FAIRMol

KB_Leish_105

Pose ID 3512 Compound 2374 Pose 126

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 KB_Leish_105
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
30.0 kcal/mol
Protein clashes
7
Internal clashes
7
Native overlap
contact recall 0.81, Jaccard 0.74, H-bond role recall 0.25
Burial
95%
Hydrophobic fit
75%
Reason: 7 internal clashes
7 protein-contact clashes 7 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.683 kcal/mol/HA) ✓ Good fit quality (FQ -6.52) ✓ Deep burial (95% SASA buried) ✓ Lipophilic contacts well-matched (75%) ✗ High strain energy (30.0 kcal/mol) ✗ No H-bonds detected ✗ Geometry warnings ✗ Protein-contact clashes (7) ✗ Internal clashes (7)
Score
-19.794
kcal/mol
LE
-0.683
kcal/mol/HA
Fit Quality
-6.52
FQ (Leeson)
HAC
29
heavy atoms
MW
428
Da
LogP
4.13
cLogP
Final rank
1.1865
rank score
Inter norm
-0.779
normalised
Contacts
19
H-bonds 3
Strain ΔE
30.0 kcal/mol
SASA buried
95%
Lipo contact
75% BSA apolar/total
SASA unbound
672 Ų
Apolar buried
477 Ų

Interaction summary

HB 0 HY 10 PI 4 CLASH 7

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 overlap17Native recall0.81
Jaccard0.74RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.25
HB same residue2HB residue recall0.50

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
499 0.28188258935004173 -0.856669 -20.9847 2 20 17 0.81 0.25 - no Open
126 1.1865445839651154 -0.779382 -19.7942 3 19 17 0.81 0.25 - no Current
512 1.2366826255586705 -0.874831 -22.5239 5 16 0 0.00 0.00 - no Open
78 3.5670654843548903 -0.88238 -25.2748 10 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 -19.794kcal/mol
Ligand efficiency (LE) -0.6826kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.516
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 427.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.13
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 29.99kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 75.71kcal/mol
Minimised FF energy 45.72kcal/mol

SASA & burial

✓ computed
SASA (unbound) 671.5Ų
Total solvent-accessible surface area of free ligand
BSA total 639.7Ų
Buried surface area upon binding
BSA apolar 477.2Ų
Hydrophobic contacts buried
BSA polar 162.5Ų
Polar contacts buried
Fraction buried 95.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 74.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1735.3Ų
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 574.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)