FAIRMol

MK156

Pose ID 2955 Compound 1078 Pose 245

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T05
L. major PTR1 L. major
Ligand MK156
PDB7PXX

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
13.9 kcal/mol
Protein clashes
3
Internal clashes
4
Native overlap
contact recall 0.53, Jaccard 0.45, H-bond role recall 0.50
Burial
84%
Hydrophobic fit
73%
Reason: no major geometry red flags detected
3 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.273 kcal/mol/HA) ✓ Good fit quality (FQ -11.73) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (73%) ✗ Moderate strain (13.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-33.093
kcal/mol
LE
-1.273
kcal/mol/HA
Fit Quality
-11.73
FQ (Leeson)
HAC
26
heavy atoms
MW
367
Da
LogP
2.95
cLogP
Strain ΔE
13.9 kcal/mol
SASA buried
84%
Lipo contact
73% BSA apolar/total
SASA unbound
599 Ų
Apolar buried
371 Ų

Interaction summary

HB 10 HY 14 PI 2 CLASH 4
Final rank2.647Score-33.093
Inter norm-1.261Intra norm-0.012
Top1000noExcludedno
Contacts12H-bonds10
Artifact reasongeometry warning; 13 clashes; 1 protein clash; 1 severe cofactor-context clash
Residues
ARG17 ASP181 GLY225 LEU188 LEU226 LYS16 MET183 NDP302 PHE113 TYR194 VAL230 ARG287

Protein summary

274 residues
Protein targetT05Atoms4108
Residues274Chains2
Residue summaryLEU:494; ALA:421; ARG:384; VAL:368; THR:295; TYR:231; SER:198; PRO:196; ILE:190; LYS:176; ASN:154; GLU:150; GLY:126; PHE:120; HIS:119; ASP:108

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:NDP302

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
NameligandContacts17
PoseOpen native poseHB0
IFP residues
ARG17 GLY225 HIS241 LEU188 LEU226 LEU229 LYS198 MET233 NDP302 PHE113 PRO115 SER111 SER227 TYR191 TYR194 VAL230 ARG287
Current overlap9Native recall0.53
Jaccard0.45RMSD-
HB strict3Strict recall0.43
HB same residue+role3HB role recall0.50
HB same residue3HB residue recall0.60

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
313 0.8712913457919358 -1.07999 -25.8552 3 16 0 0.00 0.00 - no Open
259 1.0887783330232708 -1.16095 -30.3355 8 18 0 0.00 0.00 - no Open
310 1.5345591015763724 -0.726221 -16.5713 4 10 0 0.00 0.00 - no Open
229 2.0704697110349266 -0.998736 -19.793 2 14 0 0.00 0.00 - no Open
256 2.3416472278121194 -1.03745 -25.3269 2 11 10 0.59 0.17 - no Open
245 2.6468222692756207 -1.26083 -33.0935 10 12 9 0.53 0.50 - no Current
191 3.0336689687352054 -1.09429 -28.6535 9 15 0 0.00 0.00 - no Open
277 3.806776809599375 -0.815034 -16.965 6 13 0 0.00 0.00 - no Open
214 3.8581501940359018 -1.22756 -28.0706 10 18 0 0.00 0.00 - no Open
297 3.8864053339831193 -0.911524 -23.3962 3 13 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 -33.093kcal/mol
Ligand efficiency (LE) -1.2728kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.727
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 367.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.95
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 13.90kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -70.08kcal/mol
Minimised FF energy -83.98kcal/mol

SASA & burial

✓ computed
SASA (unbound) 598.6Ų
Total solvent-accessible surface area of free ligand
BSA total 505.9Ų
Buried surface area upon binding
BSA apolar 371.0Ų
Hydrophobic contacts buried
BSA polar 134.9Ų
Polar contacts buried
Fraction buried 84.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 73.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1580.6Ų
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 2179.4Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1045.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)