FAIRMol

TC345

Pose ID 3610 Compound 1482 Pose 224

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 TC345
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 medium Native strong SASA done
Strain ΔE
8.3 kcal/mol
Protein clashes
3
Internal clashes
5
Native overlap
contact recall 0.76, Jaccard 0.76, H-bond role recall 0.50
Burial
99%
Hydrophobic fit
75%
Reason: no major geometry red flags detected
3 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.349 kcal/mol/HA) ✓ Good fit quality (FQ -10.27) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (99% SASA buried) ✓ Lipophilic contacts well-matched (75%) ✗ Moderate strain (8.3 kcal/mol) ✗ Geometry warnings
Score
-21.583
kcal/mol
LE
-1.349
kcal/mol/HA
Fit Quality
-10.27
FQ (Leeson)
HAC
16
heavy atoms
MW
222
Da
LogP
-0.19
cLogP
Strain ΔE
8.3 kcal/mol
SASA buried
99%
Lipo contact
75% BSA apolar/total
SASA unbound
435 Ų
Apolar buried
321 Ų

Interaction summary

HB 7 HY 10 PI 2 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 rank2.208Score-21.583
Inter norm-1.422Intra norm0.073
Top1000noExcludedno
Contacts16H-bonds7
Artifact reasongeometry warning; 3 clashes; 2 protein clashes; 2 cofactor-context clashes
Residues
ALA34 ASP54 HIS182 ILE160 ILE47 LEU97 MET55 NDP301 PHE233 PHE58 THR184 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
Jaccard0.76RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.50
HB same residue3HB residue recall0.75

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
240 -0.9575213856046881 -1.92853 -27.7645 4 11 0 0.00 0.00 - no Open
275 1.3353371102338811 -1.26392 -19.2163 5 10 0 0.00 0.00 - no Open
219 1.8619677573339846 -1.71071 -27.1737 9 13 0 0.00 0.00 - no Open
224 2.208227771750752 -1.42154 -21.5833 7 16 16 0.76 0.50 - no Current
217 2.539177750072255 -1.51499 -21.7052 10 11 0 0.00 0.00 - no Open
208 2.9554619952564956 -2.11338 -31.6674 13 16 0 0.00 0.00 - no Open
164 3.5204397139105086 -1.77214 -26.8263 10 16 0 0.00 0.00 - no Open
361 3.5327696926214855 -1.50218 -21.5641 7 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 -21.583kcal/mol
Ligand efficiency (LE) -1.3490kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.268
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 16HA

Physicochemical properties

Molecular weight 222.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.19
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 8.29kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 33.02kcal/mol
Minimised FF energy 24.73kcal/mol

SASA & burial

✓ computed
SASA (unbound) 435.3Ų
Total solvent-accessible surface area of free ligand
BSA total 429.1Ų
Buried surface area upon binding
BSA apolar 321.4Ų
Hydrophobic contacts buried
BSA polar 107.6Ų
Polar contacts buried
Fraction buried 98.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 74.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1538.9Ų
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 597.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)