FAIRMol

5SD8

Pose ID 678 Compound 661

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 5SD8
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 weak Geometry medium Native strong SASA done
Strain ΔE
30.3 kcal/mol
Protein clashes
0
Internal clashes
0
Native overlap
contact recall 1.00, Jaccard 1.00, H-bond role recall 1.00
Burial
94%
Hydrophobic fit
79%
Reason: no major geometry red flags detected
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Good H-bonds (5 bonds) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ Very high strain energy (30.3 kcal/mol)
HAC
29
heavy atoms
MW
409
Da
LogP
2.43
cLogP
Strain ΔE
30.3 kcal/mol
SASA buried
94%
Lipo contact
79% BSA apolar/total
SASA unbound
635 Ų
Apolar buried
472 Ų

Interaction summary

HB 5 HY 18 PI 1 CLASH 0
Final rank-Score-
Inter norm-Intra norm-
Top1000noExcludedno
Contacts21H-bonds5
Artifact reasonNative reference ligand
Residues
ALA10 ASN65 ASP22 GLN36 GLU31 GLY117 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO62 SER60 THR137 THR57 TYR122 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 overlap21Native recall1.00
Jaccard1.00RMSD0.00 Å
HB strict5Strict recall1.00
HB same residue+role5HB role recall1.00
HB same residue5HB residue recall1.00

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
- ★ Native - - - 5 21 21 1.00 1.00 0.00 Å no Current
- - - - 5 21 21 1.00 1.00 - no Open

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Heavy atom count 29HA

Physicochemical properties

Molecular weight 409.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.43
Lipinski: ≤ 5
Rotatable bonds 13

Conformational strain (MMFF94s)

Strain energy (ΔE) 30.32kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -70.86kcal/mol
Minimised FF energy -101.18kcal/mol

SASA & burial

✓ computed
SASA (unbound) 635.4Ų
Total solvent-accessible surface area of free ligand
BSA total 596.5Ų
Buried surface area upon binding
BSA apolar 472.4Ų
Hydrophobic contacts buried
BSA polar 124.2Ų
Polar contacts buried
Fraction buried 93.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1575.5Ų
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 613.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)