FAIRMol

OHD_MAC_67

Pose ID 5109 Compound 511 Pose 368

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T08
T. brucei PTR1 T. brucei
Ligand OHD_MAC_67
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
46.6 kcal/mol
Protein clashes
5
Internal clashes
7
Native overlap
contact recall 0.53, Jaccard 0.37, H-bond role recall 0.80
Burial
87%
Hydrophobic fit
84%
Reason: 7 internal clashes, strain 46.6 kcal/mol
strain ΔE 46.6 kcal/mol 5 protein-contact clashes 7 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.044 kcal/mol/HA) ✓ Good fit quality (FQ -10.36) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (87% SASA buried) ✓ Lipophilic contacts well-matched (84%) ✗ Extreme strain energy (46.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-34.463
kcal/mol
LE
-1.044
kcal/mol/HA
Fit Quality
-10.36
FQ (Leeson)
HAC
33
heavy atoms
MW
478
Da
LogP
1.61
cLogP
Strain ΔE
46.6 kcal/mol
SASA buried
87%
Lipo contact
84% BSA apolar/total
SASA unbound
725 Ų
Apolar buried
530 Ų

Interaction summary

HB 10 HY 24 PI 2 CLASH 7

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 rank3.959Score-34.463
Inter norm-1.197Intra norm0.153
Top1000noExcludedno
Contacts18H-bonds10
Artifact reasongeometry warning; 15 clashes; 2 protein clashes; 3 cofactor-context clashes; high strain Δ 46.6
Residues
ARG14 ASN175 ASP161 ASP165 CYS168 GLN166 LEU208 LEU209 LYS13 MET163 NAP301 PHE171 PHE97 PRO167 PRO210 TYR174 VAL164 VAL211

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 overlap10Native recall0.53
Jaccard0.37RMSD-
HB strict5Strict recall0.83
HB same residue+role4HB role recall0.80
HB same residue4HB residue recall0.80

Protein summary

258 residues
Protein targetT08Atoms3881
Residues258Chains2
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
331 1.7902700583309057 -0.915236 -24.1392 6 17 14 0.74 0.20 - no Open
451 2.876644440223795 -0.83621 -21.5131 4 19 0 0.00 0.00 - no Open
454 3.68647256374911 -0.738459 -19.964 2 16 0 0.00 0.00 - no Open
351 3.872969880470129 -0.923897 -27.655 9 15 0 0.00 0.00 - no Open
368 3.959392997784092 -1.19748 -34.4628 10 18 10 0.53 0.80 - no Current
323 3.962161196702303 -0.853485 -19.9813 11 18 0 0.00 0.00 - no Open
419 4.044111887372217 -0.685336 -18.0096 10 18 0 0.00 0.00 - no Open
346 4.164560827014589 -1.06742 -25.3382 10 16 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 -34.463kcal/mol
Ligand efficiency (LE) -1.0443kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.362
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 477.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.61
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 46.57kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 175.35kcal/mol
Minimised FF energy 128.78kcal/mol

SASA & burial

✓ computed
SASA (unbound) 724.9Ų
Total solvent-accessible surface area of free ligand
BSA total 633.5Ų
Buried surface area upon binding
BSA apolar 530.4Ų
Hydrophobic contacts buried
BSA polar 103.1Ų
Polar contacts buried
Fraction buried 87.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 83.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1665.3Ų
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 994.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)