FAIRMol

Z1213668957

Pose ID 5354 Compound 3013 Pose 613

DB fairmolDocking pose analysis is being read from this database.
Compound detail Protein structures Back to compounds
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T08
T. brucei PTR1 T. brucei
Ligand Z1213668957
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
20.2 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.68, Jaccard 0.59, H-bond role recall 0.60
Burial
98%
Hydrophobic fit
83%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.068 kcal/mol/HA) ✓ Good fit quality (FQ -10.19) ✓ Good H-bonds (5 bonds) ✓ Deep burial (98% SASA buried) ✓ Lipophilic contacts well-matched (83%) ✗ High strain energy (20.2 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (4) ✗ Internal clashes (9)
Score
-30.966
kcal/mol
LE
-1.068
kcal/mol/HA
Fit Quality
-10.19
FQ (Leeson)
HAC
29
heavy atoms
MW
406
Da
LogP
4.77
cLogP
Strain ΔE
20.2 kcal/mol
SASA buried
98%
Lipo contact
83% BSA apolar/total
SASA unbound
615 Ų
Apolar buried
496 Ų

Interaction summary

HB 5 HY 24 PI 5 CLASH 4

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 rank0.649Score-30.966
Inter norm-1.137Intra norm0.069
Top1000noExcludedno
Contacts16H-bonds5
Artifact reasongeometry warning; 9 clashes; 4 protein contact clashes; 1 cofactor-context clash; moderate strain Δ 20.2
Residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LEU263 MET163 MET213 NAP301 PHE97 SER95 TRP221 TYR174 VAL206 HIS267

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 overlap13Native recall0.68
Jaccard0.59RMSD-
HB strict2Strict recall0.33
HB same residue+role3HB role recall0.60
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
613 0.6488964054026861 -1.13725 -30.9663 5 16 13 0.68 0.60 - no Current
639 1.9635390391236196 -0.784758 -22.2341 3 17 0 0.00 0.00 - no Open
636 2.461590206176231 -1.21836 -34.2265 8 18 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 -30.966kcal/mol
Ligand efficiency (LE) -1.0678kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.193
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties
Molecular weight 405.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.77
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)
Strain energy (ΔE) 20.21kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 74.25kcal/mol
Minimised FF energy 54.05kcal/mol

SASA & burial

✓ computed
SASA (unbound) 614.5Ų
Total solvent-accessible surface area of free ligand
BSA total 599.8Ų
Buried surface area upon binding
BSA apolar 495.7Ų
Hydrophobic contacts buried
BSA polar 104.1Ų
Polar contacts buried
Fraction buried 97.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1640.8Ų
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 920.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)