FAIRMol

Z16027953

Pose ID 483 Compound 547 Pose 483

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 Z16027953
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
28.4 kcal/mol
Protein clashes
0
Internal clashes
15
Native overlap
contact recall 0.81, Jaccard 0.77, H-bond role recall 0.40
Burial
89%
Hydrophobic fit
77%
Reason: 15 internal clashes
15 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.704 kcal/mol/HA) ✓ Good fit quality (FQ -6.72) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (89% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ High strain energy (28.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-20.405
kcal/mol
LE
-0.704
kcal/mol/HA
Fit Quality
-6.72
FQ (Leeson)
HAC
29
heavy atoms
MW
394
Da
LogP
2.53
cLogP
Strain ΔE
28.4 kcal/mol
SASA buried
89%
Lipo contact
77% BSA apolar/total
SASA unbound
651 Ų
Apolar buried
443 Ų

Interaction summary

HB 10 HY 24 PI 1 CLASH 0
Final rank3.163Score-20.405
Inter norm-0.923Intra norm0.219
Top1000noExcludedno
Contacts18H-bonds10
Artifact reasongeometry warning; 15 clashes; 2 protein clashes; moderate strain Δ 28.4
Residues
ALA10 ASP22 GLU31 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE35 PRO62 SER60 THR137 THR57 TYR122 TYR34 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 overlap17Native recall0.81
Jaccard0.77RMSD-
HB strict2Strict recall0.40
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
403 1.071475001931634 -0.836178 -14.6246 4 16 0 0.00 0.00 - no Open
389 2.6962579124119785 -1.03911 -20.7889 8 20 0 0.00 0.00 - no Open
382 3.1225805765747747 -1.07129 -19.5439 6 19 0 0.00 0.00 - no Open
483 3.162700273375776 -0.922523 -20.4046 10 18 17 0.81 0.40 - 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 -20.405kcal/mol
Ligand efficiency (LE) -0.7036kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.716
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 394.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.53
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 28.44kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 62.04kcal/mol
Minimised FF energy 33.60kcal/mol

SASA & burial

✓ computed
SASA (unbound) 650.8Ų
Total solvent-accessible surface area of free ligand
BSA total 578.3Ų
Buried surface area upon binding
BSA apolar 443.2Ų
Hydrophobic contacts buried
BSA polar 135.1Ų
Polar contacts buried
Fraction buried 88.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1568.8Ų
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 619.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)