FAIRMol

Z56327510

Pose ID 5263 Compound 2898 Pose 522

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 Z56327510
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
32.8 kcal/mol
Protein clashes
1
Internal clashes
2
Native overlap
contact recall 0.74, Jaccard 0.61, H-bond role recall 0.20
Burial
94%
Hydrophobic fit
88%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.983 kcal/mol/HA) ✓ Good fit quality (FQ -9.57) ✓ Good H-bonds (3 bonds) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (88%) ✗ Very high strain energy (32.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17)
Score
-30.468
kcal/mol
LE
-0.983
kcal/mol/HA
Fit Quality
-9.57
FQ (Leeson)
HAC
31
heavy atoms
MW
414
Da
LogP
0.78
cLogP
Strain ΔE
32.8 kcal/mol
SASA buried
94%
Lipo contact
88% BSA apolar/total
SASA unbound
696 Ų
Apolar buried
576 Ų

Interaction summary

HB 3 HY 24 PI 5 CLASH 2

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 rank1.021Score-30.468
Inter norm-1.139Intra norm0.156
Top1000noExcludedno
Contacts18H-bonds3
Artifact reasongeometry warning; 17 clashes; 1 protein contact clash; 2 cofactor-context clashes; high strain Δ 32.8
Residues
ARG14 ASN175 ASP161 CYS168 LEU208 LEU209 LYS178 MET163 MET213 NAP301 PHE171 PHE97 PRO167 PRO210 TRP221 TYR174 VAL164 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 overlap14Native recall0.74
Jaccard0.61RMSD-
HB strict1Strict recall0.17
HB same residue+role1HB role recall0.20
HB same residue2HB residue recall0.40

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
522 1.0208582892364908 -1.13874 -30.468 3 18 14 0.74 0.20 - no Current
508 2.267976132756282 -1.17694 -31.8026 4 19 14 0.74 0.20 - 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 -30.468kcal/mol
Ligand efficiency (LE) -0.9828kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.575
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 414.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.78
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 32.81kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -79.49kcal/mol
Minimised FF energy -112.30kcal/mol

SASA & burial

✓ computed
SASA (unbound) 695.8Ų
Total solvent-accessible surface area of free ligand
BSA total 652.0Ų
Buried surface area upon binding
BSA apolar 576.1Ų
Hydrophobic contacts buried
BSA polar 75.9Ų
Polar contacts buried
Fraction buried 93.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 88.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1754.6Ų
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 917.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)