FAIRMol

OHD_MAC_67

Pose ID 4394 Compound 511 Pose 331

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_MAC_67
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
52.3 kcal/mol
Protein clashes
2
Internal clashes
5
Native overlap
contact recall 0.74, Jaccard 0.64, H-bond role recall 0.20
Burial
78%
Hydrophobic fit
88%
Reason: strain 52.3 kcal/mol
strain ΔE 52.3 kcal/mol 2 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.732 kcal/mol/HA) ✓ Good fit quality (FQ -7.26) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (78% SASA buried) ✓ Lipophilic contacts well-matched (88%) ✗ Extreme strain energy (52.3 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Many internal clashes (16)
Score
-24.139
kcal/mol
LE
-0.732
kcal/mol/HA
Fit Quality
-7.26
FQ (Leeson)
HAC
33
heavy atoms
MW
478
Da
LogP
1.61
cLogP
Strain ΔE
52.3 kcal/mol
SASA buried
78%
Lipo contact
88% BSA apolar/total
SASA unbound
722 Ų
Apolar buried
494 Ų

Interaction summary

HB 6 HY 24 PI 4 CLASH 5

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 rank1.790Score-24.139
Inter norm-0.915Intra norm0.184
Top1000noExcludedno
Contacts17H-bonds6
Artifact reasongeometry warning; 16 clashes; 5 protein contact clashes; 3 cofactor-context clashes; high strain Δ 52.3
Residues
ALA170 ARG14 ASP161 GLU217 LEU208 LEU209 MET169 MET213 NAP301 PHE171 PHE97 PRO210 SER207 SER95 TRP221 TYR174 VAL206

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
Jaccard0.64RMSD-
HB strict0Strict recall0.00
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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
331 1.7902700583309057 -0.915236 -24.1392 6 17 14 0.74 0.20 - no Current
451 2.876644440223795 -0.83621 -21.5131 4 19 0 0.00 0.00 - no Open
454 3.68647256374911 -0.738459 -19.964 2 16 0 0.00 0.00 - no Open
351 3.872969880470129 -0.923897 -27.655 9 15 0 0.00 0.00 - no Open
368 3.959392997784092 -1.19748 -34.4628 10 18 10 0.53 0.80 - no Open
323 3.962161196702303 -0.853485 -19.9813 11 18 0 0.00 0.00 - no Open
419 4.044111887372217 -0.685336 -18.0096 10 18 0 0.00 0.00 - no Open
346 4.164560827014589 -1.06742 -25.3382 10 16 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 -24.139kcal/mol
Ligand efficiency (LE) -0.7315kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.258
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 477.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.61
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 52.34kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 173.32kcal/mol
Minimised FF energy 120.98kcal/mol

SASA & burial

✓ computed
SASA (unbound) 721.7Ų
Total solvent-accessible surface area of free ligand
BSA total 563.1Ų
Buried surface area upon binding
BSA apolar 493.6Ų
Hydrophobic contacts buried
BSA polar 69.5Ų
Polar contacts buried
Fraction buried 78.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 87.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1712.8Ų
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 949.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)