FAIRMol

Z32377576

Pose ID 4624 Compound 586 Pose 561

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 Z32377576
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 medium Native strong SASA done
Strain ΔE
37.0 kcal/mol
Protein clashes
1
Internal clashes
2
Native overlap
contact recall 0.84, Jaccard 0.80, H-bond role recall 0.40
Burial
92%
Hydrophobic fit
70%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.124 kcal/mol/HA) ✓ Good fit quality (FQ -10.35) ✓ Good H-bonds (3 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ Very high strain energy (37.0 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-29.219
kcal/mol
LE
-1.124
kcal/mol/HA
Fit Quality
-10.35
FQ (Leeson)
HAC
26
heavy atoms
MW
418
Da
LogP
0.61
cLogP
Strain ΔE
37.0 kcal/mol
SASA buried
92%
Lipo contact
70% BSA apolar/total
SASA unbound
586 Ų
Apolar buried
381 Ų

Interaction summary

HB 3 HY 24 PI 4 CLASH 2

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 rank1.281Score-29.219
Inter norm-1.165Intra norm0.041
Top1000noExcludedno
Contacts17H-bonds3
Artifact reasongeometry warning; 8 clashes; 1 protein clash; 1 cofactor-context clash; high strain Δ 37.0
Residues
ARG14 ASP161 CYS168 GLU217 GLY205 LEU208 LEU209 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 SER207 TRP221 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 overlap16Native recall0.84
Jaccard0.80RMSD-
HB strict1Strict recall0.17
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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
561 1.281315128434903 -1.16481 -29.2191 3 17 16 0.84 0.40 - no Current
599 1.9617089119884996 -0.797676 -21.4203 7 13 0 0.00 0.00 - no Open
590 3.519689719153305 -0.991228 -22.6292 5 19 0 0.00 0.00 - no Open
570 3.6491157227042055 -0.996974 -24.9528 4 20 0 0.00 0.00 - no Open
566 4.1449485637692485 -1.11173 -25.5792 12 17 0 0.00 0.00 - no Open
581 4.392249020894027 -0.932022 -23.6087 14 17 0 0.00 0.00 - no Open
597 4.496744275640383 -0.955549 -21.4979 11 16 0 0.00 0.00 - no Open
594 5.62570554899604 -1.46712 -38.3289 11 23 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 -29.219kcal/mol
Ligand efficiency (LE) -1.1238kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.354
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 417.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.61
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 37.02kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -162.17kcal/mol
Minimised FF energy -199.19kcal/mol

SASA & burial

✓ computed
SASA (unbound) 586.0Ų
Total solvent-accessible surface area of free ligand
BSA total 541.2Ų
Buried surface area upon binding
BSA apolar 380.7Ų
Hydrophobic contacts buried
BSA polar 160.5Ų
Polar contacts buried
Fraction buried 92.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1539.7Ų
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 902.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)