FAIRMol

OHD_ACDS_27

Pose ID 4738 Compound 232 Pose 675

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_ACDS_27
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
7.4 kcal/mol
Protein clashes
3
Internal clashes
4
Native overlap
contact recall 0.74, Jaccard 0.70, H-bond role recall 0.40
Burial
90%
Hydrophobic fit
97%
Reason: no major geometry red flags detected
3 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Low conformational strain (7.4 kcal/mol) ✓ Excellent LE (-1.466 kcal/mol/HA) ✓ Good fit quality (FQ -12.94) ✓ Good H-bonds (3 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (97%) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Internal clashes (6)
Score
-33.714
kcal/mol
LE
-1.466
kcal/mol/HA
Fit Quality
-12.94
FQ (Leeson)
HAC
23
heavy atoms
MW
528
Da
LogP
4.23
cLogP
Strain ΔE
7.4 kcal/mol
SASA buried
90%
Lipo contact
97% BSA apolar/total
SASA unbound
590 Ų
Apolar buried
520 Ų

Interaction summary

HB 3 HY 24 PI 5 CLASH 4
Final rank0.089Score-33.714
Inter norm-1.531Intra norm0.066
Top1000noExcludedno
Contacts15H-bonds3
Artifact reasongeometry warning; 6 clashes; 5 protein contact clashes; 1 cofactor-context clash
Residues
ARG14 ASP161 CYS168 GLY205 LEU209 LEU263 MET213 NAP301 PHE171 PHE97 PRO210 SER207 TRP221 TYR174 VAL206

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

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
Jaccard0.70RMSD-
HB strict2Strict recall0.33
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
675 0.08932108552118626 -1.53139 -33.7137 3 15 14 0.74 0.40 - no Current
671 1.4623494220460063 -1.20535 -27.015 3 18 0 0.00 0.00 - no Open
670 1.4838971022548233 -1.01085 -19.596 1 19 0 0.00 0.00 - no Open
660 1.5296363297884992 -1.24398 -27.7842 3 17 0 0.00 0.00 - no Open
659 1.6127658204479765 -1.16325 -26.2443 2 19 0 0.00 0.00 - no Open
668 1.813401811970726 -1.08305 -23.0344 3 13 0 0.00 0.00 - no Open
673 2.618099765994593 -1.24331 -24.7088 5 19 0 0.00 0.00 - no Open
677 2.650135671650861 -0.972587 -21.0295 4 11 0 0.00 0.00 - no Open
659 2.7068022141827996 -1.03337 -23.1766 3 12 0 0.00 0.00 - no Open
670 3.068566625982152 -1.0102 -22.9013 4 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 -33.714kcal/mol
Ligand efficiency (LE) -1.4658kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.937
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 528.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.23
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 7.44kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 55.38kcal/mol
Minimised FF energy 47.94kcal/mol

SASA & burial

✓ computed
SASA (unbound) 590.1Ų
Total solvent-accessible surface area of free ligand
BSA total 533.9Ų
Buried surface area upon binding
BSA apolar 519.9Ų
Hydrophobic contacts buried
BSA polar 14.0Ų
Polar contacts buried
Fraction buried 90.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 97.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1698.0Ų
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 930.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)