FAIRMol

OHD_ACDS_25

Pose ID 5403 Compound 153 Pose 662

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_ACDS_25
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
8.9 kcal/mol
Protein clashes
0
Internal clashes
1
Native overlap
contact recall 0.79, Jaccard 0.79, H-bond role recall 0.40
Burial
91%
Hydrophobic fit
97%
Reason: no major geometry red flags detected
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.363 kcal/mol/HA) ✓ Good fit quality (FQ -12.03) ✓ Good H-bonds (4 bonds) ✓ Deep burial (91% SASA buried) ✓ Lipophilic contacts well-matched (97%) ✗ Moderate strain (8.9 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (7)
Score
-31.356
kcal/mol
LE
-1.363
kcal/mol/HA
Fit Quality
-12.03
FQ (Leeson)
HAC
23
heavy atoms
MW
345
Da
LogP
4.33
cLogP
Strain ΔE
8.9 kcal/mol
SASA buried
91%
Lipo contact
97% BSA apolar/total
SASA unbound
551 Ų
Apolar buried
490 Ų

Interaction summary

HB 4 HY 24 PI 5 CLASH 1
Final rank0.693Score-31.356
Inter norm-1.432Intra norm0.069
Top1000noExcludedno
Contacts15H-bonds4
Artifact reasongeometry warning; 7 clashes; 1 protein clash; 1 cofactor-context clash
Residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 MET213 NAP301 PHE171 PHE97 PRO210 SER207 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 overlap15Native recall0.79
Jaccard0.79RMSD-
HB strict1Strict recall0.17
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
673 -0.2870957527735501 -1.47119 -32.8162 5 13 13 0.68 0.60 - no Open
662 0.692809738121724 -1.43211 -31.3557 4 15 15 0.79 0.40 - no Current
666 0.8249783486502428 -1.05017 -21.57 5 13 0 0.00 0.00 - no Open
658 1.2691902380682223 -1.11054 -25.1576 3 16 0 0.00 0.00 - no Open
664 2.3219346743576095 -0.948762 -20.4673 6 14 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 -31.356kcal/mol
Ligand efficiency (LE) -1.3633kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.032
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 345.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.33
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 8.89kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 62.33kcal/mol
Minimised FF energy 53.44kcal/mol

SASA & burial

✓ computed
SASA (unbound) 551.3Ų
Total solvent-accessible surface area of free ligand
BSA total 503.4Ų
Buried surface area upon binding
BSA apolar 490.1Ų
Hydrophobic contacts buried
BSA polar 13.3Ų
Polar contacts buried
Fraction buried 91.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 97.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1636.2Ų
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 953.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)