FAIRMol

MK179

Pose ID 14472 Compound 234 Pose 234

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T22
L. donovani rab5a L. donovani
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
51.6 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.81, Jaccard 0.68, H-bond role recall 0.45
Burial
89%
Hydrophobic fit
60%
Reason: strain 51.6 kcal/mol
strain ΔE 51.6 kcal/mol 4 protein-contact clashes 4 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 (-1.152 kcal/mol/HA) ✓ Good fit quality (FQ -11.11) ✓ Strong H-bond network (13 bonds) ✓ Deep burial (89% SASA buried) ✓ Lipophilic contacts well-matched (60%) ✗ Extreme strain energy (51.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-34.547
kcal/mol
LE
-1.152
kcal/mol/HA
Fit Quality
-11.11
FQ (Leeson)
HAC
30
heavy atoms
MW
458
Da
LogP
2.66
cLogP
Strain ΔE
51.6 kcal/mol
SASA buried
89%
Lipo contact
60% BSA apolar/total
SASA unbound
696 Ų
Apolar buried
374 Ų

Interaction summary

HB 13 HY 7 PI 1 CLASH 4 ⚠ Exposure 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

⚠️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 13
Exposed fragments: phenyl (4/6 atoms exposed)phenyl (4/6 atoms exposed)phenyl (3/5 atoms exposed)aliphatic chain/group (2 atoms exposed)
Final rank3.996Score-34.547
Inter norm-1.223Intra norm0.072
Top1000noExcludedno
Contacts21H-bonds13
Artifact reasongeometry warning; 12 clashes; 2 protein clashes; high strain Δ 51.4
Residues
ALA158 ALA40 ASN126 ASN41 ASP129 GLN42 GLU43 GLU73 GLY23 GLY25 GLY71 LEU130 LYS127 LYS159 LYS26 PHE38 SER157 SER27 SER28 THR44 THR69

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
NameRAB5AContacts21
PoseOpen native poseHB0
IFP residues
ALA158 ALA24 ALA40 ASN126 ASN41 ASP129 GLN42 GLU21 GLU73 GLY23 GLY25 LEU130 LEU39 LYS127 LYS159 LYS26 PHE38 SER157 SER22 SER27 SER28
Current overlap17Native recall0.81
Jaccard0.68RMSD-
HB strict6Strict recall0.40
HB same residue+role5HB role recall0.45
HB same residue5HB residue recall0.45

Protein summary

165 residues
Protein targetT22Atoms2561
Residues165Chains1
Residue summaryLEU:363; LYS:242; ALA:231; ARG:214; ILE:190; GLU:180; VAL:144; SER:143; PHE:140; ASN:112; THR:112; TYR:105; GLN:102; ASP:96; GLY:77; TRP:48

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 1 0.05 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 0 0.00 0.00 - no Open
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 0 0.00 0.00 - no Open
234 3.995775267533372 -1.22318 -34.5475 13 21 17 0.81 0.45 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -34.547kcal/mol
Ligand efficiency (LE) -1.1516kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.109
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) 51.59kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 108.52kcal/mol
Minimised FF energy 56.93kcal/mol

SASA & burial

✓ computed
SASA (unbound) 696.3Ų
Total solvent-accessible surface area of free ligand
BSA total 619.3Ų
Buried surface area upon binding
BSA apolar 373.6Ų
Hydrophobic contacts buried
BSA polar 245.7Ų
Polar contacts buried
Fraction buried 88.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 60.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1313.1Ų
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 1368.5Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 501.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)