FAIRMol

OHD_TB2022_32

Pose ID 4127 Compound 555 Pose 64

DB SELECTIONDocking 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_32
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
82.2 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.74, Jaccard 0.61, H-bond role recall 0.60
Burial
98%
Hydrophobic fit
52%
Reason: strain 82.2 kcal/mol
strain ΔE 82.2 kcal/mol 5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.832 kcal/mol/HA) ✓ Good fit quality (FQ -7.86) ✓ Strong H-bond network (11 bonds) ✓ Deep burial (98% SASA buried) ✗ Extreme strain energy (82.2 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (5)
Score
-23.302
kcal/mol
LE
-0.832
kcal/mol/HA
Fit Quality
-7.86
FQ (Leeson)
HAC
28
heavy atoms
MW
443
Da
LogP
-2.27
cLogP
Strain ΔE
82.2 kcal/mol
SASA buried
98%
Lipo contact
52% BSA apolar/total
SASA unbound
648 Ų
Apolar buried
333 Ų

Interaction summary

HB 11 HY 18 PI 1 CLASH 5
Final rank2.051Score-23.302
Inter norm-1.231Intra norm0.399
Top1000noExcludedno
Contacts18H-bonds11
Artifact reasongeometry warning; 5 clashes; 1 protein clash; 5 cofactor-context clashes; high strain Δ 82.2
Residues
ARG14 ASN175 ASP161 CYS168 LEU209 LYS178 MET163 MET213 NAP301 PHE171 PHE97 PRO167 PRO210 SER95 TRP221 TYR174 VAL164 VAL206

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

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
Jaccard0.61RMSD-
HB strict4Strict recall0.67
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

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
42 0.8989299752623506 -1.26856 -30.9822 4 12 0 0.00 0.00 - no Open
71 1.5801052430540334 -1.01131 -29.2316 16 18 0 0.00 0.00 - no Open
70 1.60132418319177 -0.936258 -26.4623 8 20 0 0.00 0.00 - no Open
64 2.0505650579125 -1.23076 -23.3015 11 18 14 0.74 0.60 - no Current
63 2.3502887813057387 -1.0428 -13.8344 9 20 0 0.00 0.00 - no Open
81 3.240535762876825 -0.962735 -16.0402 11 18 0 0.00 0.00 - no Open
60 3.6631475468222012 -0.754843 -7.77728 11 14 0 0.00 0.00 - no Open
56 3.675610673525081 -0.999244 -14.1763 16 16 0 0.00 0.00 - no Open
75 3.7683605221794902 -0.958447 -21.714 10 20 0 0.00 0.00 - no Open
43 4.172514585544348 -1.49933 -37.9089 16 21 0 0.00 0.00 - no Open
70 4.45776064754174 -0.739553 -22.7032 10 12 0 0.00 0.00 - no Open
56 4.64794465457073 -1.04399 -18.6626 15 15 0 0.00 0.00 - no Open
41 5.071666184180568 -0.896731 -29.8785 16 16 0 0.00 0.00 - no Open
26 5.1433613498224355 -0.882633 -21.1222 16 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 -23.302kcal/mol
Ligand efficiency (LE) -0.8322kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.856
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 443.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) -2.27
Lipinski: ≤ 5
Rotatable bonds 13

Conformational strain (MMFF94s)

Strain energy (ΔE) 82.19kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 73.14kcal/mol
Minimised FF energy -9.05kcal/mol

SASA & burial

✓ computed
SASA (unbound) 648.0Ų
Total solvent-accessible surface area of free ligand
BSA total 633.4Ų
Buried surface area upon binding
BSA apolar 332.7Ų
Hydrophobic contacts buried
BSA polar 300.6Ų
Polar contacts buried
Fraction buried 97.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 52.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1475.2Ų
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 910.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)