FAIRMol

OHD_TB2020_29

Pose ID 64 Compound 562 Pose 64

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T01
Human DHFR Human
Ligand OHD_TB2020_29
PDB5SD8

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
49.9 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.76, Jaccard 0.64, H-bond role recall 0.20
Burial
73%
Hydrophobic fit
82%
Reason: strain 49.9 kcal/mol
strain ΔE 49.9 kcal/mol 3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.481 kcal/mol/HA) ✓ Good fit quality (FQ -5.31) ✓ Good H-bonds (3 bonds) ✓ Deep burial (73% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ Extreme strain energy (49.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (18)
Score
-24.529
kcal/mol
LE
-0.481
kcal/mol/HA
Fit Quality
-5.31
FQ (Leeson)
HAC
51
heavy atoms
MW
725
Da
LogP
6.19
cLogP
Strain ΔE
49.9 kcal/mol
SASA buried
73%
Lipo contact
82% BSA apolar/total
SASA unbound
1005 Ų
Apolar buried
604 Ų

Interaction summary

HB 3 HY 24 PI 2 CLASH 3
Final rank3.312Score-24.529
Inter norm-0.522Intra norm0.041
Top1000noExcludedno
Contacts20H-bonds3
Artifact reasongeometry warning; 18 clashes; 1 protein clash; high strain Δ 48.6
Residues
ALA10 ARG29 ASN65 ASP22 GLU31 GLY21 ILE8 LEU23 LEU28 NAP201 PHE32 PHE35 PRO27 PRO62 SER60 THR137 TRP25 TYR122 VAL116 VAL9

Protein summary

200 residues
Protein targetT01Atoms3128
Residues200Chains2
Residue summaryLYS:374; LEU:361; GLU:240; VAL:224; ARG:192; PHE:180; ILE:171; PRO:168; ASN:140; SER:132; TYR:126; GLN:119; ASP:108; MET:102; THR:98; GLY:91

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:NAP201

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5SD8Contacts21
PoseOpen native poseHB0
IFP residues
ALA10 ASN65 ASP22 GLN36 GLU31 GLY117 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO62 SER60 THR137 THR57 TYR122 VAL116 VAL9
Current overlap16Native recall0.76
Jaccard0.64RMSD-
HB strict0Strict recall0.00
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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
53 3.1843385243565816 -0.438163 -8.29736 7 27 0 0.00 0.00 - no Open
55 3.259793348076267 -0.524383 -22.9259 5 18 0 0.00 0.00 - no Open
64 3.3123104589459818 -0.521754 -24.5294 3 20 16 0.76 0.20 - 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 -24.529kcal/mol
Ligand efficiency (LE) -0.4810kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.307
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 51HA

Physicochemical properties

Molecular weight 724.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 6.19
Lipinski: ≤ 5
Rotatable bonds 16

Conformational strain (MMFF94s)

Strain energy (ΔE) 49.91kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -31.69kcal/mol
Minimised FF energy -81.60kcal/mol

SASA & burial

✓ computed
SASA (unbound) 1004.5Ų
Total solvent-accessible surface area of free ligand
BSA total 737.0Ų
Buried surface area upon binding
BSA apolar 603.7Ų
Hydrophobic contacts buried
BSA polar 133.4Ų
Polar contacts buried
Fraction buried 73.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1872.6Ų
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 1677.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 635.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)