FAIRMol

MK179

Pose ID 8329 Compound 767 Pose 199

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T13
T. brucei ODC (Active site) T. brucei Active site
Ligand MK179
PDB1F3T

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
33.0 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.74, Jaccard 0.64, H-bond role recall 0.57
Burial
75%
Hydrophobic fit
63%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.999 kcal/mol/HA) ✓ Good fit quality (FQ -9.63) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (75% SASA buried) ✓ Lipophilic contacts well-matched (63%) ✗ Very high strain energy (33.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-29.954
kcal/mol
LE
-0.999
kcal/mol/HA
Fit Quality
-9.63
FQ (Leeson)
HAC
30
heavy atoms
MW
457
Da
LogP
4.07
cLogP
Strain ΔE
33.0 kcal/mol
SASA buried
75%
Lipo contact
63% BSA apolar/total
SASA unbound
695 Ų
Apolar buried
328 Ų

Interaction summary

HB 8 HY 16 PI 3 CLASH 3
Final rank4.964Score-29.954
Inter norm-0.941Intra norm-0.058
Top1000noExcludedno
Contacts17H-bonds8
Artifact reasongeometry warning; 12 clashes; 3 protein clashes; high strain Δ 32.9
Residues
ALA67 ARG277 ASP332 GLU274 GLY199 GLY236 GLY237 GLY276 GLY393 HIS197 LYS69 PRO275 SER200 TYR278 TYR331 TYR389 VAL392

Protein summary

411 residues
Protein targetT13Atoms6340
Residues411Chains1
Residue summaryVAL:624; LEU:551; LYS:506; ARG:480; PHE:460; ILE:418; ASP:348; GLU:332; THR:322; TYR:315; PRO:308; ALA:290; SER:264; GLY:224; ASN:210; GLN:170

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name1F3TContacts19
PoseOpen native poseHB0
IFP residues
ALA111 ALA67 ARG154 ARG277 ASP332 ASP88 CYS70 GLU274 GLY236 GLY237 GLY276 HIS197 LYS69 PHE238 PRO275 SER200 TYR278 TYR331 TYR389
Current overlap14Native recall0.74
Jaccard0.64RMSD-
HB strict5Strict recall0.56
HB same residue+role4HB role recall0.57
HB same residue4HB residue recall0.57

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
317 1.2591950220038957 -0.929606 -25.0038 5 18 0 0.00 0.00 - no Open
303 1.4349598201931029 -0.831348 -17.8132 3 12 0 0.00 0.00 - no Open
318 1.4799198755601055 -0.914004 -26.8537 3 19 0 0.00 0.00 - no Open
279 2.1393849350164285 -0.81219 -23.0963 10 16 0 0.00 0.00 - no Open
386 2.9618795076248428 -0.838018 -21.3376 5 15 0 0.00 0.00 - no Open
199 4.964385884425539 -0.94066 -29.9543 8 17 14 0.74 0.57 - 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 -29.954kcal/mol
Ligand efficiency (LE) -0.9985kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.632
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 456.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.07
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 33.04kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 143.15kcal/mol
Minimised FF energy 110.11kcal/mol

SASA & burial

✓ computed
SASA (unbound) 694.5Ų
Total solvent-accessible surface area of free ligand
BSA total 519.8Ų
Buried surface area upon binding
BSA apolar 328.1Ų
Hydrophobic contacts buried
BSA polar 191.7Ų
Polar contacts buried
Fraction buried 74.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 63.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2511.2Ų
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 3461.2Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1404.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)