FAIRMol

OHD_TbNat_65

Pose ID 4135 Compound 2912 Pose 72

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_TbNat_65
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding strong Geometry medium Native strong SASA done
Strain ΔE
18.9 kcal/mol
Protein clashes
2
Internal clashes
4
Native overlap
contact recall 0.79, Jaccard 0.62, H-bond role recall 0.40
Burial
99%
Hydrophobic fit
66%
Reason: no major geometry red flags detected
2 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.261 kcal/mol/HA) ✓ Good fit quality (FQ -11.62) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (99% SASA buried) ✓ Lipophilic contacts well-matched (66%) ✗ Moderate strain (18.9 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-32.778
kcal/mol
LE
-1.261
kcal/mol/HA
Fit Quality
-11.62
FQ (Leeson)
HAC
26
heavy atoms
MW
360
Da
LogP
1.76
cLogP
Strain ΔE
18.9 kcal/mol
SASA buried
99%
Lipo contact
66% BSA apolar/total
SASA unbound
597 Ų
Apolar buried
387 Ų

Interaction summary

HB 8 HY 24 PI 2 CLASH 4
Final rank2.516Score-32.778
Inter norm-1.291Intra norm0.030
Top1000noExcludedno
Contacts20H-bonds8
Artifact reasongeometry warning; 9 clashes; 2 protein clashes; 2 severe cofactor-context clashes
Residues
ARG14 ASN175 ASP161 CYS168 GLN166 GLY205 LEU208 LEU209 MET163 MET213 NAP301 PHE171 PHE97 PRO167 PRO210 SER95 TRP221 TYR174 VAL164 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 overlap15Native recall0.79
Jaccard0.62RMSD-
HB strict2Strict recall0.33
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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
83 1.726165603324366 -1.25521 -28.9129 14 11 8 0.42 0.80 - no Open
72 2.5159025534805233 -1.29084 -32.7784 8 20 15 0.79 0.40 - no Current
47 3.0866835948633713 -1.21083 -30.5389 12 15 0 0.00 0.00 - no Open
30 4.249683644980609 -0.998616 -15.5397 12 15 0 0.00 0.00 - no Open
65 4.3394777699327225 -1.03572 -23.6814 9 19 0 0.00 0.00 - no Open
79 4.411040433023151 -0.928097 -19.2409 8 16 0 0.00 0.00 - no Open
82 4.435254214047893 -0.905021 -18.9062 11 13 0 0.00 0.00 - no Open
50 5.831249337352885 -0.940251 -16.3801 15 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 -32.778kcal/mol
Ligand efficiency (LE) -1.2607kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.615
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 360.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.76
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 18.86kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 67.61kcal/mol
Minimised FF energy 48.75kcal/mol

SASA & burial

✓ computed
SASA (unbound) 597.2Ų
Total solvent-accessible surface area of free ligand
BSA total 589.3Ų
Buried surface area upon binding
BSA apolar 387.4Ų
Hydrophobic contacts buried
BSA polar 201.9Ų
Polar contacts buried
Fraction buried 98.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 65.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1526.9Ų
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 918.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)