FAIRMol

OHD_MAC_54

Pose ID 5101 Compound 1031 Pose 360

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_54
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
63.4 kcal/mol
Protein clashes
6
Internal clashes
7
Native overlap
contact recall 0.53, Jaccard 0.37, H-bond role recall 0.80
Burial
83%
Hydrophobic fit
88%
Reason: 7 internal clashes, strain 63.4 kcal/mol
strain ΔE 63.4 kcal/mol 6 protein-contact clashes 7 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.924 kcal/mol/HA) ✓ Good fit quality (FQ -9.09) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (83% SASA buried) ✓ Lipophilic contacts well-matched (88%) ✗ Extreme strain energy (63.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-29.582
kcal/mol
LE
-0.924
kcal/mol/HA
Fit Quality
-9.09
FQ (Leeson)
HAC
32
heavy atoms
MW
433
Da
LogP
-0.00
cLogP
Strain ΔE
63.4 kcal/mol
SASA buried
83%
Lipo contact
88% BSA apolar/total
SASA unbound
760 Ų
Apolar buried
553 Ų

Interaction summary

HB 8 HY 24 PI 2 CLASH 7

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 rank4.155Score-29.582
Inter norm-1.125Intra norm0.200
Top1000noExcludedno
Contacts18H-bonds8
Artifact reasongeometry warning; 13 clashes; 2 protein clashes; 4 cofactor-context clashes; high strain Δ 63.3
Residues
ALA212 ARG14 ASN175 ASP161 ASP165 CYS168 GLN166 LEU208 LEU209 MET163 NAP301 PHE171 PHE97 PRO167 PRO210 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 overlap10Native recall0.53
Jaccard0.37RMSD-
HB strict4Strict recall0.67
HB same residue+role4HB role recall0.80
HB same residue4HB residue recall0.80

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
477 2.246836110062224 -0.72724 -12.9055 3 18 0 0.00 0.00 - no Open
315 3.395751025872331 -1.05516 -29.7145 10 21 0 0.00 0.00 - no Open
343 3.8298733184047693 -0.989348 -24.0027 10 17 0 0.00 0.00 - no Open
434 4.004594326744229 -0.798659 -18.4097 8 20 0 0.00 0.00 - no Open
360 4.155412122929875 -1.12452 -29.5823 8 18 10 0.53 0.80 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -29.582kcal/mol
Ligand efficiency (LE) -0.9244kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.091
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 433.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.00
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 63.37kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 193.97kcal/mol
Minimised FF energy 130.60kcal/mol

SASA & burial

✓ computed
SASA (unbound) 760.0Ų
Total solvent-accessible surface area of free ligand
BSA total 629.4Ų
Buried surface area upon binding
BSA apolar 552.9Ų
Hydrophobic contacts buried
BSA polar 76.5Ų
Polar contacts buried
Fraction buried 82.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 87.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1747.8Ų
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 938.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)