FAIRMol

OHD_TB2022_43

Pose ID 4130 Compound 334 Pose 67

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_TB2022_43
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
14.9 kcal/mol
Protein clashes
0
Internal clashes
10
Native overlap
contact recall 0.84, Jaccard 0.73, H-bond role recall 0.60
Burial
98%
Hydrophobic fit
88%
Reason: 10 internal clashes
10 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.689 kcal/mol/HA) ✓ Good fit quality (FQ -14.66) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (98% SASA buried) ✓ Lipophilic contacts well-matched (88%) ✗ Moderate strain (14.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-37.154
kcal/mol
LE
-1.689
kcal/mol/HA
Fit Quality
-14.66
FQ (Leeson)
HAC
22
heavy atoms
MW
296
Da
LogP
1.83
cLogP
Strain ΔE
14.9 kcal/mol
SASA buried
98%
Lipo contact
88% BSA apolar/total
SASA unbound
546 Ų
Apolar buried
468 Ų

Interaction summary

HB 6 HY 22 PI 2 CLASH 0
Final rank0.793Score-37.154
Inter norm-1.673Intra norm-0.016
Top1000noExcludedno
Contacts19H-bonds6
Artifact reasongeometry warning; 10 clashes; 1 protein clash; 1 severe cofactor-context clash
Residues
ALA96 ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LEU263 LYS178 MET163 MET213 NAP301 PHE97 PRO210 SER207 SER95 TRP221 TYR174 VAL206

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

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
Jaccard0.73RMSD-
HB strict4Strict recall0.67
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

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.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
67 0.7928207366882746 -1.67254 -37.1541 6 19 16 0.84 0.60 - no Current
77 0.9869853810536828 -1.63666 -35.606 8 15 15 0.79 0.60 - no Open
66 1.3888408286468275 -1.32294 -29.7007 5 18 0 0.00 0.00 - no Open
48 1.695588553657268 -1.03998 -23.2386 7 12 0 0.00 0.00 - no Open
76 1.7480065114852155 -1.15813 -25.3276 10 20 0 0.00 0.00 - no Open
59 1.8919563206205992 -1.10726 -25.5879 5 15 0 0.00 0.00 - no Open
83 2.0159000912756597 -1.2811 -29.0126 10 20 0 0.00 0.00 - no Open
59 2.3280503306333356 -1.23742 -26.5823 11 18 0 0.00 0.00 - no Open
72 4.68821905880012 -0.971398 -20.6672 8 10 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 -37.154kcal/mol
Ligand efficiency (LE) -1.6888kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -14.662
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 22HA

Physicochemical properties

Molecular weight 296.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.83
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 14.88kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -6.26kcal/mol
Minimised FF energy -21.13kcal/mol

SASA & burial

✓ computed
SASA (unbound) 545.8Ų
Total solvent-accessible surface area of free ligand
BSA total 534.6Ų
Buried surface area upon binding
BSA apolar 468.1Ų
Hydrophobic contacts buried
BSA polar 66.6Ų
Polar contacts buried
Fraction buried 98.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 87.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1616.5Ų
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 914.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)