FAIRMol

KB_HAT_192

Pose ID 1484 Compound 773 Pose 129

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 KB_HAT_192

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
51.4 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.90, Jaccard 0.78, H-bond role recall 0.20
Burial
91%
Hydrophobic fit
82%
Reason: strain 51.4 kcal/mol
strain ΔE 51.4 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.763 kcal/mol/HA) ✓ Good fit quality (FQ -7.57) ✓ Deep burial (91% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ Extreme strain energy (51.4 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Many internal clashes (14)
Score
-25.185
kcal/mol
LE
-0.763
kcal/mol/HA
Fit Quality
-7.57
FQ (Leeson)
HAC
33
heavy atoms
MW
467
Da
LogP
2.20
cLogP
Strain ΔE
51.4 kcal/mol
SASA buried
91%
Lipo contact
82% BSA apolar/total
SASA unbound
793 Ų
Apolar buried
590 Ų

Interaction summary

HB 1 HY 24 PI 3 CLASH 1

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 rank1.154Score-25.185
Inter norm-0.811Intra norm0.048
Top1000noExcludedno
Contacts21H-bonds1
Artifact reasongeometry warning; 14 clashes; 2 protein contact clashes; high strain Δ 51.2
Residues
ALA32 ARG97 ASP52 ILE45 LEU94 LYS57 LYS95 MET53 MET79 NDP301 PHE56 PHE91 PRO93 THR180 THR54 THR83 TYR162 VAL156 VAL30 VAL31 VAL87

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 overlap18Native recall0.90
Jaccard0.78RMSD-
HB strict1Strict recall0.14
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
129 1.1535907324493213 -0.811154 -25.1852 1 21 18 0.90 0.20 - no Current
136 1.293962847607374 -0.86539 -22.1433 5 18 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 -25.185kcal/mol
Ligand efficiency (LE) -0.7632kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.572
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 466.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.20
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 51.40kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 36.21kcal/mol
Minimised FF energy -15.19kcal/mol

SASA & burial

✓ computed
SASA (unbound) 793.3Ų
Total solvent-accessible surface area of free ligand
BSA total 721.3Ų
Buried surface area upon binding
BSA apolar 590.0Ų
Hydrophobic contacts buried
BSA polar 131.3Ų
Polar contacts buried
Fraction buried 90.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1657.6Ų
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 1820.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 821.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)