FAIRMol

Z104497306

Pose ID 4517 Compound 2679 Pose 454

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 Z104497306
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 but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
16.7 kcal/mol
Protein clashes
2
Internal clashes
8
Native overlap
contact recall 0.74, Jaccard 0.67, H-bond role recall 0.40
Burial
96%
Hydrophobic fit
71%
Reason: 8 internal clashes
2 protein-contact clashes 8 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.369 kcal/mol/HA) ✓ Good fit quality (FQ -10.97) ✓ Strong H-bond network (12 bonds) ✓ Deep burial (96% SASA buried) ✓ Lipophilic contacts well-matched (71%) ✗ Moderate strain (16.7 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (4) ✗ Internal clashes (6)
Score
-24.639
kcal/mol
LE
-1.369
kcal/mol/HA
Fit Quality
-10.97
FQ (Leeson)
HAC
18
heavy atoms
MW
265
Da
LogP
0.45
cLogP
Strain ΔE
16.7 kcal/mol
SASA buried
96%
Lipo contact
71% BSA apolar/total
SASA unbound
481 Ų
Apolar buried
327 Ų

Interaction summary

HB 12 HY 12 PI 2 CLASH 8

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 rank-0.217Score-24.639
Inter norm-1.752Intra norm0.383
Top1000noExcludedno
Contacts16H-bonds12
Artifact reasongeometry warning; 6 clashes; 4 protein contact clashes; 1 severe cofactor-context clash
Residues
ALA96 ARG14 GLY205 LEU208 LEU209 LEU263 LYS178 MET213 NAP301 PHE97 PRO210 SER207 SER95 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 overlap14Native recall0.74
Jaccard0.67RMSD-
HB strict3Strict recall0.50
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
454 -0.21749554397758344 -1.75178 -24.6391 12 16 14 0.74 0.40 - no Current
480 2.44337014472352 -1.42438 -24.2473 5 14 0 0.00 0.00 - no Open
465 2.7704179659118466 -1.51719 -23.8017 14 18 0 0.00 0.00 - no Open
466 4.00752394528947 -1.47405 -18.6377 16 17 0 0.00 0.00 - no Open
472 4.108278491893934 -1.92763 -25.3542 12 20 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 -24.639kcal/mol
Ligand efficiency (LE) -1.3688kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.970
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 18HA

Physicochemical properties

Molecular weight 265.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.45
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 16.73kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -173.76kcal/mol
Minimised FF energy -190.49kcal/mol

SASA & burial

✓ computed
SASA (unbound) 481.1Ų
Total solvent-accessible surface area of free ligand
BSA total 461.2Ų
Buried surface area upon binding
BSA apolar 326.9Ų
Hydrophobic contacts buried
BSA polar 134.2Ų
Polar contacts buried
Fraction buried 95.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1463.6Ų
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 927.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)