FAIRMol

Z33480205

Pose ID 519 Compound 308 Pose 519

DB fairmolDocking 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 Z33480205
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
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
34.4 kcal/mol
Protein clashes
1
Internal clashes
2
Native overlap
contact recall 0.62, Jaccard 0.59, H-bond role recall 0.00
Burial
79%
Hydrophobic fit
85%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.102 kcal/mol/HA) ✓ Good fit quality (FQ -10.29) ✓ Deep burial (79% SASA buried) ✓ Lipophilic contacts well-matched (85%) ✗ Very high strain energy (34.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-29.765
kcal/mol
LE
-1.102
kcal/mol/HA
Fit Quality
-10.29
FQ (Leeson)
HAC
27
heavy atoms
MW
359
Da
LogP
2.70
cLogP
Strain ΔE
34.4 kcal/mol
SASA buried
79%
Lipo contact
85% BSA apolar/total
SASA unbound
644 Ų
Apolar buried
432 Ų

Interaction summary

HB 2 HY 17 PI 1 CLASH 2

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 rank1.926Score-29.765
Inter norm-0.995Intra norm-0.107
Top1000noExcludedno
Contacts14H-bonds2
Artifact reasongeometry warning; 11 clashes; 1 protein clash; 2 cofactor-context clashes; high strain Δ 34.4
Residues
ALA10 ASP22 GLY21 ILE8 LEU23 NAP201 PHE35 PRO27 PRO62 SER60 THR57 TYR122 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
Jaccard0.59RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
472 0.4377893302794625 -0.950392 -26.2449 0 11 0 0.00 0.00 - no Open
70 0.47106599804211174 -0.932342 -26.3572 0 12 0 0.00 0.00 - no Open
468 0.6892648734294643 -1.20281 -32.8902 7 13 0 0.00 0.00 - no Open
435 1.2154656197774207 -1.20918 -33.9917 9 16 0 0.00 0.00 - no Open
509 1.673956140477069 -1.03134 -29.6551 2 15 14 0.67 0.00 - no Open
519 1.9262872169038363 -0.995405 -29.7653 2 14 13 0.62 0.00 - no Current
494 3.039605889023859 -1.13239 -31.7742 5 15 0 0.00 0.00 - no Open
454 3.2164434138782974 -1.00198 -27.9483 10 16 0 0.00 0.00 - no Open
478 3.3020607865760265 -0.914987 -27.3309 9 15 0 0.00 0.00 - no Open
479 3.505705638707487 -0.714533 -21.8412 6 11 0 0.00 0.00 - no Open
496 3.6376046883594673 -0.802309 -23.1254 6 12 0 0.00 0.00 - no Open
98 3.939670025094264 -0.990476 -27.5314 10 16 0 0.00 0.00 - no Open
160 4.374456075611729 -0.732508 -20.3753 8 11 0 0.00 0.00 - no Open
117 4.576376594729494 -1.06666 -30.2454 6 15 0 0.00 0.00 - no Open
455 6.222747976212252 -1.01947 -28.54 12 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 -29.765kcal/mol
Ligand efficiency (LE) -1.1024kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.285
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 359.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.70
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 34.41kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 154.63kcal/mol
Minimised FF energy 120.22kcal/mol

SASA & burial

✓ computed
SASA (unbound) 644.1Ų
Total solvent-accessible surface area of free ligand
BSA total 510.6Ų
Buried surface area upon binding
BSA apolar 431.9Ų
Hydrophobic contacts buried
BSA polar 78.7Ų
Polar contacts buried
Fraction buried 79.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1569.8Ų
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 650.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)