FAIRMol

Z46080225

Pose ID 3990 Compound 777 Pose 604

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 Z46080225
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
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
23.8 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.76, Jaccard 0.70, H-bond role recall 0.00
Burial
95%
Hydrophobic fit
85%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.005 kcal/mol/HA) ✓ Good fit quality (FQ -9.69) ✓ Deep burial (95% SASA buried) ✓ Lipophilic contacts well-matched (85%) ✗ High strain energy (23.8 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Many internal clashes (17)
Score
-30.141
kcal/mol
LE
-1.005
kcal/mol/HA
Fit Quality
-9.69
FQ (Leeson)
HAC
30
heavy atoms
MW
434
Da
LogP
7.00
cLogP
Strain ΔE
23.8 kcal/mol
SASA buried
95%
Lipo contact
85% BSA apolar/total
SASA unbound
644 Ų
Apolar buried
522 Ų

Interaction summary

HB 1 HY 24 PI 3 CLASH 5

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 rank1.631Score-30.141
Inter norm-0.946Intra norm-0.129
Top1000noExcludedno
Contacts18H-bonds1
Artifact reasongeometry warning; 17 clashes; 5 protein contact clashes; moderate strain Δ 23.8
Residues
ALA34 ARG100 ARG59 ASP54 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 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 overlap16Native recall0.76
Jaccard0.70RMSD-
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
602 1.0305321532810865 -0.929433 -24.3571 2 17 1 0.05 0.00 - no Open
608 1.3424618556973866 -0.899766 -24.7593 2 18 0 0.00 0.00 - no Open
604 1.631215253066556 -0.946016 -30.1406 1 18 16 0.76 0.00 - no Current
630 2.5098151627510856 -0.791399 -20.8691 2 14 0 0.00 0.00 - no Open
628 2.8794117942667614 -0.924006 -30.4895 3 18 0 0.00 0.00 - no Open
611 3.87107543511451 -0.752027 -22.9818 4 13 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 -30.141kcal/mol
Ligand efficiency (LE) -1.0047kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.692
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 434.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 7.00
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 23.79kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 73.06kcal/mol
Minimised FF energy 49.26kcal/mol

SASA & burial

✓ computed
SASA (unbound) 643.7Ų
Total solvent-accessible surface area of free ligand
BSA total 613.2Ų
Buried surface area upon binding
BSA apolar 522.1Ų
Hydrophobic contacts buried
BSA polar 91.1Ų
Polar contacts buried
Fraction buried 95.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 85.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1779.2Ų
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 578.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)