FAIRMol

OHD_Leishmania_133

Pose ID 4078 Compound 348 Pose 15

DB SELECTIONDocking 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_Leishmania_133
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
53.5 kcal/mol
Protein clashes
0
Internal clashes
14
Native overlap
contact recall 0.74, Jaccard 0.61, H-bond role recall 0.80
Burial
80%
Hydrophobic fit
78%
Reason: 14 internal clashes, strain 53.5 kcal/mol
strain ΔE 53.5 kcal/mol 14 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.229 kcal/mol/HA) ✓ Good fit quality (FQ -12.49) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (78%) ✗ Extreme strain energy (53.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-44.249
kcal/mol
LE
-1.229
kcal/mol/HA
Fit Quality
-12.49
FQ (Leeson)
HAC
36
heavy atoms
MW
495
Da
LogP
-0.34
cLogP
Strain ΔE
53.5 kcal/mol
SASA buried
80%
Lipo contact
78% BSA apolar/total
SASA unbound
768 Ų
Apolar buried
477 Ų

Interaction summary

HB 10 HY 24 PI 3 CLASH 0

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

No clash · clashes detected for this pose.
Final rank2.840Score-44.249
Inter norm-1.145Intra norm-0.084
Top1000noExcludedno
Contacts18H-bonds10
Artifact reasongeometry warning; 14 clashes; 2 protein clashes; 1 severe cofactor-context clash; high strain Δ 52.7
Residues
ALA212 ALA96 ARG14 ASP161 CYS168 GLU217 GLY214 LEU208 LEU209 MET213 NAP301 PHE171 PHE97 PRO210 SER95 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 overlap14Native recall0.74
Jaccard0.61RMSD-
HB strict5Strict recall0.83
HB same residue+role4HB role recall0.80
HB same residue4HB residue recall0.80

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
12 1.6392561257972764 -0.859726 -29.8169 8 14 0 0.00 0.00 - no Open
16 2.1036393104027136 -0.742975 -28.9035 8 20 0 0.00 0.00 - no Open
11 2.65940477669851 -0.731382 -24.0508 5 20 0 0.00 0.00 - no Open
15 2.8400958184167666 -1.1447 -44.2495 10 18 14 0.74 0.80 - no Current
12 3.0099859272417073 -0.747145 -28.4943 8 14 0 0.00 0.00 - no Open
12 3.0166469621949865 -0.589367 -22.6096 8 12 0 0.00 0.00 - no Open
18 3.0486529189517513 -1.11879 -40.6803 12 21 16 0.84 0.80 - no Open
5 3.229919745111221 -0.668992 -23.7798 9 19 0 0.00 0.00 - no Open
15 3.8936404298502363 -0.991486 -37.2759 15 23 0 0.00 0.00 - no Open
12 4.894897117783592 -0.855 -26.3168 8 23 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 -44.249kcal/mol
Ligand efficiency (LE) -1.2292kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.493
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 36HA

Physicochemical properties

Molecular weight 494.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.34
Lipinski: ≤ 5
Rotatable bonds 12

Conformational strain (MMFF94s)

Strain energy (ΔE) 53.53kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 34.05kcal/mol
Minimised FF energy -19.48kcal/mol

SASA & burial

✓ computed
SASA (unbound) 768.2Ų
Total solvent-accessible surface area of free ligand
BSA total 612.3Ų
Buried surface area upon binding
BSA apolar 476.6Ų
Hydrophobic contacts buried
BSA polar 135.8Ų
Polar contacts buried
Fraction buried 79.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1741.2Ų
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 2051.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 906.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)