FAIRMol

Z56789391

Pose ID 466 Compound 585 Pose 466

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 Z56789391
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 mixed SASA done
Strain ΔE
31.7 kcal/mol
Protein clashes
0
Internal clashes
9
Native overlap
contact recall 0.52, Jaccard 0.44, H-bond role recall 0.40
Burial
88%
Hydrophobic fit
68%
Reason: 9 internal clashes
9 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.035 kcal/mol/HA) ✓ Good fit quality (FQ -9.14) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (68%) ✗ Very high strain energy (31.7 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-23.814
kcal/mol
LE
-1.035
kcal/mol/HA
Fit Quality
-9.14
FQ (Leeson)
HAC
23
heavy atoms
MW
328
Da
LogP
2.78
cLogP
Strain ΔE
31.7 kcal/mol
SASA buried
88%
Lipo contact
68% BSA apolar/total
SASA unbound
541 Ų
Apolar buried
323 Ų

Interaction summary

HB 8 HY 20 PI 1 CLASH 0
Final rank3.510Score-23.814
Inter norm-1.138Intra norm0.102
Top1000noExcludedno
Contacts15H-bonds8
Artifact reasongeometry warning; 9 clashes; 3 protein clashes; high strain Δ 31.7
Residues
ALA10 GLU31 GLY117 ILE139 ILE61 LEU23 LEU28 NAP201 PHE32 PRO27 SER60 THR57 TRP25 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 overlap11Native recall0.52
Jaccard0.44RMSD-
HB strict1Strict recall0.20
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
438 1.5935778613322662 -1.05764 -23.7128 7 15 0 0.00 0.00 - no Open
383 1.8986792723681687 -1.0428 -22.2131 1 13 0 0.00 0.00 - no Open
495 2.850161246790037 -1.0661 -22.9728 9 11 0 0.00 0.00 - no Open
370 3.4477172158172777 -1.11623 -21.359 11 12 0 0.00 0.00 - no Open
466 3.509598316790688 -1.13775 -23.8142 8 15 11 0.52 0.40 - no Current
469 4.372722701036715 -1.15166 -25.5918 8 11 0 0.00 0.00 - no Open
420 4.56124354577558 -1.22661 -24.6376 10 11 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 -23.814kcal/mol
Ligand efficiency (LE) -1.0354kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.138
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 328.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.78
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 31.75kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 115.72kcal/mol
Minimised FF energy 83.97kcal/mol

SASA & burial

✓ computed
SASA (unbound) 541.0Ų
Total solvent-accessible surface area of free ligand
BSA total 474.6Ų
Buried surface area upon binding
BSA apolar 322.5Ų
Hydrophobic contacts buried
BSA polar 152.1Ų
Polar contacts buried
Fraction buried 87.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 68.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1444.8Ų
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 617.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)