FAIRMol

OHD_ACDS_69

Pose ID 11519 Compound 3118 Pose 676

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_ACDS_69
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
33.5 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.75, Jaccard 0.43, H-bond role recall 0.00
Burial
80%
Hydrophobic fit
77%
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 (-0.741 kcal/mol/HA) ✓ Good fit quality (FQ -7.15) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Very high strain energy (33.5 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-22.240
kcal/mol
LE
-0.741
kcal/mol/HA
Fit Quality
-7.15
FQ (Leeson)
HAC
30
heavy atoms
MW
407
Da
LogP
2.12
cLogP
Strain ΔE
33.5 kcal/mol
SASA buried
80%
Lipo contact
77% BSA apolar/total
SASA unbound
710 Ų
Apolar buried
436 Ų

Interaction summary

HB 7 HY 21 PI 2 CLASH 2
Final rank4.045Score-22.240
Inter norm-0.843Intra norm0.101
Top1000noExcludedno
Contacts18H-bonds7
Artifact reasongeometry warning; 9 clashes; 3 protein clashes; high strain Δ 33.5
Residues
ARG331 ARG361 CYS375 GLY197 GLY376 HIS359 HIS428 LEU227 LEU332 LEU334 MET333 PHE198 PHE230 SER364 THR360 THR374 VAL362 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 overlap9Native recall0.75
Jaccard0.43RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
673 1.3531126534554743 -0.845891 -21.2625 6 18 0 0.00 0.00 - no Open
675 1.8777160867948284 -0.864778 -21.3099 11 17 0 0.00 0.00 - no Open
672 2.0326263552148536 -1.14612 -27.3148 14 14 0 0.00 0.00 - no Open
676 4.045459939627847 -0.842639 -22.2401 7 18 9 0.75 0.00 - no Current
677 4.76347474340994 -0.755331 -17.0491 7 15 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 -22.240kcal/mol
Ligand efficiency (LE) -0.7413kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.151
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 407.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.12
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 33.51kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 66.79kcal/mol
Minimised FF energy 33.28kcal/mol

SASA & burial

✓ computed
SASA (unbound) 710.4Ų
Total solvent-accessible surface area of free ligand
BSA total 566.5Ų
Buried surface area upon binding
BSA apolar 436.5Ų
Hydrophobic contacts buried
BSA polar 130.1Ų
Polar contacts buried
Fraction buried 79.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -6545.1Ų
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 2082.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)