FAIRMol

Z409676128

Pose ID 5305 Compound 3130 Pose 564

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 Z409676128
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
17.7 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.58, Jaccard 0.48, H-bond role recall 0.40
Burial
96%
Hydrophobic fit
95%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.234 kcal/mol/HA) ✓ Good fit quality (FQ -10.71) ✓ Good H-bonds (3 bonds) ✓ Deep burial (96% SASA buried) ✓ Lipophilic contacts well-matched (95%) ✗ Moderate strain (17.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-27.144
kcal/mol
LE
-1.234
kcal/mol/HA
Fit Quality
-10.71
FQ (Leeson)
HAC
22
heavy atoms
MW
292
Da
LogP
3.02
cLogP
Strain ΔE
17.7 kcal/mol
SASA buried
96%
Lipo contact
95% BSA apolar/total
SASA unbound
550 Ų
Apolar buried
504 Ų

Interaction summary

HB 3 HY 24 PI 2 CLASH 4

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 rank2.302Score-27.144
Inter norm-1.476Intra norm0.243
Top1000noExcludedno
Contacts15H-bonds3
Artifact reasongeometry warning; 13 clashes; 1 protein clash
Residues
ARG14 ASN175 ASP161 CYS168 LEU208 LEU209 MET163 NAP301 PHE171 PHE97 PRO167 PRO210 SER95 TYR174 VAL164

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 overlap11Native recall0.58
Jaccard0.48RMSD-
HB strict2Strict recall0.33
HB same residue+role2HB role recall0.40
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
564 2.3024131496342086 -1.4764 -27.1441 3 15 11 0.58 0.40 - 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 -27.144kcal/mol
Ligand efficiency (LE) -1.2338kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.712
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 22HA

Physicochemical properties

Molecular weight 292.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.02
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 17.70kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -9.07kcal/mol
Minimised FF energy -26.77kcal/mol

SASA & burial

✓ computed
SASA (unbound) 549.8Ų
Total solvent-accessible surface area of free ligand
BSA total 530.7Ų
Buried surface area upon binding
BSA apolar 503.6Ų
Hydrophobic contacts buried
BSA polar 27.1Ų
Polar contacts buried
Fraction buried 96.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 94.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1636.7Ų
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 931.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)