FAIRMol

MK220

Pose ID 11210 Compound 1452 Pose 772

DB Docking_panel_21Docking pose analysis is being read from this database.
Molecular metrics status: done
Cached molecular metrics are available for this pose.
Metrics cached · SASA missing

py3Dmol interaction viewer

Left: interactive complex viewer. Right: clickable PLIP-like interaction summary. Clicking an interaction thickens and highlights it in the 3D view.
Strict H-bonds Permissive H-bonds
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.868 kcal/mol/HA) ✓ Good fit quality (FQ -8.54) ✓ Strong H-bond network (8 bonds) ✗ Very high strain energy (20.9 kcal/mol) ✗ Geometry warnings ℹ SASA not computed
Score
-27.787
kcal/mol
LE
-0.868
kcal/mol/HA
Fit Quality
-8.54
FQ (Leeson)
HAC
32
heavy atoms
MW
438
Da
LogP
4.28
cLogP
Strain ΔE
20.9 kcal/mol
SASA buried
computing…
Overall: Promising but geometrically suspicious
Binding evidence: strong
Native-like contacts: strong
Ligand efficiency: excellent
Geometry reliability: low
Reason: geometry warning, clashes, strain 20.9 kcal/mol

Interaction summary

Collapsible panels
H-bonds 8 Hydrophobic 24 π–π 4 Clashes 12 Severe clashes 2
Final rank8.7895752217787Score-27.7872
Inter norm-0.984394Intra norm0.116045
Top1000noExcludedyes
Contacts15H-bonds8
Artifact reasonexcluded; geometry warning; 13 clashes; 2 protein clashes; high strain Δ 27.6
ResiduesA:ALA170;A:ARG14;A:CYS168;A:LEU208;A:LEU209;A:LYS220;A:MET169;A:MET213;A:NAP301;A:PHE171;A:PHE97;A:PRO210;A:PRO99;A:SER95;A:TRP221

Protein summary

275 residues
Protein targetT07Atoms3932
Residues275Chains3
Residue summaryLEU:437; VAL:433; ALA:361; ARG:288; ILE:266; GLU:210; LYS:198; SER:198; ASN:182; THR:154; GLN:153; PHE:140; PRO:140; TYR:126; GLY:112; HIS:103

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
NameTbPTR1_cW_6RX6_ReadyContacts19
PoseOpen native poseH-bonds6
IFP residuesA:ARG14; A:ASP161; A:CYS168; A:GLY205; A:LEU208; A:LEU209; A:LYS178; A:MET213; A:NAP301; A:PHE171; A:PHE97; A:PRO210; A:PRO99; A:SER207; A:SER95; A:TRP221; A:TYR174; A:TYR98; A:VAL206
Current overlap12Native recall0.63
Jaccard0.55RMSD-
H-bond strict3Strict recall0.50
H-bond same residue+role2Role recall0.40
H-bond same residue2Residue recall0.40

Hydrogen bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

π–π interactions

Native π–π recall is disabled because no explicit native π–π reference was stored.

Hydrophobic contacts

Clashes

All stored poses for this docking hit

PoseFinal rankInter normScoreHBContactsNative overlapNative recallHB role recallRMSDExcluded
773 4.834808373281738 -0.990165 -27.1203 8 12 11 0.58 0.40 - no Open
1026 5.432992819493173 -0.66942 -17.9286 3 14 0 0.00 0.00 - no Open
2953 6.131552206010669 -0.708216 -17.3316 8 16 0 0.00 0.00 - no Open
2952 7.303823141522757 -0.716261 -19.4033 6 14 0 0.00 0.00 - yes Open
1025 8.74467913789736 -0.718123 -19.1021 6 14 0 0.00 0.00 - yes Open
772 8.7895752217787 -0.984394 -27.7872 8 15 12 0.63 0.40 - yes Current

Molecular metrics

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

Scoring & efficiency

Docking score -27.787kcal/mol
Ligand efficiency (LE) -0.8683kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.539
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 437.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.28
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 20.89kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 53.75kcal/mol
Minimised FF energy 32.86kcal/mol

SASA & burial (FreeSASA)

not yet run
SASA has not been computed yet for this pose. Queue a background recompute to populate FreeSASA burial metrics without blocking the page.