FAIRMol

OHD_TbNat_18

Pose ID 4134 Compound 2204 Pose 71

DB fairmolDocking 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_18
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 high Native strong SASA done
Strain ΔE
7.9 kcal/mol
Protein clashes
0
Internal clashes
1
Native overlap
contact recall 0.63, Jaccard 0.55, H-bond role recall 0.60
Burial
99%
Hydrophobic fit
71%
Reason: no major geometry red flags detected
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Low conformational strain (7.9 kcal/mol) ✓ Excellent LE (-1.547 kcal/mol/HA) ✓ Good fit quality (FQ -12.95) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (99% SASA buried) ✓ Lipophilic contacts well-matched (71%) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-30.943
kcal/mol
LE
-1.547
kcal/mol/HA
Fit Quality
-12.95
FQ (Leeson)
HAC
20
heavy atoms
MW
270
Da
LogP
2.58
cLogP
Strain ΔE
7.9 kcal/mol
SASA buried
99%
Lipo contact
71% BSA apolar/total
SASA unbound
467 Ų
Apolar buried
329 Ų

Interaction summary

HB 7 HY 22 PI 2 CLASH 1

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 rank-0.643Score-30.943
Inter norm-1.536Intra norm-0.011
Top1000noExcludedno
Contacts15H-bonds7
Artifact reasongeometry warning; 8 clashes; 1 severe cofactor-context clash
Residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LEU263 MET163 NAP301 PHE97 PRO210 TRP221 TYR174 VAL206 HIS267

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 overlap12Native recall0.63
Jaccard0.55RMSD-
HB strict4Strict recall0.67
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

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
71 -0.6425912787373339 -1.5364 -30.9434 7 15 12 0.63 0.60 - no Current
69 1.694537518369985 -1.21538 -22.0621 6 16 0 0.00 0.00 - no Open
59 2.771198386423646 -1.45638 -28.5775 8 13 0 0.00 0.00 - no Open
80 3.406183505862583 -1.22511 -24.0434 7 12 0 0.00 0.00 - no Open
45 3.6208123248314377 -1.33156 -25.6337 11 16 0 0.00 0.00 - no Open
75 4.1092730997855105 -1.13353 -20.6307 8 13 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 -30.943kcal/mol
Ligand efficiency (LE) -1.5472kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.947
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 20HA

Physicochemical properties

Molecular weight 270.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.58
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 7.90kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 57.44kcal/mol
Minimised FF energy 49.55kcal/mol

SASA & burial

✓ computed
SASA (unbound) 467.4Ų
Total solvent-accessible surface area of free ligand
BSA total 460.9Ų
Buried surface area upon binding
BSA apolar 328.8Ų
Hydrophobic contacts buried
BSA polar 132.0Ų
Polar contacts buried
Fraction buried 98.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 71.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1462.8Ų
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 920.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)