FAIRMol

Z29467292

Pose ID 5378 Compound 1916 Pose 637

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 Z29467292
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
Promising but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
24.0 kcal/mol
Protein clashes
7
Internal clashes
8
Native overlap
contact recall 0.37, Jaccard 0.29, H-bond role recall 0.20
Burial
90%
Hydrophobic fit
65%
Reason: 1 severe internal clashes, 8 internal clashes
1 severe internal clashes 7 protein-contact clashes 8 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.995 kcal/mol/HA) ✓ Good fit quality (FQ -9.04) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (65%) ✗ High strain energy (24.0 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-24.864
kcal/mol
LE
-0.995
kcal/mol/HA
Fit Quality
-9.04
FQ (Leeson)
HAC
25
heavy atoms
MW
349
Da
LogP
2.43
cLogP
Strain ΔE
24.0 kcal/mol
SASA buried
90%
Lipo contact
65% BSA apolar/total
SASA unbound
591 Ų
Apolar buried
343 Ų

Interaction summary

HB 8 HY 21 PI 4 CLASH 8 Severe 1
Final rank4.194Score-24.864
Inter norm-1.271Intra norm0.276
Top1000noExcludedno
Contacts12H-bonds8
Artifact reasongeometry warning; 8 clashes; 3 protein clashes; 2 cofactor-context clashes; moderate strain Δ 24.0
Residues
ARG14 ASN175 ASP161 CYS168 MET163 NAP301 PHE97 PRO167 PRO210 TYR174 VAL164 VAL211

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 overlap7Native recall0.37
Jaccard0.29RMSD-
HB strict1Strict recall0.17
HB same residue+role1HB role recall0.20
HB same residue3HB residue recall0.60

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
655 2.297298822677387 -1.11574 -21.8348 16 18 0 0.00 0.00 - no Open
647 2.664669471635406 -1.03291 -32.3238 3 12 0 0.00 0.00 - no Open
630 3.413208291730832 -1.06105 -23.2911 9 12 0 0.00 0.00 - no Open
647 3.4491358016340006 -1.13398 -28.6141 10 14 0 0.00 0.00 - no Open
637 4.194231666647193 -1.27092 -24.8645 8 12 7 0.37 0.20 - no Current
649 4.214149267054125 -0.836819 -15.4094 10 9 0 0.00 0.00 - no Open
660 4.602546806562358 -1.02704 -25.7758 14 14 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 -24.864kcal/mol
Ligand efficiency (LE) -0.9946kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.042
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 349.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.43
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.04kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 41.43kcal/mol
Minimised FF energy 17.39kcal/mol

SASA & burial

✓ computed
SASA (unbound) 590.7Ų
Total solvent-accessible surface area of free ligand
BSA total 528.6Ų
Buried surface area upon binding
BSA apolar 342.6Ų
Hydrophobic contacts buried
BSA polar 186.0Ų
Polar contacts buried
Fraction buried 89.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 64.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1513.1Ų
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 941.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)