FAIRMol

Z30258186

Pose ID 3954 Compound 2475 Pose 568

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T06
T. brucei DHFR T. brucei
Ligand Z30258186
PDB8RHT

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
19.2 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.76, Jaccard 0.70, H-bond role recall 0.00
Burial
93%
Hydrophobic fit
86%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
EcoTox / ADMET In-silico prediction only
Fish LC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Daphnia EC₅₀
Cat. 2 — Toxic (1–10 mg/L)
Algae IC₅₀
Cat. 2 — Toxic (1–10 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 (-0.781 kcal/mol/HA) ✓ Good fit quality (FQ -7.46) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (86%) ✗ Moderate strain (19.2 kcal/mol) ✗ No H-bonds detected ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Many internal clashes (10)
Score
-22.655
kcal/mol
LE
-0.781
kcal/mol/HA
Fit Quality
-7.46
FQ (Leeson)
HAC
29
heavy atoms
MW
413
Da
LogP
4.14
cLogP
Final rank
0.9743
rank score
Inter norm
-0.877
normalised
Contacts
18
H-bonds 1
Strain ΔE
19.2 kcal/mol
SASA buried
93%
Lipo contact
86% BSA apolar/total
SASA unbound
703 Ų
Apolar buried
562 Ų

Interaction summary

HB 0 HY 11 PI 3 CLASH 3

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: permissive.
Name8RHTContacts21
PoseOpen native poseHB0
IFP residues
ALA34 ASP54 HIS182 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE233 PHE58 PHE94 PRO91 SER89 THR184 THR86 TRP49 TYR166 TYR57 VAL32 VAL33
Current overlap16Native recall0.76
Jaccard0.70RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

Protein summary

223 residues
Protein targetT06Atoms3452
Residues223Chains1
Residue summaryARG:408; VAL:352; LYS:308; LEU:304; PRO:238; ILE:209; GLU:195; THR:182; SER:176; ALA:160; PHE:140; ASN:126; GLY:126; ASP:108; GLN:85; NDP:74

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:NDP301

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
568 0.9742998659699407 -0.876678 -22.6553 1 18 16 0.76 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 -22.655kcal/mol
Ligand efficiency (LE) -0.7812kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.457
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 412.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.14
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 19.23kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -2.21kcal/mol
Minimised FF energy -21.43kcal/mol

SASA & burial

✓ computed
SASA (unbound) 702.5Ų
Total solvent-accessible surface area of free ligand
BSA total 655.1Ų
Buried surface area upon binding
BSA apolar 561.6Ų
Hydrophobic contacts buried
BSA polar 93.5Ų
Polar contacts buried
Fraction buried 93.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 85.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1840.4Ų
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 1808.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 576.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)