FAIRMol

MK218

Pose ID 2959 Compound 2169 Pose 249

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 MK218
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 high Native strong SASA done
Strain ΔE
19.0 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.71, Jaccard 0.67, H-bond role recall 0.17
Burial
72%
Hydrophobic fit
76%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.809 kcal/mol/HA) ✓ Good fit quality (FQ -7.88) ✓ Good H-bonds (5 bonds) ✓ Deep burial (72% SASA buried) ✓ Lipophilic contacts well-matched (76%) ✗ Moderate strain (19.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-25.076
kcal/mol
LE
-0.809
kcal/mol/HA
Fit Quality
-7.88
FQ (Leeson)
HAC
31
heavy atoms
MW
424
Da
LogP
3.89
cLogP
Strain ΔE
19.0 kcal/mol
SASA buried
72%
Lipo contact
76% BSA apolar/total
SASA unbound
687 Ų
Apolar buried
374 Ų

Interaction summary

HB 5 HY 22 PI 3 CLASH 1
Final rank2.403Score-25.076
Inter norm-0.909Intra norm0.100
Top1000noExcludedno
Contacts13H-bonds5
Artifact reasongeometry warning; 13 clashes; 1 protein clash; 1 cofactor-context clash
Residues
ARG17 HIS241 LEU188 LEU229 MET233 NDP302 PHE113 PRO115 SER111 TYR114 TYR191 TYR194 VAL230

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 overlap12Native recall0.71
Jaccard0.67RMSD-
HB strict1Strict recall0.14
HB same residue+role1HB role recall0.17
HB same residue2HB residue recall0.40

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
259 2.186616249521787 -0.767138 -19.682 6 18 0 0.00 0.00 - no Open
249 2.4030765412283297 -0.909145 -25.0763 5 13 12 0.71 0.17 - no Current
269 2.6372940514961205 -1.01685 -23.5396 9 22 0 0.00 0.00 - no Open
312 3.2393473524780756 -0.83684 -17.5204 10 15 0 0.00 0.00 - no Open
288 3.272332131596446 -0.77267 -17.6481 3 14 0 0.00 0.00 - no Open
312 3.6488397918246784 -0.752019 -16.7004 7 19 0 0.00 0.00 - no Open
266 3.7498473298653865 -0.798347 -21.5987 5 15 0 0.00 0.00 - no Open
288 4.113009301054676 -0.859307 -18.827 12 15 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 -25.076kcal/mol
Ligand efficiency (LE) -0.8089kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.881
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 423.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.89
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 18.98kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 54.68kcal/mol
Minimised FF energy 35.70kcal/mol

SASA & burial

✓ computed
SASA (unbound) 687.4Ų
Total solvent-accessible surface area of free ligand
BSA total 492.5Ų
Buried surface area upon binding
BSA apolar 373.8Ų
Hydrophobic contacts buried
BSA polar 118.7Ų
Polar contacts buried
Fraction buried 71.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 75.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1704.8Ų
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 1038.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)