FAIRMol

OHD_Leishmania_134

Pose ID 4760 Compound 483 Pose 19

DB SELECTIONDocking 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_Leishmania_134
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
44.3 kcal/mol
Protein clashes
2
Internal clashes
3
Native overlap
contact recall 0.84, Jaccard 0.70, H-bond role recall 0.80
Burial
87%
Hydrophobic fit
83%
Reason: strain 44.3 kcal/mol
strain ΔE 44.3 kcal/mol 2 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.343 kcal/mol/HA) ✓ Good fit quality (FQ -13.54) ✓ Strong H-bond network (12 bonds) ✓ Deep burial (87% SASA buried) ✓ Lipophilic contacts well-matched (83%) ✗ Extreme strain energy (44.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-46.987
kcal/mol
LE
-1.343
kcal/mol/HA
Fit Quality
-13.54
FQ (Leeson)
HAC
35
heavy atoms
MW
481
Da
LogP
-0.59
cLogP
Strain ΔE
44.3 kcal/mol
SASA buried
87%
Lipo contact
83% BSA apolar/total
SASA unbound
763 Ų
Apolar buried
548 Ų

Interaction summary

HB 12 HY 24 PI 3 CLASH 3
Final rank2.601Score-46.987
Inter norm-1.267Intra norm-0.075
Top1000noExcludedno
Contacts20H-bonds12
Artifact reasongeometry warning; 15 clashes; 1 protein clash; 3 cofactor-context clashes; high strain Δ 44.3
Residues
ALA170 ARG14 ASP161 CYS168 GLU217 GLY205 LEU208 LEU209 LYS178 LYS220 MET169 MET213 NAP301 PHE171 PHE97 PRO210 SER95 TRP221 TYR174 VAL206

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

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 overlap16Native recall0.84
Jaccard0.70RMSD-
HB strict5Strict recall0.83
HB same residue+role4HB role recall0.80
HB same residue4HB residue recall0.80

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
13 2.106954150751916 -0.566535 -19.9968 7 13 0 0.00 0.00 - no Open
19 2.6005507690572345 -1.26741 -46.9874 12 20 16 0.84 0.80 - no Current
17 2.7678789075782624 -0.840735 -30.2159 10 20 0 0.00 0.00 - no Open
13 3.4256406135165247 -0.768227 -26.192 9 21 0 0.00 0.00 - no Open
10 5.2299146119473345 -0.789949 -24.9285 10 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 -46.987kcal/mol
Ligand efficiency (LE) -1.3425kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -13.541
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 35HA

Physicochemical properties

Molecular weight 480.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.59
Lipinski: ≤ 5
Rotatable bonds 12

Conformational strain (MMFF94s)

Strain energy (ΔE) 44.31kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 63.53kcal/mol
Minimised FF energy 19.22kcal/mol

SASA & burial

✓ computed
SASA (unbound) 763.1Ų
Total solvent-accessible surface area of free ligand
BSA total 661.1Ų
Buried surface area upon binding
BSA apolar 548.3Ų
Hydrophobic contacts buried
BSA polar 112.8Ų
Polar contacts buried
Fraction buried 86.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1771.1Ų
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 910.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)