FAIRMol

Z1820095916

Pose ID 2000 Compound 325 Pose 645

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 Z1820095916

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
33.3 kcal/mol
Protein clashes
0
Internal clashes
11
Native overlap
contact recall 0.55, Jaccard 0.46, H-bond role recall 0.20
Burial
86%
Hydrophobic fit
91%
Reason: 11 internal clashes
11 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.787 kcal/mol/HA) ✓ Good fit quality (FQ -7.81) ✓ Deep burial (86% SASA buried) ✓ Lipophilic contacts well-matched (91%) ✗ Very high strain energy (33.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-25.968
kcal/mol
LE
-0.787
kcal/mol/HA
Fit Quality
-7.81
FQ (Leeson)
HAC
33
heavy atoms
MW
460
Da
LogP
4.71
cLogP
Strain ΔE
33.3 kcal/mol
SASA buried
86%
Lipo contact
91% BSA apolar/total
SASA unbound
779 Ų
Apolar buried
608 Ų

Interaction summary

HB 2 HY 24 PI 1 CLASH 0
Final rank1.832Score-25.968
Inter norm-0.807Intra norm0.020
Top1000noExcludedno
Contacts15H-bonds2
Artifact reasongeometry warning; 11 clashes; 1 protein clash; high strain Δ 33.3
Residues
ARG48 ARG97 ASP52 ILE45 LEU94 LYS57 LYS95 MET53 PHE56 PHE91 PRO88 SER86 TRP47 VAL49 VAL87

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

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 overlap11Native recall0.55
Jaccard0.46RMSD-
HB strict2Strict recall0.29
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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
647 0.9564035288325818 -0.763956 -26.0115 1 14 0 0.00 0.00 - no Open
630 0.9938528999897127 -0.775974 -23.4958 2 16 1 0.05 0.00 - no Open
632 1.6797989014706705 -0.781742 -26.0159 2 18 0 0.00 0.00 - no Open
645 1.832386062812733 -0.807099 -25.9677 2 15 11 0.55 0.20 - no Current
631 1.9864670153724107 -0.831354 -26.7758 1 19 0 0.00 0.00 - no Open
654 3.496808521056955 -0.751494 -22.9985 3 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 -25.968kcal/mol
Ligand efficiency (LE) -0.7869kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.807
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 459.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.71
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 33.29kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -70.89kcal/mol
Minimised FF energy -104.18kcal/mol

SASA & burial

✓ computed
SASA (unbound) 779.2Ų
Total solvent-accessible surface area of free ligand
BSA total 669.6Ų
Buried surface area upon binding
BSA apolar 608.2Ų
Hydrophobic contacts buried
BSA polar 61.4Ų
Polar contacts buried
Fraction buried 85.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 90.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1712.6Ų
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 815.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)