FAIRMol

OHD_TB2022_31

Pose ID 3448 Compound 1316 Pose 62

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_31
PDB8RHT

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
70.7 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.76, Jaccard 0.64, H-bond role recall 0.00
Burial
98%
Hydrophobic fit
62%
Reason: strain 70.7 kcal/mol
strain ΔE 70.7 kcal/mol 3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.887 kcal/mol/HA) ✓ Good fit quality (FQ -8.37) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (98% SASA buried) ✓ Lipophilic contacts well-matched (62%) ✗ Extreme strain energy (70.7 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (7)
Score
-24.831
kcal/mol
LE
-0.887
kcal/mol/HA
Fit Quality
-8.37
FQ (Leeson)
HAC
28
heavy atoms
MW
441
Da
LogP
-1.19
cLogP
Strain ΔE
70.7 kcal/mol
SASA buried
98%
Lipo contact
62% BSA apolar/total
SASA unbound
645 Ų
Apolar buried
387 Ų

Interaction summary

HB 9 HY 24 PI 1 CLASH 3

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 rank0.810Score-24.831
Inter norm-1.023Intra norm0.136
Top1000noExcludedno
Contacts20H-bonds9
Artifact reasongeometry warning; 4 clashes; 7 protein contact clashes; high strain Δ 70.6
Residues
ALA34 ARG100 ARG59 ASP54 GLY161 ILE160 ILE47 LEU90 LEU97 MET55 MET82 NDP301 PHE58 PHE94 SER89 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 overlap16Native recall0.76
Jaccard0.64RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
62 0.810035212991975 -1.02312 -24.8311 9 20 16 0.76 0.00 - no Current
40 1.5534392733255422 -0.8627 -18.2179 16 20 0 0.00 0.00 - no Open
41 2.174153151104028 -1.18906 -27.7725 6 11 0 0.00 0.00 - no Open
54 2.223234600331605 -0.949567 -21.4001 16 21 1 0.05 0.00 - no Open
74 2.6242008387752502 -1.03371 -23.4084 12 20 1 0.05 0.00 - no Open
73 3.116055422869663 -1.16039 -26.1014 16 20 0 0.00 0.00 - no Open
70 3.4990459052277174 -0.913904 -13.8449 12 20 0 0.00 0.00 - no Open
59 3.5997644114734966 -0.764431 -19.6558 15 12 0 0.00 0.00 - no Open
63 3.8583607402112525 -1.09421 -23.971 13 20 0 0.00 0.00 - no Open
51 4.7034834914662245 -1.09364 -21.0658 16 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 -24.831kcal/mol
Ligand efficiency (LE) -0.8868kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.372
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 441.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) -1.19
Lipinski: ≤ 5
Rotatable bonds 14

Conformational strain (MMFF94s)

Strain energy (ΔE) 70.67kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -79.33kcal/mol
Minimised FF energy -150.00kcal/mol

SASA & burial

✓ computed
SASA (unbound) 645.2Ų
Total solvent-accessible surface area of free ligand
BSA total 629.8Ų
Buried surface area upon binding
BSA apolar 387.3Ų
Hydrophobic contacts buried
BSA polar 242.5Ų
Polar contacts buried
Fraction buried 97.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 61.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1623.6Ų
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 1808.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 573.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)