FAIRMol

OHD_MAC_77

Pose ID 5115 Compound 507 Pose 374

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_MAC_77
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
40.7 kcal/mol
Protein clashes
3
Internal clashes
4
Native overlap
contact recall 0.63, Jaccard 0.55, H-bond role recall 0.80
Burial
89%
Hydrophobic fit
78%
Reason: no major geometry red flags detected
3 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.985 kcal/mol/HA) ✓ Good fit quality (FQ -9.59) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (89% SASA buried) ✓ Lipophilic contacts well-matched (78%) ✗ Extreme strain energy (40.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (17)
Score
-30.518
kcal/mol
LE
-0.985
kcal/mol/HA
Fit Quality
-9.59
FQ (Leeson)
HAC
31
heavy atoms
MW
419
Da
LogP
2.73
cLogP
Strain ΔE
40.7 kcal/mol
SASA buried
89%
Lipo contact
78% BSA apolar/total
SASA unbound
681 Ų
Apolar buried
473 Ų

Interaction summary

HB 10 HY 22 PI 3 CLASH 4
Final rank3.878Score-30.518
Inter norm-1.148Intra norm0.164
Top1000noExcludedno
Contacts15H-bonds10
Artifact reasongeometry warning; 17 clashes; 2 protein clashes; 2 cofactor-context clashes; high strain Δ 40.7
Residues
ARG14 ASP161 CYS168 GLY205 LEU208 LEU209 LEU263 LYS13 MET163 NAP301 PHE97 PRO210 TRP221 TYR174 TYR98

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 overlap12Native recall0.63
Jaccard0.55RMSD-
HB strict3Strict recall0.50
HB same residue+role4HB role recall0.80
HB same residue4HB residue recall0.80

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
335 1.3930127815785807 -1.04467 -25.9312 12 13 12 0.63 0.60 - no Open
423 1.5630867998048303 -0.805652 -24.3068 8 21 0 0.00 0.00 - no Open
405 1.7304015164173097 -0.9221 -20.9391 7 16 0 0.00 0.00 - no Open
457 2.8482198097472007 -0.907716 -23.9511 6 17 0 0.00 0.00 - no Open
485 2.9328503394784415 -0.773706 -22.989 7 17 0 0.00 0.00 - no Open
373 2.963111208615525 -0.784666 -22.9707 12 11 0 0.00 0.00 - no Open
378 3.196189989689528 -0.802503 -18.6827 9 14 0 0.00 0.00 - no Open
374 3.8776793943260253 -1.14839 -30.5185 10 15 12 0.63 0.80 - no Current
393 4.148145829395059 -0.833214 -13.3981 7 14 0 0.00 0.00 - no Open
382 5.2660608834707805 -0.957207 -23.0827 14 16 0 0.00 0.00 - no Open
354 5.4338480018641 -1.02971 -22.934 14 19 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 -30.518kcal/mol
Ligand efficiency (LE) -0.9845kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.591
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 419.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.73
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 40.68kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 129.42kcal/mol
Minimised FF energy 88.75kcal/mol

SASA & burial

✓ computed
SASA (unbound) 681.4Ų
Total solvent-accessible surface area of free ligand
BSA total 607.1Ų
Buried surface area upon binding
BSA apolar 472.8Ų
Hydrophobic contacts buried
BSA polar 134.2Ų
Polar contacts buried
Fraction buried 89.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1630.6Ų
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 926.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)