FAIRMol

OHD_ACDS_37

Pose ID 5409 Compound 371 Pose 668

DB fairmolDocking 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_37
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
10.1 kcal/mol
Protein clashes
2
Internal clashes
3
Native overlap
contact recall 0.74, Jaccard 0.58, H-bond role recall 0.20
Burial
93%
Hydrophobic fit
96%
Reason: no major geometry red flags detected
2 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.107 kcal/mol/HA) ✓ Good fit quality (FQ -10.57) ✓ Good H-bonds (3 bonds) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (96%) ✗ Moderate strain (10.1 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Internal clashes (7)
Score
-32.105
kcal/mol
LE
-1.107
kcal/mol/HA
Fit Quality
-10.57
FQ (Leeson)
HAC
29
heavy atoms
MW
514
Da
LogP
5.66
cLogP
Strain ΔE
10.1 kcal/mol
SASA buried
93%
Lipo contact
96% BSA apolar/total
SASA unbound
700 Ų
Apolar buried
625 Ų

Interaction summary

HB 3 HY 24 PI 7 CLASH 3

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 rank0.217Score-32.105
Inter norm-1.165Intra norm0.058
Top1000noExcludedno
Contacts19H-bonds3
Artifact reasongeometry warning; 7 clashes; 3 protein contact clashes; 1 cofactor-context clash
Residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LEU263 LYS224 MET163 MET213 NAP301 PHE171 PHE97 PRO210 TRP221 TYR174 VAL206 ALA268 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 overlap14Native recall0.74
Jaccard0.58RMSD-
HB strict1Strict recall0.17
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
677 -0.1780151741038691 -1.26766 -36.1752 3 17 14 0.74 0.40 - no Open
668 0.2167218788927261 -1.16526 -32.1048 3 19 14 0.74 0.20 - no Current
666 1.4675162042552168 -0.958235 -24.9401 2 19 0 0.00 0.00 - no Open
666 2.1006116131471626 -0.945008 -27.1534 2 20 0 0.00 0.00 - no Open
665 2.1862765749194604 -0.920113 -25.3861 2 20 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 -32.105kcal/mol
Ligand efficiency (LE) -1.1071kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.568
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 514.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.66
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 10.06kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 49.73kcal/mol
Minimised FF energy 39.68kcal/mol

SASA & burial

✓ computed
SASA (unbound) 699.9Ų
Total solvent-accessible surface area of free ligand
BSA total 649.5Ų
Buried surface area upon binding
BSA apolar 625.0Ų
Hydrophobic contacts buried
BSA polar 24.5Ų
Polar contacts buried
Fraction buried 92.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 96.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1773.0Ų
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 954.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)