FAIRMol

Z49734016

Pose ID 5335 Compound 331 Pose 594

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 Z49734016
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
19.1 kcal/mol
Protein clashes
3
Internal clashes
5
Native overlap
contact recall 0.63, Jaccard 0.55, H-bond role recall 0.20
Burial
88%
Hydrophobic fit
76%
Reason: no major geometry red flags detected
3 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.141 kcal/mol/HA) ✓ Good fit quality (FQ -10.89) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (76%) ✗ Moderate strain (19.1 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Many internal clashes (12)
Score
-33.080
kcal/mol
LE
-1.141
kcal/mol/HA
Fit Quality
-10.89
FQ (Leeson)
HAC
29
heavy atoms
MW
408
Da
LogP
3.56
cLogP
Strain ΔE
19.1 kcal/mol
SASA buried
88%
Lipo contact
76% BSA apolar/total
SASA unbound
721 Ų
Apolar buried
482 Ų

Interaction summary

HB 7 HY 24 PI 3 CLASH 5

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 rank0.655Score-33.080
Inter norm-1.214Intra norm0.074
Top1000noExcludedno
Contacts15H-bonds7
Artifact reasongeometry warning; 12 clashes; 3 protein contact clashes; 3 cofactor-context clashes
Residues
ALA212 ARG14 ASP161 CYS168 LEU208 LEU209 LYS13 MET213 NAP301 PHE97 PRO210 TRP221 TYR174 VAL206 VAL211

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 overlap12Native recall0.63
Jaccard0.55RMSD-
HB strict1Strict recall0.17
HB same residue+role1HB role recall0.20
HB same residue3HB residue recall0.60

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
594 0.6547279094204518 -1.21427 -33.0798 7 15 12 0.63 0.20 - no Current
608 1.3120767754076195 -1.13381 -29.6637 7 12 0 0.00 0.00 - no Open
601 1.5338364307210228 -1.184 -35.5526 9 21 15 0.79 0.40 - no Open
611 2.0085429260812084 -0.922927 -27.4092 3 17 0 0.00 0.00 - no Open
600 2.169770923115749 -0.961824 -27.1396 3 15 0 0.00 0.00 - no Open
594 2.3539939501104934 -0.905103 -24.472 7 17 0 0.00 0.00 - no Open
627 3.9297746209403894 -0.827527 -25.6648 7 12 0 0.00 0.00 - no Open
610 4.395035279576928 -0.959762 -27.7016 9 15 0 0.00 0.00 - no Open
616 4.913412662238806 -0.960121 -29.341 8 21 0 0.00 0.00 - no Open
605 6.5157676791760775 -0.924269 -20.9833 10 17 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 -33.080kcal/mol
Ligand efficiency (LE) -1.1407kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.889
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 408.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.56
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 19.15kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 70.55kcal/mol
Minimised FF energy 51.41kcal/mol

SASA & burial

✓ computed
SASA (unbound) 721.0Ų
Total solvent-accessible surface area of free ligand
BSA total 633.3Ų
Buried surface area upon binding
BSA apolar 481.9Ų
Hydrophobic contacts buried
BSA polar 151.4Ų
Polar contacts buried
Fraction buried 87.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1692.9Ų
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 917.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)