FAIRMol

Z274534584

Pose ID 4522 Compound 2070 Pose 459

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 Z274534584
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
14.6 kcal/mol
Protein clashes
0
Internal clashes
7
Native overlap
contact recall 0.84, Jaccard 0.80, H-bond role recall 0.00
Burial
92%
Hydrophobic fit
77%
Reason: 7 internal clashes
7 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.284 kcal/mol/HA) ✓ Good fit quality (FQ -11.67) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Moderate strain (14.6 kcal/mol) ✗ No H-bonds detected ✗ Geometry warnings ✗ Internal clashes (7)
Score
-32.105
kcal/mol
LE
-1.284
kcal/mol/HA
Fit Quality
-11.67
FQ (Leeson)
HAC
25
heavy atoms
MW
365
Da
LogP
1.83
cLogP
Strain ΔE
14.6 kcal/mol
SASA buried
92%
Lipo contact
77% BSA apolar/total
SASA unbound
585 Ų
Apolar buried
418 Ų

Interaction summary

HB 0 HY 24 PI 4 CLASH 0

HB · H-bonds

No hb · h-bonds detected for this pose.

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 rank-0.467Score-32.105
Inter norm-1.271Intra norm-0.013
Top1000noExcludedno
Contacts17H-bonds0
Artifact reasongeometry warning; 7 clashes
Residues
ARG14 ASP161 CYS168 GLU217 GLY205 LEU208 LEU209 MET213 NAP301 PHE171 PHE97 PRO210 SER207 SER95 TRP221 TYR174 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 overlap16Native recall0.84
Jaccard0.80RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
459 -0.4669628234099471 -1.27134 -32.1047 0 17 16 0.84 0.00 - no Current
458 1.6371172790810051 -1.18135 -28.022 7 15 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 -32.105kcal/mol
Ligand efficiency (LE) -1.2842kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.674
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 365.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.83
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 14.62kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -31.86kcal/mol
Minimised FF energy -46.48kcal/mol

SASA & burial

✓ computed
SASA (unbound) 585.2Ų
Total solvent-accessible surface area of free ligand
BSA total 540.8Ų
Buried surface area upon binding
BSA apolar 417.9Ų
Hydrophobic contacts buried
BSA polar 122.8Ų
Polar contacts buried
Fraction buried 92.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1597.1Ų
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 909.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)