FAIRMol

Z215393742

Pose ID 5298 Compound 759 Pose 557

DB SELECTIONDocking 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 Z215393742
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding strong Geometry high Native strong SASA done
Strain ΔE
11.2 kcal/mol
Protein clashes
0
Internal clashes
1
Native overlap
contact recall 0.68, Jaccard 0.68, H-bond role recall 0.20
Burial
94%
Hydrophobic fit
82%
Reason: no major geometry red flags detected
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.397 kcal/mol/HA) ✓ Good fit quality (FQ -12.52) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ Moderate strain (11.2 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-33.520
kcal/mol
LE
-1.397
kcal/mol/HA
Fit Quality
-12.52
FQ (Leeson)
HAC
24
heavy atoms
MW
332
Da
LogP
4.54
cLogP
Strain ΔE
11.2 kcal/mol
SASA buried
94%
Lipo contact
82% BSA apolar/total
SASA unbound
548 Ų
Apolar buried
425 Ų

Interaction summary

HB 2 HY 24 PI 5 CLASH 1
Final rank0.067Score-33.520
Inter norm-1.349Intra norm-0.048
Top1000noExcludedno
Contacts13H-bonds2
Artifact reasongeometry warning; 9 clashes; 1 protein contact clash; 1 cofactor-context clash
Residues
ARG14 ASP161 CYS168 GLY205 LEU209 LYS178 MET213 NAP301 PHE171 PHE97 TRP221 TYR174 VAL206

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

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 overlap13Native recall0.68
Jaccard0.68RMSD-
HB strict1Strict recall0.17
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
557 0.06674314397250632 -1.34851 -33.5198 2 13 13 0.68 0.20 - no Current
549 0.12904242560902074 -1.04159 -24.4749 1 15 0 0.00 0.00 - no Open
571 1.211083361747357 -1.13905 -26.9009 1 18 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 -33.520kcal/mol
Ligand efficiency (LE) -1.3967kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.517
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 332.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.54
Lipinski: ≤ 5
Rotatable bonds 3

Conformational strain (MMFF94s)

Strain energy (ΔE) 11.19kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 27.61kcal/mol
Minimised FF energy 16.43kcal/mol

SASA & burial

✓ computed
SASA (unbound) 547.7Ų
Total solvent-accessible surface area of free ligand
BSA total 517.3Ų
Buried surface area upon binding
BSA apolar 425.1Ų
Hydrophobic contacts buried
BSA polar 92.2Ų
Polar contacts buried
Fraction buried 94.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1592.3Ų
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 915.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)