FAIRMol

MK16

Pose ID 7014 Compound 365 Pose 240

DB SELECTIONDocking 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 MK16

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 high Native strong SASA done
Strain ΔE
16.7 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.67, Jaccard 0.63, H-bond role recall 0.40
Burial
62%
Hydrophobic fit
81%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.745 kcal/mol/HA) ✓ Good fit quality (FQ -7.11) ✓ Good H-bonds (4 bonds) ✓ Good burial (62% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ Moderate strain (16.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-21.604
kcal/mol
LE
-0.745
kcal/mol/HA
Fit Quality
-7.11
FQ (Leeson)
HAC
29
heavy atoms
MW
397
Da
LogP
3.64
cLogP
Strain ΔE
16.7 kcal/mol
SASA buried
62%
Lipo contact
81% BSA apolar/total
SASA unbound
679 Ų
Apolar buried
342 Ų

Interaction summary

HB 4 HY 21 PI 3 CLASH 2
Final rank2.259Score-21.604
Inter norm-0.832Intra norm0.087
Top1000noExcludedno
Contacts13H-bonds4
Artifact reasongeometry warning; 12 clashes; 1 protein clash
Residues
GLN124 GLN220 GLU192 GLY191 HIS144 HIS222 LEU194 PHE189 PHE190 PHE74 PRO223 VAL188 VAL221

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

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 overlap12Native recall0.67
Jaccard0.63RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.50

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
218 0.8702932048363431 -0.908629 -24.464 4 18 0 0.00 0.00 - no Open
299 2.0379983094372447 -0.947945 -23.6822 3 18 0 0.00 0.00 - no Open
317 2.1527347432726276 -0.941543 -26.1251 3 17 0 0.00 0.00 - no Open
240 2.2587325616107607 -0.832091 -21.6042 4 13 12 0.67 0.40 - no Current
240 3.2818274910563994 -0.786521 -18.603 7 16 0 0.00 0.00 - no Open
177 3.5557639252536166 -1.14994 -28.0313 10 21 0 0.00 0.00 - no Open
260 3.6013232851727364 -0.851461 -20.5074 10 18 0 0.00 0.00 - no Open
220 4.999612194010174 -1.09022 -27.133 11 22 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 -21.604kcal/mol
Ligand efficiency (LE) -0.7450kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.111
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 397.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.64
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 16.70kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 34.05kcal/mol
Minimised FF energy 17.35kcal/mol

SASA & burial

✓ computed
SASA (unbound) 678.7Ų
Total solvent-accessible surface area of free ligand
BSA total 423.1Ų
Buried surface area upon binding
BSA apolar 342.3Ų
Hydrophobic contacts buried
BSA polar 80.9Ų
Polar contacts buried
Fraction buried 62.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 80.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1997.3Ų
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 951.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)