FAIRMol

OHD_TB2022_22

Pose ID 3446 Compound 1005 Pose 60

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_TB2022_22
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
Weak or marginal quality
Binding strong Geometry high Native strong SASA done
Strain ΔE
27.5 kcal/mol
Protein clashes
4
Internal clashes
1
Native overlap
contact recall 0.90, Jaccard 0.83, H-bond role recall 1.00
Burial
95%
Hydrophobic fit
83%
Reason: no major geometry red flags detected
4 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.925 kcal/mol/HA) ✓ Good fit quality (FQ -9.02) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (95% SASA buried) ✓ Lipophilic contacts well-matched (83%) ✗ High strain energy (27.5 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (4) ✗ Many internal clashes (16)
Score
-28.691
kcal/mol
LE
-0.925
kcal/mol/HA
Fit Quality
-9.02
FQ (Leeson)
HAC
31
heavy atoms
MW
418
Da
LogP
1.60
cLogP
Strain ΔE
27.5 kcal/mol
SASA buried
95%
Lipo contact
83% BSA apolar/total
SASA unbound
691 Ų
Apolar buried
547 Ų

Interaction summary

HB 7 HY 24 PI 4 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 rank1.423Score-28.691
Inter norm-1.011Intra norm0.086
Top1000noExcludedno
Contacts21H-bonds7
Artifact reasongeometry warning; 16 clashes; 4 protein contact clashes; 1 cofactor-context clash; moderate strain Δ 27.5
Residues
ALA34 ARG59 ASP54 GLN56 HIS182 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE233 PHE58 PHE94 SER89 THR184 THR86 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 overlap19Native recall0.90
Jaccard0.83RMSD-
HB strict4Strict recall0.80
HB same residue+role4HB role recall1.00
HB same residue4HB residue recall1.00

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
71 1.1759533906402064 -1.22786 -32.6251 8 18 0 0.00 0.00 - no Open
54 1.1778610915356442 -0.81352 -19.4244 5 17 0 0.00 0.00 - no Open
71 1.3825379105424664 -1.01868 -27.8464 8 22 1 0.05 0.00 - no Open
60 1.4227548049252554 -1.01128 -28.6914 7 21 19 0.90 1.00 - no Current
61 1.7842339039670483 -1.27976 -33.3386 10 17 0 0.00 0.00 - no Open
38 2.126142591967099 -1.19299 -35.0453 6 13 0 0.00 0.00 - no Open
53 2.190687321645587 -0.904928 -26.0653 11 19 1 0.05 0.00 - no Open
53 2.472479417561934 -1.00203 -26.5687 7 14 0 0.00 0.00 - no Open
67 2.6760790575527027 -0.781912 -21.9531 8 17 0 0.00 0.00 - no Open
45 3.2910631889048396 -0.758947 -22.1326 4 16 0 0.00 0.00 - no Open
69 3.363591324814485 -0.834928 -21.868 8 19 0 0.00 0.00 - no Open
57 4.092520790999872 -0.859113 -19.9507 4 16 0 0.00 0.00 - no Open
48 4.661712050862162 -0.912308 -27.3911 12 20 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 -28.691kcal/mol
Ligand efficiency (LE) -0.9255kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.017
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 418.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.60
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 27.49kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 29.88kcal/mol
Minimised FF energy 2.39kcal/mol

SASA & burial

✓ computed
SASA (unbound) 690.6Ų
Total solvent-accessible surface area of free ligand
BSA total 658.3Ų
Buried surface area upon binding
BSA apolar 547.0Ų
Hydrophobic contacts buried
BSA polar 111.3Ų
Polar contacts buried
Fraction buried 95.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 83.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1813.9Ų
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)