FAIRMol

OHD_MAC_16

Pose ID 4381 Compound 235 Pose 318

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T07
T. brucei PTR1 T. brucei
Ligand OHD_MAC_16
PDB6RX6

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
89.5 kcal/mol
Protein clashes
3
Internal clashes
4
Native overlap
contact recall 0.79, Jaccard 0.62, H-bond role recall 0.40
Burial
80%
Hydrophobic fit
81%
Reason: strain 89.5 kcal/mol
strain ΔE 89.5 kcal/mol 3 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.622 kcal/mol/HA) ✓ Good fit quality (FQ -6.17) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ Extreme strain energy (89.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-20.516
kcal/mol
LE
-0.622
kcal/mol/HA
Fit Quality
-6.17
FQ (Leeson)
HAC
33
heavy atoms
MW
449
Da
LogP
-0.30
cLogP
Strain ΔE
89.5 kcal/mol
SASA buried
80%
Lipo contact
81% BSA apolar/total
SASA unbound
750 Ų
Apolar buried
488 Ų

Interaction summary

HB 10 HY 24 PI 4 CLASH 4

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

Final rank3.081Score-20.516
Inter norm-1.007Intra norm0.386
Top1000noExcludedno
Contacts20H-bonds10
Artifact reasongeometry warning; 15 clashes; 1 protein clash; 2 cofactor-context clashes; high strain Δ 89.5
Residues
ALA170 ARG14 ASP161 CYS168 GLU217 LEU208 LEU209 LYS220 MET163 MET169 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 SER207 TRP221 TYR174 VAL206

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 poseHB0
IFP residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LYS178 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 SER207 SER95 TRP221 TYR174 TYR98 VAL206
Current overlap15Native recall0.79
Jaccard0.62RMSD-
HB strict1Strict recall0.17
HB same residue+role2HB role recall0.40
HB same residue3HB residue recall0.60

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

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:NAP301

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
427 1.624315035621347 -0.863295 -25.5705 6 18 0 0.00 0.00 - no Open
390 1.745383040081993 -0.824084 -21.6169 6 14 0 0.00 0.00 - no Open
347 2.233351187144614 -0.766228 -21.9396 10 14 0 0.00 0.00 - no Open
409 2.3727684490268013 -0.84998 -23.7773 6 18 0 0.00 0.00 - no Open
318 3.0812631678846136 -1.00748 -20.5158 10 20 15 0.79 0.40 - no Current
463 3.812367176859132 -0.706094 -20.8598 5 17 0 0.00 0.00 - no Open
301 3.8136421060333308 -1.00391 -25.8714 11 20 0 0.00 0.00 - no Open
323 5.093769298391516 -1.0808 -33.5625 15 19 0 0.00 0.00 - no Open
335 5.295788834059684 -1.28243 -31.5208 10 17 11 0.58 0.60 - no Open
319 6.066352190746781 -0.952554 -25.4105 11 20 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 -20.516kcal/mol
Ligand efficiency (LE) -0.6217kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.168
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 449.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.30
Lipinski: ≤ 5
Rotatable bonds 11

Conformational strain (MMFF94s)

Strain energy (ΔE) 89.46kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 203.29kcal/mol
Minimised FF energy 113.83kcal/mol

SASA & burial

✓ computed
SASA (unbound) 749.6Ų
Total solvent-accessible surface area of free ligand
BSA total 601.8Ų
Buried surface area upon binding
BSA apolar 488.3Ų
Hydrophobic contacts buried
BSA polar 113.5Ų
Polar contacts buried
Fraction buried 80.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1701.5Ų
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 2051.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 941.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)