196189989689528 -0.802503 -18.6827 9 14 0 0.00 0.00 - no Open
374 3.8776793943260253 -1.14839 -30.5185 10 15 0 0.00 0.00 - no Open
393 4.148145829395059 -0.833214 -13.3981 7 14 0 0.00 0.00 - no Open
382 5.2660608834707805 -0.957207 -23.0827 14 16 0 0.00 0.00 - no Open
354 5.4338480018641 -1.02971 -22.934 14 19 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 -24.307kcal/mol
Ligand efficiency (LE) -0.7841kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.639
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 419.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.73
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 27.00kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 110.36kcal/mol
Minimised FF energy 83.36kcal/mol

SASA & burial

✓ computed
SASA (unbound) 704.5Ų
Total solvent-accessible surface area of free ligand
BSA total 564.9Ų
Buried surface area upon binding
BSA apolar 406.8Ų
Hydrophobic contacts buried
BSA polar 158.2Ų
Polar contacts buried
Fraction buried 80.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 72.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6522.1Ų
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 2076.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)