FAIRMol

OHD_MAC_36

Pose ID 4387 Compound 220 Pose 324

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_MAC_36
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
31.4 kcal/mol
Protein clashes
2
Internal clashes
3
Native overlap
contact recall 0.68, Jaccard 0.68, H-bond role recall 0.60
Burial
72%
Hydrophobic fit
72%
Reason: no major geometry red flags detected
2 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.917 kcal/mol/HA) ✓ Good fit quality (FQ -8.84) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (72% SASA buried) ✓ Lipophilic contacts well-matched (72%) ✗ Very high strain energy (31.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-27.504
kcal/mol
LE
-0.917
kcal/mol/HA
Fit Quality
-8.84
FQ (Leeson)
HAC
30
heavy atoms
MW
424
Da
LogP
3.38
cLogP
Strain ΔE
31.4 kcal/mol
SASA buried
72%
Lipo contact
72% BSA apolar/total
SASA unbound
680 Ų
Apolar buried
351 Ų

Interaction summary

HB 10 HY 24 PI 4 CLASH 3

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 rank1.953Score-27.504
Inter norm-1.111Intra norm0.194
Top1000noExcludedno
Contacts13H-bonds10
Artifact reasongeometry warning; 13 clashes; 1 protein clash; 2 severe cofactor-context clashes; high strain Δ 31.4
Residues
ARG14 ASP161 CYS168 LEU209 MET213 NAP301 PHE171 PHE97 PRO210 PRO99 SER95 TRP221 TYR174

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
Jaccard0.68RMSD-
HB strict4Strict recall0.67
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

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
348 1.2100144411566822 -1.1538 -30.0904 8 14 11 0.58 0.40 - no Open
440 1.5676082891596326 -0.944621 -26.2353 6 17 0 0.00 0.00 - no Open
324 1.953134084273393 -1.11057 -27.5044 10 13 13 0.68 0.60 - no Current
366 2.2621186422673074 -0.969443 -20.4956 4 16 0 0.00 0.00 - no Open
395 3.0456434028459523 -0.899025 -26.9428 4 19 0 0.00 0.00 - no Open
404 3.8699170341381035 -0.865306 -16.7738 8 18 0 0.00 0.00 - no Open
441 4.081786304937585 -0.850126 -23.0145 5 13 0 0.00 0.00 - no Open
308 4.168792251622847 -1.07508 -26.8228 10 20 0 0.00 0.00 - no Open
332 4.318025370457191 -1.10906 -19.6858 11 21 0 0.00 0.00 - no Open
346 4.7100997309679045 -1.08757 -25.9544 15 23 0 0.00 0.00 - no Open
362 4.900785009688223 -0.929405 -16.6604 15 17 0 0.00 0.00 - no Open
354 5.137261587746673 -0.910504 -14.9944 8 15 0 0.00 0.00 - no Open
348 5.166887790616978 -0.859874 -15.7312 7 21 0 0.00 0.00 - no Open
309 5.312767912161138 -0.875177 -16.7657 14 15 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 -27.504kcal/mol
Ligand efficiency (LE) -0.9168kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.844
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 423.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.38
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 31.44kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 88.58kcal/mol
Minimised FF energy 57.14kcal/mol

SASA & burial

✓ computed
SASA (unbound) 680.5Ų
Total solvent-accessible surface area of free ligand
BSA total 487.4Ų
Buried surface area upon binding
BSA apolar 350.7Ų
Hydrophobic contacts buried
BSA polar 136.7Ų
Polar contacts buried
Fraction buried 71.6%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 72.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1584.7Ų
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 998.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)