FAIRMol

Z49605060

Pose ID 5123 Compound 1144 Pose 382

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T08
T. brucei PTR1 T. brucei
Ligand Z49605060
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
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
39.6 kcal/mol
Protein clashes
4
Internal clashes
5
Native overlap
contact recall 0.47, Jaccard 0.43, H-bond role recall 0.60
Burial
83%
Hydrophobic fit
74%
Reason: no major geometry red flags detected
4 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.359 kcal/mol/HA) ✓ Good fit quality (FQ -12.68) ✓ Strong H-bond network (12 bonds) ✓ Deep burial (83% SASA buried) ✓ Lipophilic contacts well-matched (74%) ✗ Very high strain energy (39.6 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (9) ✗ Internal clashes (8)
Score
-36.695
kcal/mol
LE
-1.359
kcal/mol/HA
Fit Quality
-12.68
FQ (Leeson)
HAC
27
heavy atoms
MW
389
Da
LogP
2.22
cLogP
Strain ΔE
39.6 kcal/mol
SASA buried
83%
Lipo contact
74% BSA apolar/total
SASA unbound
640 Ų
Apolar buried
391 Ų

Interaction summary

HB 12 HY 16 PI 1 CLASH 5
Final rank1.186Score-36.695
Inter norm-1.230Intra norm-0.129
Top1000noExcludedno
Contacts11H-bonds12
Artifact reasongeometry warning; 8 clashes; 9 protein contact clashes; 5 cofactor-context clashes; high strain Δ 39.6
Residues
ALA96 ARG14 LEU208 LEU209 NAP301 PHE97 PRO210 SER95 TYR174 TYR98 VAL211

Protein summary

258 residues
Protein targetT08Atoms3881
Residues258Chains2
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

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 overlap9Native recall0.47
Jaccard0.43RMSD-
HB strict3Strict recall0.50
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

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
382 1.1856817848753087 -1.2299 -36.6954 12 11 9 0.47 0.60 - no Current
410 1.5492191472670493 -1.06094 -32.6346 3 14 0 0.00 0.00 - no Open
431 1.6558929653522128 -0.885977 -23.8179 8 15 0 0.00 0.00 - no Open
392 1.7134426677175625 -1.06546 -26.3867 8 14 0 0.00 0.00 - no Open
346 2.08459079571292 -1.28056 -31.9367 8 14 12 0.63 0.40 - no Open
331 2.799827702615812 -1.05953 -20.0297 5 12 0 0.00 0.00 - no Open
363 2.9071394399987356 -1.09378 -35.5375 7 24 0 0.00 0.00 - no Open
392 3.4571126202015106 -1.01023 -31.045 12 17 0 0.00 0.00 - no Open
374 4.317628293699705 -0.87843 -27.1637 5 14 0 0.00 0.00 - no Open
366 4.388836339845029 -1.195 -30.9661 12 24 0 0.00 0.00 - no Open
359 5.916636608464641 -1.03551 -21.5961 9 18 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 -36.695kcal/mol
Ligand efficiency (LE) -1.3591kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.680
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 389.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.22
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 39.55kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 37.68kcal/mol
Minimised FF energy -1.87kcal/mol

SASA & burial

✓ computed
SASA (unbound) 639.7Ų
Total solvent-accessible surface area of free ligand
BSA total 529.3Ų
Buried surface area upon binding
BSA apolar 390.6Ų
Hydrophobic contacts buried
BSA polar 138.7Ų
Polar contacts buried
Fraction buried 82.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 73.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1585.5Ų
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 946.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)