FAIRMol

Z30879667

Pose ID 5171 Compound 3155 Pose 430

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 Z30879667
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 high Native strong SASA done
Strain ΔE
23.6 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.63, Jaccard 0.52, H-bond role recall 0.00
Burial
80%
Hydrophobic fit
90%
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 (-1.063 kcal/mol/HA) ✓ Good fit quality (FQ -10.45) ✓ Good H-bonds (3 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (90%) ✗ High strain energy (23.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17)
Score
-34.002
kcal/mol
LE
-1.063
kcal/mol/HA
Fit Quality
-10.45
FQ (Leeson)
HAC
32
heavy atoms
MW
424
Da
LogP
4.88
cLogP
Strain ΔE
23.6 kcal/mol
SASA buried
80%
Lipo contact
90% BSA apolar/total
SASA unbound
731 Ų
Apolar buried
527 Ų

Interaction summary

HB 3 HY 24 PI 3 CLASH 1

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 rank3.282Score-34.002
Inter norm-1.047Intra norm-0.016
Top1000noExcludedno
Contacts16H-bonds3
Artifact reasongeometry warning; 17 clashes; 2 protein clashes; 1 cofactor-context clash; moderate strain Δ 23.6
Residues
ALA212 ARG14 CYS168 GLU217 LEU208 LEU209 LYS220 MET213 NAP301 PHE171 PHE97 PRO210 SER207 TRP221 TYR174 VAL211

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 overlap12Native recall0.63
Jaccard0.52RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue1HB residue recall0.20

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
518 1.5137272324852789 -0.755624 -24.2487 3 14 0 0.00 0.00 - no Open
507 1.6831530375841808 -0.722536 -23.653 3 15 0 0.00 0.00 - no Open
460 1.9790382860098996 -0.755863 -23.9438 4 12 0 0.00 0.00 - no Open
430 3.281712671900747 -1.04685 -34.0019 3 16 12 0.63 0.00 - 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 -34.002kcal/mol
Ligand efficiency (LE) -1.0626kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.449
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 423.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.88
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 23.56kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 142.51kcal/mol
Minimised FF energy 118.95kcal/mol

SASA & burial

✓ computed
SASA (unbound) 730.9Ų
Total solvent-accessible surface area of free ligand
BSA total 587.2Ų
Buried surface area upon binding
BSA apolar 526.9Ų
Hydrophobic contacts buried
BSA polar 60.3Ų
Polar contacts buried
Fraction buried 80.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 89.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1786.5Ų
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 932.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)