FAIRMol

Z17586786

Pose ID 5306 Compound 846 Pose 565

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 Z17586786
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 mixed SASA done
Strain ΔE
27.7 kcal/mol
Protein clashes
4
Internal clashes
1
Native overlap
contact recall 0.47, Jaccard 0.43, H-bond role recall 0.40
Burial
74%
Hydrophobic fit
70%
Reason: no major geometry red flags detected
4 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.133 kcal/mol/HA) ✓ Good fit quality (FQ -10.92) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (74% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ High strain energy (27.7 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (4) ✗ Many internal clashes (15)
Score
-33.975
kcal/mol
LE
-1.133
kcal/mol/HA
Fit Quality
-10.92
FQ (Leeson)
HAC
30
heavy atoms
MW
439
Da
LogP
3.29
cLogP
Strain ΔE
27.7 kcal/mol
SASA buried
74%
Lipo contact
70% BSA apolar/total
SASA unbound
707 Ų
Apolar buried
364 Ų

Interaction summary

HB 8 HY 24 PI 2 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 rank1.194Score-33.975
Inter norm-1.121Intra norm-0.011
Top1000noExcludedno
Contacts11H-bonds8
Artifact reasongeometry warning; 15 clashes; 4 protein contact clashes; 1 severe cofactor-context clash; moderate strain Δ 27.7
Residues
ALA212 ARG14 GLY205 LEU208 LEU209 NAP301 PHE97 PRO210 TYR174 VAL206 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 overlap9Native recall0.47
Jaccard0.43RMSD-
HB strict3Strict recall0.50
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
565 1.1937598601304344 -1.12119 -33.975 8 11 9 0.47 0.40 - no Current
581 1.851678950788277 -0.849421 -25.582 3 12 0 0.00 0.00 - no Open
567 2.455088140425625 -1.06535 -31.144 6 20 0 0.00 0.00 - no Open
583 2.510939092973108 -0.961098 -28.3281 3 13 0 0.00 0.00 - no Open
597 5.414259517488726 -0.787138 -24.9962 6 11 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 -33.975kcal/mol
Ligand efficiency (LE) -1.1325kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.924
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 438.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.29
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 27.68kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 42.61kcal/mol
Minimised FF energy 14.93kcal/mol

SASA & burial

✓ computed
SASA (unbound) 706.7Ų
Total solvent-accessible surface area of free ligand
BSA total 524.3Ų
Buried surface area upon binding
BSA apolar 364.4Ų
Hydrophobic contacts buried
BSA polar 159.8Ų
Polar contacts buried
Fraction buried 74.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 69.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1621.4Ų
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 935.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)