FAIRMol

KB_Leish_41

Pose ID 825 Compound 965 Pose 147

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T02
Human DHFR Human
Ligand KB_Leish_41
PDB5SD8

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
28.4 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.67, Jaccard 0.56, H-bond role recall 0.40
Burial
79%
Hydrophobic fit
86%
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 (-0.949 kcal/mol/HA) ✓ Good fit quality (FQ -9.33) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (79% SASA buried) ✓ Lipophilic contacts well-matched (86%) ✗ High strain energy (28.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-30.354
kcal/mol
LE
-0.949
kcal/mol/HA
Fit Quality
-9.33
FQ (Leeson)
HAC
32
heavy atoms
MW
431
Da
LogP
2.24
cLogP
Strain ΔE
28.4 kcal/mol
SASA buried
79%
Lipo contact
86% BSA apolar/total
SASA unbound
775 Ų
Apolar buried
524 Ų

Interaction summary

HB 6 HY 24 PI 3 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 rank2.798Score-30.354
Inter norm-0.857Intra norm-0.092
Top1000noExcludedno
Contacts18H-bonds6
Artifact reasongeometry warning; 13 clashes; 1 protein clash; 1 cofactor-context clash; moderate strain Δ 28.4
Residues
ALA10 ARG29 ASN65 GLU31 GLY117 ILE8 LEU23 LEU28 NAP201 PHE32 PHE35 PRO27 THR137 THR57 TRP25 TYR122 VAL116 VAL9

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5SD8Contacts21
PoseOpen native poseHB0
IFP residues
ALA10 ASN65 ASP22 GLN36 GLU31 GLY117 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO62 SER60 THR137 THR57 TYR122 VAL116 VAL9
Current overlap14Native recall0.67
Jaccard0.56RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

Protein summary

200 residues
Protein targetT02Atoms3128
Residues200Chains2
Residue summaryLYS:374; LEU:361; GLU:240; VAL:224; ARG:192; PHE:180; ILE:171; PRO:168; ASN:140; SER:132; TYR:126; GLN:119; ASP:108; MET:102; THR:98; GLY:91

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:NAP201

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
139 1.2707803272356184 -0.964933 -23.9292 7 20 0 0.00 0.00 - no Open
118 1.8600146926244991 -0.766088 -21.812 5 21 0 0.00 0.00 - no Open
147 2.7976310824915145 -0.856981 -30.3537 6 18 14 0.67 0.40 - no Current
86 2.9609798228307374 -0.943381 -27.7271 11 17 0 0.00 0.00 - no Open
152 3.122800112303765 -0.633174 -16.016 7 9 0 0.00 0.00 - no Open
130 3.4110680238423696 -0.767516 -23.2371 4 22 0 0.00 0.00 - no Open
118 4.339783269061754 -0.842022 -25.106 5 19 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 -30.354kcal/mol
Ligand efficiency (LE) -0.9486kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.328
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 430.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.24
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 28.37kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 93.92kcal/mol
Minimised FF energy 65.56kcal/mol

SASA & burial

✓ computed
SASA (unbound) 775.2Ų
Total solvent-accessible surface area of free ligand
BSA total 610.0Ų
Buried surface area upon binding
BSA apolar 524.3Ų
Hydrophobic contacts buried
BSA polar 85.7Ų
Polar contacts buried
Fraction buried 78.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 86.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1756.0Ų
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 1677.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 598.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)