FAIRMol

MK179

Pose ID 6302 Compound 234 Pose 206

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T10
L. infantum R5P L. infantum
Ligand MK179

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
35.0 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.82, Jaccard 0.82, H-bond role recall 0.55
Burial
65%
Hydrophobic fit
51%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes 55% of hydrophobic surface appears solvent-exposed (11/20 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.609 kcal/mol/HA) ✓ Good fit quality (FQ -5.87) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (65% SASA buried) ✗ Very high strain energy (35.0 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (9) ✗ Many internal clashes (10)
Score
-18.262
kcal/mol
LE
-0.609
kcal/mol/HA
Fit Quality
-5.87
FQ (Leeson)
HAC
30
heavy atoms
MW
458
Da
LogP
2.66
cLogP
Strain ΔE
35.0 kcal/mol
SASA buried
65%
Lipo contact
51% BSA apolar/total
SASA unbound
669 Ų
Apolar buried
224 Ų

Interaction summary

HB 8 HY 10 PI 2 CLASH 5 ⚠ Exposure 55%
⚠️Partial hydrophobic solvent exposure
55% of hydrophobic surface appears solvent-exposed (11/20 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 20 Buried (contacted) 9 Exposed 11 LogP 2.66 H-bonds 8
Exposed fragments: phenyl (4/6 atoms exposed)phenyl (4/6 atoms exposed)phenyl (3/5 atoms exposed)aliphatic chain/group (2 atoms exposed)
Final rank1.864Score-18.262
Inter norm-0.798Intra norm0.189
Top1000noExcludedno
Contacts14H-bonds8
Artifact reasongeometry warning; 10 clashes; 9 protein contact clashes; high strain Δ 33.7
Residues
ARG116 ARG140 ARG144 ASN106 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 ILE76 LEU101 THR74 TYR49

Protein summary

155 residues
Protein targetT10Atoms4590
Residues155Chains1
Residue summaryILE:494; ARG:384; ALA:360; VAL:352; LEU:304; GLU:300; THR:280; MET:272; LYS:220; ASP:216; TYR:210; HIS:204; GLY:182; SER:176; GLN:170; ASN:140

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name6FXWContacts17
PoseOpen native poseHB0
IFP residues
ALA15 ARG116 ARG140 ARG144 ASN106 ASP13 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 ILE76 LEU101 THR74 TYR49
Current overlap14Native recall0.82
Jaccard0.82RMSD-
HB strict6Strict recall0.46
HB same residue+role6HB role recall0.55
HB same residue6HB residue recall0.55

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
258 0.25042243857344604 -1.14891 -31.0205 5 13 0 0.00 0.00 - no Open
264 1.0927050169268024 -1.00795 -24.7925 4 14 0 0.00 0.00 - no Open
235 1.1073660704846975 -0.900181 -23.0605 5 17 0 0.00 0.00 - no Open
257 1.107384658545134 -0.819468 -19.7407 2 17 0 0.00 0.00 - no Open
313 1.3452488083914984 -0.690473 -17.5537 4 16 0 0.00 0.00 - no Open
252 1.4292786430260862 -0.917081 -25.3234 6 21 0 0.00 0.00 - no Open
330 1.622607140224942 -0.920565 -25.7973 2 18 0 0.00 0.00 - no Open
281 1.8373311043657956 -0.808595 -21.8267 3 15 0 0.00 0.00 - no Open
206 1.8644199550012546 -0.798056 -18.2624 8 14 14 0.82 0.55 - no Current
361 2.311042942916434 -0.848092 -25.1719 4 12 0 0.00 0.00 - no Open
261 2.5727308749693383 -0.803338 -20.2039 2 12 0 0.00 0.00 - no Open
224 2.7169060620044525 -1.02158 -27.5832 9 18 5 0.29 0.18 - no Open
234 3.995775267533372 -1.22318 -34.5475 13 21 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 -18.262kcal/mol
Ligand efficiency (LE) -0.6087kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.872
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 457.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.66
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 35.00kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 83.64kcal/mol
Minimised FF energy 48.64kcal/mol

SASA & burial

✓ computed
SASA (unbound) 669.3Ų
Total solvent-accessible surface area of free ligand
BSA total 435.4Ų
Buried surface area upon binding
BSA apolar 223.6Ų
Hydrophobic contacts buried
BSA polar 211.8Ų
Polar contacts buried
Fraction buried 65.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 51.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2206.3Ų
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 2417.4Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 653.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)