FAIRMol

OHD_MAC_51

Pose ID 5100 Compound 215 Pose 359

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_51
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
49.5 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.68, Jaccard 0.54, H-bond role recall 0.00
Burial
87%
Hydrophobic fit
79%
Reason: strain 49.5 kcal/mol
strain ΔE 49.5 kcal/mol 2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.887 kcal/mol/HA) ✓ Good fit quality (FQ -8.88) ✓ Good H-bonds (3 bonds) ✓ Deep burial (87% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ Extreme strain energy (49.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-30.158
kcal/mol
LE
-0.887
kcal/mol/HA
Fit Quality
-8.88
FQ (Leeson)
HAC
34
heavy atoms
MW
463
Da
LogP
2.49
cLogP
Strain ΔE
49.5 kcal/mol
SASA buried
87%
Lipo contact
79% BSA apolar/total
SASA unbound
765 Ų
Apolar buried
530 Ų

Interaction summary

HB 3 HY 24 PI 4 CLASH 2
Final rank2.791Score-30.158
Inter norm-0.975Intra norm0.088
Top1000noExcludedno
Contacts18H-bonds3
Artifact reasongeometry warning; 15 clashes; 1 protein clash; high strain Δ 49.5
Residues
ARG14 ASN175 ASP161 CYS168 GLY205 LEU208 LEU209 LYS178 MET163 NAP301 PHE97 PRO167 PRO210 SER207 TYR174 VAL164 VAL206 VAL211

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 overlap13Native recall0.68
Jaccard0.54RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
431 1.2451313644528765 -0.868392 -23.2635 8 17 0 0.00 0.00 - no Open
446 1.559678130814029 -0.851204 -20.736 8 22 0 0.00 0.00 - no Open
367 1.7363078992118561 -0.747066 -18.0906 9 15 0 0.00 0.00 - no Open
311 2.4665199956745942 -0.961514 -25.0817 15 12 0 0.00 0.00 - no Open
375 2.6334168552091985 -0.798666 -19.7113 4 14 0 0.00 0.00 - no Open
359 2.7914438196960063 -0.974924 -30.1583 3 18 13 0.68 0.00 - no Current
400 3.2292764609267595 -0.842641 -19.4456 8 15 0 0.00 0.00 - no Open
360 3.3520427793386554 -0.671838 -19.9977 8 12 0 0.00 0.00 - no Open
353 3.5046443281454978 -0.72972 -21.574 11 13 0 0.00 0.00 - no Open
370 5.275585035867206 -0.916306 -26.3461 16 19 0 0.00 0.00 - no Open
476 5.337543218588304 -0.846288 -25.8914 8 17 0 0.00 0.00 - no Open
349 5.748052224316116 -0.929491 -21.2046 16 25 0 0.00 0.00 - no Open
316 6.990391588971337 -0.834522 -16.6889 15 18 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 -30.158kcal/mol
Ligand efficiency (LE) -0.8870kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.875
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 463.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.49
Lipinski: ≤ 5
Rotatable bonds 12

Conformational strain (MMFF94s)

Strain energy (ΔE) 49.52kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 130.69kcal/mol
Minimised FF energy 81.17kcal/mol

SASA & burial

✓ computed
SASA (unbound) 765.2Ų
Total solvent-accessible surface area of free ligand
BSA total 667.7Ų
Buried surface area upon binding
BSA apolar 530.2Ų
Hydrophobic contacts buried
BSA polar 137.5Ų
Polar contacts buried
Fraction buried 87.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1698.5Ų
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 923.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)