FAIRMol

Z57780857

Pose ID 5275 Compound 3150 Pose 534

DB fairmolDocking 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 Z57780857
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
17.4 kcal/mol
Protein clashes
4
Internal clashes
6
Native overlap
contact recall 0.74, Jaccard 0.61, H-bond role recall 0.20
Burial
95%
Hydrophobic fit
84%
Reason: 6 internal clashes
4 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.006 kcal/mol/HA) ✓ Good fit quality (FQ -10.06) ✓ Good H-bonds (5 bonds) ✓ Deep burial (95% SASA buried) ✓ Lipophilic contacts well-matched (84%) ✗ Moderate strain (17.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (16)
Score
-34.202
kcal/mol
LE
-1.006
kcal/mol/HA
Fit Quality
-10.06
FQ (Leeson)
HAC
34
heavy atoms
MW
454
Da
LogP
3.20
cLogP
Strain ΔE
17.4 kcal/mol
SASA buried
95%
Lipo contact
84% BSA apolar/total
SASA unbound
731 Ų
Apolar buried
584 Ų

Interaction summary

HB 5 HY 24 PI 5 CLASH 6

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 rank3.034Score-34.202
Inter norm-1.002Intra norm-0.004
Top1000noExcludedno
Contacts18H-bonds5
Artifact reasongeometry warning; 16 clashes; 1 protein clash; 2 cofactor-context clashes
Residues
ARG14 ASN175 ASP161 CYS168 GLY205 LEU208 LEU209 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
534 3.0339227973722793 -1.00151 -34.2018 5 18 14 0.74 0.20 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -34.202kcal/mol
Ligand efficiency (LE) -1.0059kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.065
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 453.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.20
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 17.37kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -36.29kcal/mol
Minimised FF energy -53.66kcal/mol

SASA & burial

✓ computed
SASA (unbound) 730.7Ų
Total solvent-accessible surface area of free ligand
BSA total 694.6Ų
Buried surface area upon binding
BSA apolar 584.2Ų
Hydrophobic contacts buried
BSA polar 110.4Ų
Polar contacts buried
Fraction buried 95.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1756.9Ų
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 2051.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 915.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)