FAIRMol

KB_HAT_186

Pose ID 811 Compound 19 Pose 133

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T02
Human DHFR Human
Ligand KB_HAT_186
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
53.6 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.81, Jaccard 0.77, H-bond role recall 0.20
Burial
92%
Hydrophobic fit
90%
Reason: strain 53.6 kcal/mol
strain ΔE 53.6 kcal/mol 2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.870 kcal/mol/HA) ✓ Good fit quality (FQ -7.79) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (90%) ✗ Extreme strain energy (53.6 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (7)
Score
-20.872
kcal/mol
LE
-0.870
kcal/mol/HA
Fit Quality
-7.79
FQ (Leeson)
HAC
24
heavy atoms
MW
473
Da
LogP
3.08
cLogP
Strain ΔE
53.6 kcal/mol
SASA buried
92%
Lipo contact
90% BSA apolar/total
SASA unbound
612 Ų
Apolar buried
504 Ų

Interaction summary

HB 2 HY 24 PI 1 CLASH 2
Final rank1.310Score-20.872
Inter norm-1.117Intra norm0.248
Top1000noExcludedno
Contacts18H-bonds2
Artifact reasongeometry warning; 7 clashes; 1 protein clash; high strain Δ 53.6
Residues
ALA10 ASP22 GLU31 GLY117 GLY21 ILE61 ILE8 LEU23 NAP201 PHE32 PHE35 SER60 THR137 THR57 TYR122 TYR34 VAL116 VAL9

Protein summary

200 residues
Protein targetT02Atoms3128
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 overlap17Native recall0.81
Jaccard0.77RMSD-
HB strict1Strict recall0.20
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
110 0.05545004169084947 -1.13326 -22.6829 2 18 0 0.00 0.00 - no Open
102 0.21457653819178174 -1.11276 -24.3289 4 18 0 0.00 0.00 - no Open
144 0.3618179180534178 -1.15872 -23.2936 3 16 15 0.71 0.20 - no Open
147 1.0993844137313031 -0.962226 -18.037 8 14 0 0.00 0.00 - no Open
133 1.3099080697784058 -1.11735 -20.8724 2 18 17 0.81 0.20 - no Current
81 2.4262362828667863 -1.17453 -23.9938 5 17 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 -20.872kcal/mol
Ligand efficiency (LE) -0.8697kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.794
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 473.2Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.08
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 53.55kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -57.72kcal/mol
Minimised FF energy -111.27kcal/mol

SASA & burial

✓ computed
SASA (unbound) 611.9Ų
Total solvent-accessible surface area of free ligand
BSA total 561.2Ų
Buried surface area upon binding
BSA apolar 503.9Ų
Hydrophobic contacts buried
BSA polar 57.3Ų
Polar contacts buried
Fraction buried 91.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 89.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1586.7Ų
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 608.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)