FAIRMol

TC483

Pose ID 4302 Compound 476 Pose 239

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T07
T. brucei PTR1 T. brucei
Ligand TC483
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
61.6 kcal/mol
Protein clashes
0
Internal clashes
16
Native overlap
contact recall 0.79, Jaccard 0.68, H-bond role recall 0.40
Burial
71%
Hydrophobic fit
82%
Reason: 16 internal clashes, strain 61.6 kcal/mol
strain ΔE 61.6 kcal/mol 16 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.474 kcal/mol/HA) ✓ Good fit quality (FQ -4.98) ✓ Good H-bonds (4 bonds) ✓ Deep burial (71% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ Extreme strain energy (61.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (16)
Score
-19.430
kcal/mol
LE
-0.474
kcal/mol/HA
Fit Quality
-4.98
FQ (Leeson)
HAC
41
heavy atoms
MW
560
Da
LogP
3.95
cLogP
Strain ΔE
61.6 kcal/mol
SASA buried
71%
Lipo contact
82% BSA apolar/total
SASA unbound
892 Ų
Apolar buried
520 Ų

Interaction summary

HB 4 HY 24 PI 3 CLASH 0

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

No clash · clashes detected for this pose.
Final rank1.189Score-19.430
Inter norm-0.739Intra norm0.265
Top1000noExcludedno
Contacts18H-bonds4
Artifact reasongeometry warning; 16 clashes; 1 protein contact clash; 1 severe cofactor-context clash; high strain Δ 56.5
Residues
ALA212 ARG14 GLU217 GLY214 LEU208 LEU209 LYS178 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 SER95 TRP221 TYR174 TYR98 VAL206

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
NameTbPTR1_cW_6RX6_ReadyContacts19
PoseOpen native poseHB0
IFP residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LYS178 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 SER207 SER95 TRP221 TYR174 TYR98 VAL206
Current overlap15Native recall0.79
Jaccard0.68RMSD-
HB strict2Strict recall0.33
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

Protein summary

275 residues
Protein targetT07Atoms3932
Residues275Chains3
Residue summaryLEU:437; VAL:433; ALA:361; ARG:288; ILE:266; GLU:210; LYS:198; SER:198; ASN:182; THR:154; GLN:153; PHE:140; PRO:140; TYR:126; GLY:112; HIS:103

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:NAP301

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
239 1.188821352848611 -0.738794 -19.4295 4 18 15 0.79 0.40 - no Current
307 2.736456701881956 -0.641307 -21.6716 5 20 0 0.00 0.00 - no Open
236 4.049159380435853 -0.620236 -20.8061 9 19 0 0.00 0.00 - no Open
173 7.228239214845638 -0.663494 -18.6148 16 19 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 -19.430kcal/mol
Ligand efficiency (LE) -0.4739kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -4.979
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 41HA

Physicochemical properties

Molecular weight 559.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.95
Lipinski: ≤ 5
Rotatable bonds 12

Conformational strain (MMFF94s)

Strain energy (ΔE) 61.63kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 138.37kcal/mol
Minimised FF energy 76.74kcal/mol

SASA & burial

✓ computed
SASA (unbound) 891.8Ų
Total solvent-accessible surface area of free ligand
BSA total 633.8Ų
Buried surface area upon binding
BSA apolar 520.4Ų
Hydrophobic contacts buried
BSA polar 113.4Ų
Polar contacts buried
Fraction buried 71.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1851.5Ų
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 2051.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 958.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)