FAIRMol

Z30857856

Pose ID 8019 Compound 1507 Pose 567

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T12
T. brucei R5P T. brucei
Ligand Z30857856
PDB6FXS

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 and worth follow-up
Binding strong Geometry high Native strong SASA done
Strain ΔE
11.9 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.94, Jaccard 0.83, H-bond role recall 0.40
Burial
79%
Hydrophobic fit
69%
Reason: no major geometry red flags detected
1 protein-contact clashes 57% of hydrophobic surface appears solvent-exposed (8/14 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Not classified (>100 mg/L)
Daphnia EC₅₀
Not classified (>100 mg/L)
Algae IC₅₀
Not classified (>100 mg/L)
Bioaccum.
Not B (BCF≤2000)
Persistent
No
ADMET alerts (in-silico)
hERG Low Ames Clear DILI Low
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.294 kcal/mol/HA) ✓ Good fit quality (FQ -11.04) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (79% SASA buried) ✓ Lipophilic contacts well-matched (69%) ✗ Moderate strain (11.9 kcal/mol) ✗ Geometry warnings
Score
-27.174
kcal/mol
LE
-1.294
kcal/mol/HA
Fit Quality
-11.04
FQ (Leeson)
HAC
21
heavy atoms
MW
324
Da
LogP
1.30
cLogP
Final rank
2.3225
rank score
Inter norm
-1.362
normalised
Contacts
17
H-bonds 11
Strain ΔE
11.9 kcal/mol
SASA buried
79%
Lipo contact
69% BSA apolar/total
SASA unbound
579 Ų
Apolar buried
317 Ų

Interaction summary

HBD 1 HBA 5 HY 3 PI 2 CLASH 1

HBD/HBA · H-bonds (geometric)

HBD = ligand donates H · HBA = ligand accepts H · ~ = weak (≥110°). Mode: permissive. Residues: 4.

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: permissive.
Name6FXSContacts16
PoseOpen native poseHB0
IFP residues
ARG140 ARG144 ASN106 HIS105 HIS141 ARG46 ASP13 CYS72 GLY73 GLY75 GLY77 HIS14 ILE15 ILE76 SER74 TYR49
Current overlap15Native recall0.94
Jaccard0.83RMSD-
HB strict5Strict recall0.42
HB same residue+role4HB role recall0.40
HB same residue5HB residue recall0.50

Protein summary

302 residues
Protein targetT12Atoms4598
Residues302Chains2
Residue summaryARG:576; ILE:456; VAL:448; GLU:360; ALA:340; LEU:304; TYR:252; HIS:204; PRO:196; THR:196; GLY:182; LYS:176; ASP:168; PHE:160; MET:153; SER:121

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:CSD72

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
575 -0.5432637881270508 -1.14591 -23.2167 0 13 0 0.00 0.00 - no Open
567 2.322521965187432 -1.3616 -27.1738 11 17 15 0.94 0.40 - no Current
582 2.718046502838943 -1.30158 -23.551 4 17 0 0.00 0.00 - no Open
602 2.9961009595015486 -1.12051 -21.5038 8 16 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 -27.174kcal/mol
Ligand efficiency (LE) -1.2940kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.037
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 21HA

Physicochemical properties

Molecular weight 324.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.30
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 11.89kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -70.93kcal/mol
Minimised FF energy -82.82kcal/mol

SASA & burial

✓ computed
SASA (unbound) 579.4Ų
Total solvent-accessible surface area of free ligand
BSA total 457.1Ų
Buried surface area upon binding
BSA apolar 316.6Ų
Hydrophobic contacts buried
BSA polar 140.5Ų
Polar contacts buried
Fraction buried 78.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 69.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2094.2Ų
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 2454.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 772.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)