FAIRMol

Z56787378

Pose ID 4507 Compound 2828 Pose 444

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 Z56787378
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
13.4 kcal/mol
Protein clashes
4
Internal clashes
6
Native overlap
contact recall 0.58, Jaccard 0.39, H-bond role recall 0.00
Burial
99%
Hydrophobic fit
86%
Reason: 6 internal clashes
4 protein-contact clashes 6 intramolecular clashes
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Daphnia EC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Algae IC₅₀
Cat. 1 — Very toxic (≤1 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
No
ADMET alerts (in-silico)
hERG Medium Ames Clear DILI Risk
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.069 kcal/mol/HA) ✓ Good fit quality (FQ -10.31) ✓ Deep burial (99% SASA buried) ✓ Lipophilic contacts well-matched (86%) ✗ Moderate strain (13.4 kcal/mol) ✗ No H-bonds detected ✗ Geometry warnings ✗ Protein-contact clashes (7) ✗ Many internal clashes (10)
Score
-32.057
kcal/mol
LE
-1.069
kcal/mol/HA
Fit Quality
-10.31
FQ (Leeson)
HAC
30
heavy atoms
MW
416
Da
LogP
4.92
cLogP
Final rank
1.2182
rank score
Inter norm
-1.036
normalised
Contacts
20
H-bonds 3
Strain ΔE
13.4 kcal/mol
SASA buried
99%
Lipo contact
86% BSA apolar/total
SASA unbound
693 Ų
Apolar buried
594 Ų

Interaction summary

HB 0 HY 9 PI 4 CLASH 6

HBD/HBA · H-bonds (geometric)

No hbd/hba · h-bonds (geometric) detected for this pose.

PI · π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

HY · Hydrophobic contacts

CLASH · Clashes

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 overlap11Native recall0.58
Jaccard0.39RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue1HB residue recall0.20

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
444 1.2181979166586359 -1.03598 -32.0571 3 20 11 0.58 0.00 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -32.057kcal/mol
Ligand efficiency (LE) -1.0686kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.308
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 415.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.92
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 13.38kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 62.19kcal/mol
Minimised FF energy 48.81kcal/mol

SASA & burial

✓ computed
SASA (unbound) 692.6Ų
Total solvent-accessible surface area of free ligand
BSA total 687.3Ų
Buried surface area upon binding
BSA apolar 594.0Ų
Hydrophobic contacts buried
BSA polar 93.3Ų
Polar contacts buried
Fraction buried 99.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 86.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1733.4Ų
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 917.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)