FAIRMol

OHD_ACDS_75

Pose ID 4060 Compound 2547 Pose 674

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T06
T. brucei DHFR T. brucei
Ligand OHD_ACDS_75
PDB8RHT

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
29.9 kcal/mol
Protein clashes
3
Internal clashes
4
Native overlap
contact recall 0.71, Jaccard 0.62, H-bond role recall 0.00
Burial
95%
Hydrophobic fit
77%
Reason: no major geometry red flags detected
3 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.532 kcal/mol/HA) ✓ Good fit quality (FQ -5.13) ✓ Good H-bonds (4 bonds) ✓ Deep burial (95% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ High strain energy (29.9 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (7) ✗ Many internal clashes (11)
Score
-15.970
kcal/mol
LE
-0.532
kcal/mol/HA
Fit Quality
-5.13
FQ (Leeson)
HAC
30
heavy atoms
MW
407
Da
LogP
3.22
cLogP
Strain ΔE
29.9 kcal/mol
SASA buried
95%
Lipo contact
77% BSA apolar/total
SASA unbound
675 Ų
Apolar buried
492 Ų

Interaction summary

HB 4 HY 24 PI 4 CLASH 4
Final rank1.551Score-15.970
Inter norm-0.815Intra norm0.248
Top1000noExcludedno
Contacts18H-bonds4
Artifact reasongeometry warning; 11 clashes; 7 protein contact clashes; 1 cofactor-context clash; moderate strain Δ 29.9
Residues
ALA34 ARG100 ARG59 ASP54 GLN56 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE58 PHE94 PRO91 THR86 TYR166 VAL32 VAL33

Protein summary

223 residues
Protein targetT06Atoms3452
Residues223Chains1
Residue summaryARG:408; VAL:352; LYS:308; LEU:304; PRO:238; ILE:209; GLU:195; THR:182; SER:176; ALA:160; PHE:140; ASN:126; GLY:126; ASP:108; GLN:85; NDP:74

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:NDP301

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name8RHTContacts21
PoseOpen native poseHB0
IFP residues
ALA34 ASP54 HIS182 ILE160 ILE47 LEU90 LEU97 MET55 NDP301 PHE233 PHE58 PHE94 PRO91 SER89 THR184 THR86 TRP49 TYR166 TYR57 VAL32 VAL33
Current overlap15Native recall0.71
Jaccard0.62RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
674 1.5512422205691607 -0.815383 -15.9701 4 18 15 0.71 0.00 - no Current
677 1.9033930537677903 -0.878225 -23.603 7 15 0 0.00 0.00 - no Open
675 2.654721176662184 -0.913095 -25.6445 11 13 0 0.00 0.00 - no Open
676 3.149937329405016 -0.830862 -22.5223 6 16 0 0.00 0.00 - no Open
675 3.3963568365121724 -1.1746 -33.1207 13 15 0 0.00 0.00 - no Open
676 4.467756620184489 -1.09954 -25.516 13 20 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 -15.970kcal/mol
Ligand efficiency (LE) -0.5323kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.135
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 407.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.22
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 29.89kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 66.40kcal/mol
Minimised FF energy 36.51kcal/mol

SASA & burial

✓ computed
SASA (unbound) 675.4Ų
Total solvent-accessible surface area of free ligand
BSA total 639.9Ų
Buried surface area upon binding
BSA apolar 491.8Ų
Hydrophobic contacts buried
BSA polar 148.2Ų
Polar contacts buried
Fraction buried 94.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1738.2Ų
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 1808.8Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 595.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)