FAIRMol

Z239122898

Pose ID 4515 Compound 2785 Pose 452

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T07
T. brucei PTR1 T. brucei
Ligand Z239122898
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 medium Native strong SASA done
Strain ΔE
10.8 kcal/mol
Protein clashes
2
Internal clashes
3
Native overlap
contact recall 0.53, Jaccard 0.50, H-bond role recall 0.60
Burial
96%
Hydrophobic fit
81%
Reason: no major geometry red flags detected
2 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.558 kcal/mol/HA) ✓ Good fit quality (FQ -12.18) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (96% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ Moderate strain (10.8 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-26.480
kcal/mol
LE
-1.558
kcal/mol/HA
Fit Quality
-12.18
FQ (Leeson)
HAC
17
heavy atoms
MW
248
Da
LogP
2.07
cLogP
Strain ΔE
10.8 kcal/mol
SASA buried
96%
Lipo contact
81% BSA apolar/total
SASA unbound
456 Ų
Apolar buried
353 Ų

Interaction summary

HB 7 HY 20 PI 4 CLASH 3

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 rank0.832Score-26.480
Inter norm-1.854Intra norm0.296
Top1000noExcludedno
Contacts11H-bonds7
Artifact reasongeometry warning; 6 clashes; 1 protein clash; 4 cofactor-context clashes
Residues
ALA96 ARG14 LEU208 LEU209 NAP301 PHE97 PRO210 SER207 SER95 TYR174 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 overlap10Native recall0.53
Jaccard0.50RMSD-
HB strict3Strict recall0.50
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

Protein summary

275 residues
Protein targetT07Atoms3932
Residues275Chains3
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
452 0.8318490784485888 -1.85367 -26.48 7 11 10 0.53 0.60 - 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 -26.480kcal/mol
Ligand efficiency (LE) -1.5576kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.180
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 17HA

Physicochemical properties

Molecular weight 248.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.07
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 10.76kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -7.65kcal/mol
Minimised FF energy -18.40kcal/mol

SASA & burial

✓ computed
SASA (unbound) 456.1Ų
Total solvent-accessible surface area of free ligand
BSA total 435.6Ų
Buried surface area upon binding
BSA apolar 352.6Ų
Hydrophobic contacts buried
BSA polar 83.0Ų
Polar contacts buried
Fraction buried 95.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1492.9Ų
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 925.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)