FAIRMol

OHD_TB2022_22

Pose ID 4124 Compound 1005 Pose 61

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_TB2022_22
PDB6RX6

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
35.9 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.79, Jaccard 0.71, H-bond role recall 0.80
Burial
83%
Hydrophobic fit
84%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.075 kcal/mol/HA) ✓ Good fit quality (FQ -10.48) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (83% SASA buried) ✓ Lipophilic contacts well-matched (84%) ✗ Very high strain energy (35.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-33.339
kcal/mol
LE
-1.075
kcal/mol/HA
Fit Quality
-10.48
FQ (Leeson)
HAC
31
heavy atoms
MW
418
Da
LogP
2.44
cLogP
Strain ΔE
35.9 kcal/mol
SASA buried
83%
Lipo contact
84% BSA apolar/total
SASA unbound
731 Ų
Apolar buried
506 Ų

Interaction summary

HB 10 HY 24 PI 7 CLASH 2

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 rank1.784Score-33.339
Inter norm-1.280Intra norm0.204
Top1000noExcludedno
Contacts17H-bonds10
Artifact reasongeometry warning; 13 clashes; 1 protein clash; 2 cofactor-context clashes; high strain Δ 30.3
Residues
ARG14 ASP161 CYS168 LEU208 LEU209 LYS178 MET169 MET213 NAP301 PHE171 PHE97 PRO210 SER95 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 overlap15Native recall0.79
Jaccard0.71RMSD-
HB strict5Strict recall0.83
HB same residue+role4HB role recall0.80
HB same residue4HB residue recall0.80

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 1.1759533906402064 -1.22786 -32.6251 8 18 15 0.79 0.80 - no Open
54 1.1778610915356442 -0.81352 -19.4244 5 17 0 0.00 0.00 - no Open
71 1.3825379105424664 -1.01868 -27.8464 8 22 0 0.00 0.00 - no Open
60 1.4227548049252554 -1.01128 -28.6914 7 21 0 0.00 0.00 - no Open
61 1.7842339039670483 -1.27976 -33.3386 10 17 15 0.79 0.80 - no Current
38 2.126142591967099 -1.19299 -35.0453 6 13 0 0.00 0.00 - no Open
53 2.190687321645587 -0.904928 -26.0653 11 19 0 0.00 0.00 - no Open
53 2.472479417561934 -1.00203 -26.5687 7 14 0 0.00 0.00 - no Open
67 2.6760790575527027 -0.781912 -21.9531 8 17 0 0.00 0.00 - no Open
45 3.2910631889048396 -0.758947 -22.1326 4 16 0 0.00 0.00 - no Open
69 3.363591324814485 -0.834928 -21.868 8 19 0 0.00 0.00 - no Open
57 4.092520790999872 -0.859113 -19.9507 4 16 0 0.00 0.00 - no Open
48 4.661712050862162 -0.912308 -27.3911 12 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 -33.339kcal/mol
Ligand efficiency (LE) -1.0754kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.477
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 418.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.44
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 35.87kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 61.67kcal/mol
Minimised FF energy 25.80kcal/mol

SASA & burial

✓ computed
SASA (unbound) 730.5Ų
Total solvent-accessible surface area of free ligand
BSA total 606.2Ų
Buried surface area upon binding
BSA apolar 506.3Ų
Hydrophobic contacts buried
BSA polar 99.9Ų
Polar contacts buried
Fraction buried 83.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 83.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1754.7Ų
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 923.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)