FAIRMol

Z184977544

Pose ID 5276 Compound 2533 Pose 535

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 Z184977544
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
22.0 kcal/mol
Protein clashes
0
Internal clashes
1
Native overlap
contact recall 0.42, Jaccard 0.38, H-bond role recall 0.40
Burial
84%
Hydrophobic fit
80%
Reason: no major geometry red flags detected
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.391 kcal/mol/HA) ✓ Good fit quality (FQ -12.65) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ High strain energy (22.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-34.782
kcal/mol
LE
-1.391
kcal/mol/HA
Fit Quality
-12.65
FQ (Leeson)
HAC
25
heavy atoms
MW
339
Da
LogP
1.73
cLogP
Strain ΔE
22.0 kcal/mol
SASA buried
84%
Lipo contact
80% BSA apolar/total
SASA unbound
566 Ų
Apolar buried
380 Ų

Interaction summary

HB 9 HY 11 PI 1 CLASH 1
Final rank2.318Score-34.782
Inter norm-1.317Intra norm-0.074
Top1000noExcludedno
Contacts10H-bonds9
Artifact reasongeometry warning; 11 clashes; 2 protein clashes; 4 cofactor-context clashes; moderate strain Δ 22.0
Residues
ALA96 ARG14 ASP161 LYS13 NAP301 PHE97 PRO210 SER95 TYR174 TYR98

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 overlap8Native recall0.42
Jaccard0.38RMSD-
HB strict3Strict recall0.50
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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
533 1.3842393497320211 -1.10561 -24.9518 10 20 0 0.00 0.00 - no Open
534 1.4161180290319177 -0.989145 -24.122 4 15 0 0.00 0.00 - no Open
535 2.3183982255942754 -1.31713 -34.7821 9 10 8 0.42 0.40 - no Current
543 2.358570273815441 -1.29787 -36.8733 10 19 0 0.00 0.00 - no Open
541 2.3614780804753868 -1.05293 -26.4844 8 18 0 0.00 0.00 - no Open
530 2.9003254481956033 -1.26056 -33.7209 4 15 12 0.63 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 -34.782kcal/mol
Ligand efficiency (LE) -1.3913kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.648
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 339.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.73
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 21.96kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -52.97kcal/mol
Minimised FF energy -74.93kcal/mol

SASA & burial

✓ computed
SASA (unbound) 565.9Ų
Total solvent-accessible surface area of free ligand
BSA total 472.8Ų
Buried surface area upon binding
BSA apolar 379.5Ų
Hydrophobic contacts buried
BSA polar 93.3Ų
Polar contacts buried
Fraction buried 83.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1538.9Ų
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 969.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)