FAIRMol

OHD_MAC_75

Pose ID 5114 Compound 434 Pose 373

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_75
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
26.0 kcal/mol
Protein clashes
6
Internal clashes
9
Native overlap
contact recall 0.58, Jaccard 0.42, H-bond role recall 0.40
Burial
91%
Hydrophobic fit
78%
Reason: 9 internal clashes
6 protein-contact clashes 9 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.010 kcal/mol/HA) ✓ Good fit quality (FQ -9.74) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (91% SASA buried) ✓ Lipophilic contacts well-matched (78%) ✗ High strain energy (26.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-30.292
kcal/mol
LE
-1.010
kcal/mol/HA
Fit Quality
-9.74
FQ (Leeson)
HAC
30
heavy atoms
MW
403
Da
LogP
3.03
cLogP
Strain ΔE
26.0 kcal/mol
SASA buried
91%
Lipo contact
78% BSA apolar/total
SASA unbound
698 Ų
Apolar buried
496 Ų

Interaction summary

HB 6 HY 24 PI 3 CLASH 9

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 rank2.826Score-30.292
Inter norm-1.120Intra norm0.103
Top1000noExcludedno
Contacts18H-bonds6
Artifact reasongeometry warning; 13 clashes; 1 protein clash; 1 severe cofactor-context clash; moderate strain Δ 26.0
Residues
ARG14 ASN175 ASP161 CYS168 GLN166 LEU208 LEU209 LYS13 MET163 NAP301 PHE171 PHE97 PRO167 PRO210 SER95 TYR174 VAL164 VAL211

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 overlap11Native recall0.58
Jaccard0.42RMSD-
HB strict2Strict recall0.33
HB same residue+role2HB role recall0.40
HB same residue3HB residue recall0.60

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
404 1.0600136250211019 -0.906801 -18.7883 7 18 0 0.00 0.00 - no Open
334 1.2963751080636536 -1.02007 -24.053 9 18 15 0.79 0.60 - no Open
323 1.7960372607055601 -1.03868 -28.6013 9 16 0 0.00 0.00 - no Open
484 2.3012480494550256 -0.803675 -22.5539 5 17 0 0.00 0.00 - no Open
455 2.5025784650004894 -0.873051 -23.6453 4 19 0 0.00 0.00 - no Open
392 2.8165570570264418 -0.749474 -16.3353 9 16 0 0.00 0.00 - no Open
373 2.8256805223943924 -1.12038 -30.2922 6 18 11 0.58 0.40 - no Current
355 3.2999927404897584 -1.04489 -25.9132 11 24 0 0.00 0.00 - no Open
422 3.6194495202975876 -0.781705 -20.3167 7 17 0 0.00 0.00 - no Open
327 3.9353990466277415 -0.80723 -14.126 13 18 0 0.00 0.00 - no Open
350 4.065440236227152 -1.03956 -24.1715 10 16 0 0.00 0.00 - no Open
353 4.0851754945093015 -1.11238 -26.8884 10 23 0 0.00 0.00 - no Open
384 5.8125996811504965 -0.892376 -24.7512 6 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 -30.292kcal/mol
Ligand efficiency (LE) -1.0097kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.740
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 403.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.03
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 26.04kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 91.31kcal/mol
Minimised FF energy 65.28kcal/mol

SASA & burial

✓ computed
SASA (unbound) 697.8Ų
Total solvent-accessible surface area of free ligand
BSA total 632.6Ų
Buried surface area upon binding
BSA apolar 496.3Ų
Hydrophobic contacts buried
BSA polar 136.3Ų
Polar contacts buried
Fraction buried 90.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1647.1Ų
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 957.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)