FAIRMol

Z24132888

Pose ID 3776 Compound 1990 Pose 390

DB SELECTIONDocking 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 Z24132888
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
25.0 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.90, Jaccard 0.79, H-bond role recall 0.75
Burial
96%
Hydrophobic fit
82%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.567 kcal/mol/HA) ✓ Good fit quality (FQ -5.53) ✓ Strong H-bond network (12 bonds) ✓ Deep burial (96% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ High strain energy (25.0 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (4) ✗ Many internal clashes (13)
Score
-17.579
kcal/mol
LE
-0.567
kcal/mol/HA
Fit Quality
-5.53
FQ (Leeson)
HAC
31
heavy atoms
MW
438
Da
LogP
4.68
cLogP
Strain ΔE
25.0 kcal/mol
SASA buried
96%
Lipo contact
82% BSA apolar/total
SASA unbound
718 Ų
Apolar buried
566 Ų

Interaction summary

HB 12 HY 24 PI 4 CLASH 1
Final rank1.158Score-17.579
Inter norm-0.850Intra norm0.252
Top1000noExcludedno
Contacts22H-bonds8
Artifact reasongeometry warning; 13 clashes; 4 protein contact clashes; moderate strain Δ 25.0
Residues
ALA34 ARG100 ARG183 ARG59 ASP54 HIS182 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE233 PHE58 PHE94 PRO91 SER89 THR184 THR86 TYR57 VAL32 VAL33

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

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: permissive.
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
Jaccard0.79RMSD-
HB strict3Strict recall0.60
HB same residue+role3HB role recall0.75
HB same residue3HB residue recall0.75

HB · H-bonds

Mode: permissive. 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
374 0.9142285008841533 -0.946247 -15.1976 8 17 0 0.00 0.00 - no Open
390 1.1579939788406024 -0.849606 -17.5793 8 22 19 0.90 0.75 - no Current
379 1.5717938515166427 -1.12965 -20.7033 7 16 0 0.00 0.00 - no Open
486 2.542688235109596 -0.772745 -23.0022 3 16 0 0.00 0.00 - no Open
505 3.754932846913862 -0.867518 -15.1812 3 15 0 0.00 0.00 - no Open
395 4.039848054099025 -0.765663 -20.3618 4 12 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 -17.579kcal/mol
Ligand efficiency (LE) -0.5671kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.525
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 437.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.68
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 25.05kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -6.12kcal/mol
Minimised FF energy -31.17kcal/mol

SASA & burial

✓ computed
SASA (unbound) 718.5Ų
Total solvent-accessible surface area of free ligand
BSA total 687.0Ų
Buried surface area upon binding
BSA apolar 566.4Ų
Hydrophobic contacts buried
BSA polar 120.5Ų
Polar contacts buried
Fraction buried 95.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1828.9Ų
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 577.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)