FAIRMol

Z49596617

Pose ID 1815 Compound 1277 Pose 460

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T03
L. major DHFR L. major
Ligand Z49596617

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
40.8 kcal/mol
Protein clashes
0
Internal clashes
18
Native overlap
contact recall 0.80, Jaccard 0.73, H-bond role recall 0.20
Burial
94%
Hydrophobic fit
80%
Reason: 18 internal clashes
18 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.035 kcal/mol/HA) ✓ Good fit quality (FQ -10.08) ✓ Deep burial (94% SASA buried) ✓ Lipophilic contacts well-matched (80%) ✗ Extreme strain energy (40.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (18)
Score
-32.080
kcal/mol
LE
-1.035
kcal/mol/HA
Fit Quality
-10.08
FQ (Leeson)
HAC
31
heavy atoms
MW
438
Da
LogP
3.59
cLogP
Strain ΔE
40.8 kcal/mol
SASA buried
94%
Lipo contact
80% BSA apolar/total
SASA unbound
682 Ų
Apolar buried
509 Ų

Interaction summary

HB 2 HY 24 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 rank2.303Score-32.080
Inter norm-1.002Intra norm-0.033
Top1000noExcludedno
Contacts18H-bonds2
Artifact reasongeometry warning; 18 clashes; 1 protein clash; high strain Δ 40.8
Residues
ALA32 ARG97 ASP52 ILE45 LEU94 LYS57 LYS95 MET53 NDP301 PHE56 PHE91 PRO88 PRO93 THR83 VAL156 VAL30 VAL31 VAL87

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name3CL9Contacts20
PoseOpen native poseHB0
IFP residues
ALA32 ARG97 ASP52 ILE45 LEU94 LYS57 MET53 NDP301 PHE56 PHE91 PRO88 SER86 THR180 THR54 THR83 TYR162 VAL156 VAL30 VAL31 VAL87
Current overlap16Native recall0.80
Jaccard0.73RMSD-
HB strict2Strict recall0.29
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

Protein summary

225 residues
Protein targetT03Atoms3428
Residues225Chains2
Residue summaryLEU:380; ARG:360; VAL:272; LYS:264; ALA:240; GLU:240; PRO:224; PHE:180; THR:154; ILE:152; SER:132; TYR:126; GLN:119; ASN:98; GLY:84; NDP:74

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:NDP301

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
460 2.3029903446472857 -1.00155 -32.0799 2 18 16 0.80 0.20 - no Current
523 2.993847867965556 -0.752109 -22.9605 4 14 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 -32.080kcal/mol
Ligand efficiency (LE) -1.0348kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.082
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 437.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.59
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 40.80kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 99.25kcal/mol
Minimised FF energy 58.45kcal/mol

SASA & burial

✓ computed
SASA (unbound) 681.9Ų
Total solvent-accessible surface area of free ligand
BSA total 640.2Ų
Buried surface area upon binding
BSA apolar 509.2Ų
Hydrophobic contacts buried
BSA polar 131.0Ų
Polar contacts buried
Fraction buried 93.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1568.5Ų
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 1820.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 789.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)