FAIRMol

Z44358584

Pose ID 3987 Compound 2383 Pose 601

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 Z44358584
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
29.7 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.67, Jaccard 0.56, H-bond role recall 0.00
Burial
94%
Hydrophobic fit
77%
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 (-0.654 kcal/mol/HA) ✓ Good fit quality (FQ -6.02) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ High strain energy (29.7 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Internal clashes (8)
Score
-17.000
kcal/mol
LE
-0.654
kcal/mol/HA
Fit Quality
-6.02
FQ (Leeson)
HAC
26
heavy atoms
MW
348
Da
LogP
3.68
cLogP
Strain ΔE
29.7 kcal/mol
SASA buried
94%
Lipo contact
77% BSA apolar/total
SASA unbound
617 Ų
Apolar buried
449 Ų

Interaction summary

HB 1 HY 24 PI 3 CLASH 1
Final rank0.355Score-17.000
Inter norm-0.952Intra norm0.243
Top1000noExcludedno
Contacts18H-bonds1
Artifact reasongeometry warning; 8 clashes; 2 protein contact clashes; moderate strain Δ 29.7
Residues
ALA34 ARG100 ARG59 ASP54 GLN56 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE58 PHE94 PRO91 SER98 TYR166 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: 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 overlap14Native recall0.67
Jaccard0.56RMSD-
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
601 0.3547678657031321 -0.952162 -17.0004 1 18 14 0.67 0.00 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -17.000kcal/mol
Ligand efficiency (LE) -0.6539kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.024
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 348.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.68
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 29.68kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 88.92kcal/mol
Minimised FF energy 59.24kcal/mol

SASA & burial

✓ computed
SASA (unbound) 617.4Ų
Total solvent-accessible surface area of free ligand
BSA total 581.6Ų
Buried surface area upon binding
BSA apolar 449.1Ų
Hydrophobic contacts buried
BSA polar 132.4Ų
Polar contacts buried
Fraction buried 94.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1705.7Ų
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 574.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)