FAIRMol

Z19459210

Pose ID 1129 Compound 944 Pose 451

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 Z19459210
PDB5SD8

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
30.5 kcal/mol
Protein clashes
0
Internal clashes
11
Native overlap
contact recall 0.62, Jaccard 0.50, H-bond role recall 0.20
Burial
80%
Hydrophobic fit
57%
Reason: 11 internal clashes
11 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.613 kcal/mol/HA) ✓ Good fit quality (FQ -6.02) ✓ Good H-bonds (4 bonds) ✓ Deep burial (80% SASA buried) ✗ Very high strain energy (30.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-19.598
kcal/mol
LE
-0.613
kcal/mol/HA
Fit Quality
-6.02
FQ (Leeson)
HAC
32
heavy atoms
MW
458
Da
LogP
3.57
cLogP
Strain ΔE
30.5 kcal/mol
SASA buried
80%
Lipo contact
57% BSA apolar/total
SASA unbound
718 Ų
Apolar buried
328 Ų

Interaction summary

HB 4 HY 22 PI 3 CLASH 0

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

No clash · clashes detected for this pose.
Final rank2.501Score-19.598
Inter norm-0.801Intra norm0.189
Top1000noExcludedno
Contacts18H-bonds4
Artifact reasongeometry warning; 11 clashes; 1 protein clash; high strain Δ 30.5
Residues
ALA10 ARG29 ASN65 GLU31 ILE8 LEU23 LEU28 NAP201 PHE32 PHE35 PRO27 PRO62 THR137 THR57 TRP25 TYR34 VAL116 VAL9

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 overlap13Native recall0.62
Jaccard0.50RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
353 0.2677846330097941 -1.07537 -27.8222 8 17 0 0.00 0.00 - no Open
385 1.072504017808142 -0.997956 -27.1257 7 18 0 0.00 0.00 - no Open
335 1.9579738510770275 -1.01092 -28.7026 6 22 0 0.00 0.00 - no Open
382 2.0108526982107993 -0.822339 -20.3127 6 13 0 0.00 0.00 - no Open
380 2.3895493898087743 -0.733724 -19.5103 13 14 0 0.00 0.00 - no Open
451 2.500575774493837 -0.801352 -19.5984 4 18 13 0.62 0.20 - no Current
365 2.585210403258686 -0.744596 -11.1465 9 20 0 0.00 0.00 - no Open
397 3.1112027661132537 -0.667648 -14.8384 8 10 0 0.00 0.00 - no Open
398 3.193158610637237 -0.881209 -19.5521 15 18 0 0.00 0.00 - no Open
436 3.954326897652338 -0.726205 -12.1702 7 19 0 0.00 0.00 - no Open
337 4.153204340630617 -0.904158 -19.2488 9 13 0 0.00 0.00 - no Open
346 5.166667667365341 -0.742034 -19.6346 11 13 0 0.00 0.00 - no Open
361 5.606440624303128 -1.02946 -25.164 13 16 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 -19.598kcal/mol
Ligand efficiency (LE) -0.6125kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.023
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 32HA

Physicochemical properties

Molecular weight 458.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.57
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 30.51kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 107.78kcal/mol
Minimised FF energy 77.27kcal/mol

SASA & burial

✓ computed
SASA (unbound) 717.9Ų
Total solvent-accessible surface area of free ligand
BSA total 572.4Ų
Buried surface area upon binding
BSA apolar 327.6Ų
Hydrophobic contacts buried
BSA polar 244.8Ų
Polar contacts buried
Fraction buried 79.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 57.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1534.7Ų
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 603.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)