FAIRMol

OHD_Schistosoma_119

Pose ID 3423 Compound 383 Pose 37

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T06
T. brucei DHFR T. brucei
Ligand OHD_Schistosoma_119
PDB8RHT

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
20.7 kcal/mol
Protein clashes
8
Internal clashes
8
Native overlap
contact recall 0.81, Jaccard 0.71, H-bond role recall 0.75
Burial
97%
Hydrophobic fit
73%
Reason: 8 internal clashes
8 protein-contact clashes 8 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.923 kcal/mol/HA) ✓ Good fit quality (FQ -8.71) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (97% SASA buried) ✓ Lipophilic contacts well-matched (73%) ✗ High strain energy (20.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-25.833
kcal/mol
LE
-0.923
kcal/mol/HA
Fit Quality
-8.71
FQ (Leeson)
HAC
28
heavy atoms
MW
393
Da
LogP
3.17
cLogP
Strain ΔE
20.7 kcal/mol
SASA buried
97%
Lipo contact
73% BSA apolar/total
SASA unbound
664 Ų
Apolar buried
471 Ų

Interaction summary

HB 7 HY 24 PI 4 CLASH 8

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 rank3.254Score-25.833
Inter norm-0.948Intra norm0.025
Top1000noExcludedno
Contacts20H-bonds7
Artifact reasongeometry warning; 12 clashes; 1 protein clash
Residues
ALA34 ARG100 ARG59 ASP54 GLU50 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE233 PHE58 PHE94 PRO91 THR184 TYR166 TYR57 VAL32 VAL33

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name8RHTContacts21
PoseOpen native poseHB0
IFP residues
ALA34 ASP54 HIS182 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE233 PHE58 PHE94 PRO91 SER89 THR184 THR86 TRP49 TYR166 TYR57 VAL32 VAL33
Current overlap17Native recall0.81
Jaccard0.71RMSD-
HB strict3Strict recall0.60
HB same residue+role3HB role recall0.75
HB same residue3HB residue recall0.75

Protein summary

223 residues
Protein targetT06Atoms3452
Residues223Chains1
Residue summaryARG:408; VAL:352; LYS:308; LEU:304; PRO:238; ILE:209; GLU:195; THR:182; SER:176; ALA:160; PHE:140; ASN:126; GLY:126; ASP:108; GLN:85; NDP:74

Receptor context

1 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 1 Excluded HETATM 0
Kept cofactors / ions
A:NDP301

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
43 1.1728836106535168 -1.15406 -31.1202 9 15 0 0.00 0.00 - no Open
20 1.5080412680464408 -1.19861 -29.6204 13 19 0 0.00 0.00 - no Open
33 1.565675456546163 -0.805172 -22.1294 8 15 0 0.00 0.00 - no Open
47 2.257128692601215 -1.14501 -33.9816 4 17 0 0.00 0.00 - no Open
34 2.4507228953981053 -0.956091 -24.0652 3 15 0 0.00 0.00 - no Open
34 2.9344294306635303 -1.03576 -26.0298 5 16 1 0.05 0.00 - no Open
21 3.244451123765894 -0.958338 -28.4656 9 18 0 0.00 0.00 - no Open
37 3.2541776923072754 -0.94766 -25.8329 7 20 17 0.81 0.75 - no Current
33 3.3373689399605038 -1.06988 -32.9082 7 15 0 0.00 0.00 - no Open
24 3.5583407345718885 -1.08027 -29.9241 11 16 0 0.00 0.00 - no Open
42 3.6105363889928936 -0.880375 -23.1448 9 16 0 0.00 0.00 - no Open
36 3.6772301933141605 -0.886989 -25.4605 8 18 0 0.00 0.00 - no Open
22 3.9398829104489517 -0.820834 -22.4978 7 13 0 0.00 0.00 - no Open
35 5.976485328510418 -1.13445 -27.9224 13 16 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 -25.833kcal/mol
Ligand efficiency (LE) -0.9226kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.710
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 393.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.17
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 20.69kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -6.48kcal/mol
Minimised FF energy -27.17kcal/mol

SASA & burial

✓ computed
SASA (unbound) 664.5Ų
Total solvent-accessible surface area of free ligand
BSA total 644.3Ų
Buried surface area upon binding
BSA apolar 470.6Ų
Hydrophobic contacts buried
BSA polar 173.8Ų
Polar contacts buried
Fraction buried 97.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 73.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1724.9Ų
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 1808.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 574.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)