FAIRMol

Z56864520

Pose ID 4032 Compound 575 Pose 646

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 Z56864520
PDB8RHT

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding strong Geometry high Native strong SASA done
Strain ΔE
13.7 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.67, Jaccard 0.56, H-bond role recall 0.00
Burial
93%
Hydrophobic fit
70%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-0.857 kcal/mol/HA) ✓ Good fit quality (FQ -8.09) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ Moderate strain (13.7 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (4) ✗ Internal clashes (8)
Score
-23.985
kcal/mol
LE
-0.857
kcal/mol/HA
Fit Quality
-8.09
FQ (Leeson)
HAC
28
heavy atoms
MW
413
Da
LogP
3.65
cLogP
Strain ΔE
13.7 kcal/mol
SASA buried
93%
Lipo contact
70% BSA apolar/total
SASA unbound
660 Ų
Apolar buried
429 Ų

Interaction summary

HB 2 HY 24 PI 5 CLASH 2
Final rank0.802Score-23.985
Inter norm-0.883Intra norm0.025
Top1000noExcludedno
Contacts18H-bonds2
Artifact reasongeometry warning; 8 clashes; 4 protein contact clashes
Residues
ALA34 ARG100 ARG59 ASP54 GLN56 ILE47 LEU90 LEU97 MET55 NDP301 PHE58 PHE94 PRO52 PRO91 THR184 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: 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
663 0.2511577254753023 -1.09851 -30.8922 4 15 0 0.00 0.00 - no Open
646 0.8020123366541132 -0.883354 -23.985 2 18 14 0.67 0.00 - no Current
644 2.060226456342705 -0.948105 -29.2566 6 11 0 0.00 0.00 - no Open
673 2.3297314190059755 -1.12086 -24.7821 13 14 0 0.00 0.00 - no Open
671 2.7084623141150126 -0.874177 -26.6575 13 15 0 0.00 0.00 - no Open
643 3.017585003862393 -0.904163 -23.0924 5 16 0 0.00 0.00 - no Open
668 3.3289291970169095 -1.03104 -25.9639 9 19 0 0.00 0.00 - no Open
639 3.377817040032817 -0.950565 -28.199 7 13 0 0.00 0.00 - no Open
662 3.4574628969651684 -0.923998 -27.0934 13 15 0 0.00 0.00 - no Open
655 5.144145577855445 -1.05202 -28.4978 16 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 -23.985kcal/mol
Ligand efficiency (LE) -0.8566kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.087
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 412.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.65
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 13.73kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 91.53kcal/mol
Minimised FF energy 77.80kcal/mol

SASA & burial

✓ computed
SASA (unbound) 659.9Ų
Total solvent-accessible surface area of free ligand
BSA total 610.8Ų
Buried surface area upon binding
BSA apolar 429.3Ų
Hydrophobic contacts buried
BSA polar 181.5Ų
Polar contacts buried
Fraction buried 92.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1693.2Ų
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 587.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)