FAIRMol

OHD_TB2021_71

Pose ID 1421 Compound 810 Pose 66

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T03
L. major DHFR L. major
Ligand OHD_TB2021_71

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
56.9 kcal/mol
Protein clashes
11
Internal clashes
11
Native overlap
contact recall 0.85, Jaccard 0.71, H-bond role recall 0.20
Burial
88%
Hydrophobic fit
85%
Reason: 11 protein-contact clashes, 11 internal clashes, strain 56.9 kcal/mol
strain ΔE 56.9 kcal/mol 11 protein-contact clashes 11 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Good LE (-0.330 kcal/mol/HA) ✓ Good fit quality (FQ -3.50) ✓ Good H-bonds (3 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (85%) ✗ Extreme strain energy (56.9 kcal/mol) ✗ Geometry warnings ✗ Severe protein-contact clashes (15) ✗ Many internal clashes (21)
Score
-14.167
kcal/mol
LE
-0.330
kcal/mol/HA
Fit Quality
-3.50
FQ (Leeson)
HAC
43
heavy atoms
MW
600
Da
LogP
5.27
cLogP
Strain ΔE
56.9 kcal/mol
SASA buried
88%
Lipo contact
85% BSA apolar/total
SASA unbound
910 Ų
Apolar buried
680 Ų

Interaction summary

HB 3 HY 24 PI 4 CLASH 11
Final rank4.101Score-14.167
Inter norm-0.636Intra norm0.307
Top1000noExcludedno
Contacts21H-bonds3
Artifact reasongeometry warning; 21 clashes; 15 protein contact clashes; high strain Δ 56.8
Residues
ALA32 ARG97 ASP52 ILE45 LEU94 LYS57 LYS95 MET53 NDP301 PHE55 PHE56 PHE91 PRO93 THR180 THR54 TYR162 TYR178 VAL156 VAL30 VAL31 VAL87

Protein summary

225 residues
Protein targetT03Atoms3428
Residues225Chains2
Residue summaryLEU:380; ARG:360; VAL:272; LYS:264; ALA:240; GLU:240; PRO:224; PHE:180; THR:154; ILE:152; SER:132; TYR:126; GLN:119; ASN:98; GLY:84; 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.
Name3CL9Contacts20
PoseOpen native poseHB0
IFP residues
ALA32 ARG97 ASP52 ILE45 LEU94 LYS57 MET53 NDP301 PHE56 PHE91 PRO88 SER86 THR180 THR54 THR83 TYR162 VAL156 VAL30 VAL31 VAL87
Current overlap17Native recall0.85
Jaccard0.71RMSD-
HB strict2Strict recall0.29
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
62 1.5867119734264483 -0.597913 -22.3579 1 18 0 0.00 0.00 - no Open
63 1.9444565982844864 -0.440864 -16.2628 3 15 0 0.00 0.00 - no Open
54 2.0122605666535036 -0.586495 -22.6203 4 14 0 0.00 0.00 - no Open
66 4.100793611636282 -0.636299 -14.1672 3 21 17 0.85 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 -14.167kcal/mol
Ligand efficiency (LE) -0.3295kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -3.502
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 43HA

Physicochemical properties

Molecular weight 599.7Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.27
Lipinski: ≤ 5
Rotatable bonds 13

Conformational strain (MMFF94s)

Strain energy (ΔE) 56.88kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 109.20kcal/mol
Minimised FF energy 52.32kcal/mol

SASA & burial

✓ computed
SASA (unbound) 910.4Ų
Total solvent-accessible surface area of free ligand
BSA total 804.6Ų
Buried surface area upon binding
BSA apolar 680.4Ų
Hydrophobic contacts buried
BSA polar 124.2Ų
Polar contacts buried
Fraction buried 88.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1803.5Ų
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 1820.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 799.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)