FAIRMol

OHD_MAC_18

Pose ID 5077 Compound 490 Pose 336

DB fairmolDocking 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_18
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
54.1 kcal/mol
Protein clashes
0
Internal clashes
16
Native overlap
contact recall 0.63, Jaccard 0.50, H-bond role recall 0.20
Burial
84%
Hydrophobic fit
78%
Reason: 16 internal clashes, strain 54.1 kcal/mol
strain ΔE 54.1 kcal/mol 16 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.587 kcal/mol/HA) ✓ Good fit quality (FQ -5.87) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (84% SASA buried) ✓ Lipophilic contacts well-matched (78%) ✗ Extreme strain energy (54.1 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (16)
Score
-19.951
kcal/mol
LE
-0.587
kcal/mol/HA
Fit Quality
-5.87
FQ (Leeson)
HAC
34
heavy atoms
MW
463
Da
LogP
2.49
cLogP
Strain ΔE
54.1 kcal/mol
SASA buried
84%
Lipo contact
78% BSA apolar/total
SASA unbound
747 Ų
Apolar buried
490 Ų

Interaction summary

HB 8 HY 24 PI 1 CLASH 0

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

No clash · clashes detected for this pose.
Final rank3.242Score-19.951
Inter norm-1.021Intra norm0.434
Top1000noExcludedno
Contacts17H-bonds8
Artifact reasongeometry warning; 16 clashes; 2 protein clashes; 1 cofactor-context clash; high strain Δ 53.7
Residues
ALA96 ARG14 ASN175 ASP161 CYS168 LEU208 LEU209 MET163 NAP301 PHE171 PHE97 PRO167 PRO210 SER95 TYR174 TYR98 VAL164

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
Jaccard0.50RMSD-
HB strict1Strict recall0.17
HB same residue+role1HB role recall0.20
HB same residue2HB residue recall0.40

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
430 2.59197919835503 -0.76148 -25.2954 5 15 0 0.00 0.00 - no Open
319 2.7218578470903583 -0.945078 -27.2269 14 17 13 0.68 0.60 - no Open
428 2.79456012805537 -0.880938 -20.3366 8 18 0 0.00 0.00 - no Open
336 3.2419444705772915 -1.0213 -19.9514 8 17 12 0.63 0.20 - no Current
320 3.778930126035148 -0.904558 -22.0607 16 28 0 0.00 0.00 - no Open
356 4.4971483304172395 -0.778227 -21.2656 14 18 0 0.00 0.00 - no Open
464 4.517879810668577 -0.77068 -22.8725 7 19 0 0.00 0.00 - no Open
391 4.742137285786799 -0.8613 -27.9883 6 17 0 0.00 0.00 - no Open
342 4.822952678317703 -0.931528 -24.8768 13 18 0 0.00 0.00 - no Open
396 4.864535502025708 -0.81227 -25.2088 10 19 0 0.00 0.00 - no Open
358 5.068564575638491 -0.79463 -17.726 8 19 0 0.00 0.00 - no Open
324 5.551177698279277 -1.05191 -27.6251 16 17 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 -19.951kcal/mol
Ligand efficiency (LE) -0.5868kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.872
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 13

Conformational strain (MMFF94s)

Strain energy (ΔE) 54.09kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 115.51kcal/mol
Minimised FF energy 61.42kcal/mol

SASA & burial

✓ computed
SASA (unbound) 747.0Ų
Total solvent-accessible surface area of free ligand
BSA total 626.2Ų
Buried surface area upon binding
BSA apolar 490.3Ų
Hydrophobic contacts buried
BSA polar 135.9Ų
Polar contacts buried
Fraction buried 83.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1666.2Ų
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 941.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)