FAIRMol

MK47

Pose ID 7020 Compound 801 Pose 246

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T11
L. infantum SIR2 L. infantum
Ligand MK47

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
24.7 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.72, Jaccard 0.68, H-bond role recall 0.40
Burial
76%
Hydrophobic fit
68%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.890 kcal/mol/HA) ✓ Good fit quality (FQ -7.98) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (76% SASA buried) ✓ Lipophilic contacts well-matched (68%) ✗ High strain energy (24.7 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-21.366
kcal/mol
LE
-0.890
kcal/mol/HA
Fit Quality
-7.98
FQ (Leeson)
HAC
24
heavy atoms
MW
367
Da
LogP
3.19
cLogP
Strain ΔE
24.7 kcal/mol
SASA buried
76%
Lipo contact
68% BSA apolar/total
SASA unbound
625 Ų
Apolar buried
324 Ų

Interaction summary

HB 6 HY 24 PI 3 CLASH 3

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 rank2.542Score-21.366
Inter norm-1.092Intra norm0.202
Top1000noExcludedno
Contacts14H-bonds6
Artifact reasongeometry warning; 6 clashes; 1 protein clash; moderate strain Δ 24.7
Residues
GLN124 GLN220 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 PHE189 PHE190 PHE74 VAL187 VAL188 VAL221

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5OL0Contacts18
PoseOpen native poseHB0
IFP residues
ASN193 GLN220 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 LEU226 PHE189 PHE190 PHE199 PHE74 PRO223 THR71 VAL187 VAL188 VAL221
Current overlap13Native recall0.72
Jaccard0.68RMSD-
HB strict1Strict recall0.20
HB same residue+role2HB role recall0.40
HB same residue3HB residue recall0.75

Protein summary

287 residues
Protein targetT11Atoms4391
Residues287Chains1
Residue summaryLEU:627; ARG:432; VAL:384; GLU:316; PHE:300; ILE:285; ALA:260; PRO:238; HIS:187; ASP:157; LYS:154; SER:154; THR:154; GLY:147; ASN:140; TYR:126

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
250 0.33124369498846573 -1.29643 -23.0727 5 18 0 0.00 0.00 - no Open
306 1.4980844275439626 -1.16076 -23.1033 5 15 0 0.00 0.00 - no Open
302 2.3012365417379717 -1.12079 -20.9957 6 10 0 0.00 0.00 - no Open
220 2.4491462354209257 -1.17492 -27.4486 11 14 0 0.00 0.00 - no Open
246 2.5415044901747534 -1.09194 -21.3662 6 14 13 0.72 0.40 - no Current
304 3.2694936552292573 -0.787157 -13.9191 10 13 0 0.00 0.00 - no Open
223 6.3559024232398045 -1.30285 -23.833 16 18 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 -21.366kcal/mol
Ligand efficiency (LE) -0.8903kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.978
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 366.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.19
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.72kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 26.34kcal/mol
Minimised FF energy 1.62kcal/mol

SASA & burial

✓ computed
SASA (unbound) 624.9Ų
Total solvent-accessible surface area of free ligand
BSA total 477.1Ų
Buried surface area upon binding
BSA apolar 323.5Ų
Hydrophobic contacts buried
BSA polar 153.7Ų
Polar contacts buried
Fraction buried 76.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 67.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1824.3Ų
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 2380.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 960.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)