FAIRMol

Z235511374

Pose ID 1878 Compound 13 Pose 523

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 Z235511374

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
31.1 kcal/mol
Protein clashes
0
Internal clashes
6
Native overlap
contact recall 0.55, Jaccard 0.48, H-bond role recall 0.20
Burial
92%
Hydrophobic fit
68%
Reason: 6 internal clashes
6 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.026 kcal/mol/HA) ✓ Good fit quality (FQ -8.91) ✓ Good H-bonds (5 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (68%) ✗ Very high strain energy (31.1 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-22.583
kcal/mol
LE
-1.026
kcal/mol/HA
Fit Quality
-8.91
FQ (Leeson)
HAC
22
heavy atoms
MW
331
Da
LogP
3.44
cLogP
Strain ΔE
31.1 kcal/mol
SASA buried
92%
Lipo contact
68% BSA apolar/total
SASA unbound
569 Ų
Apolar buried
358 Ų

Interaction summary

HB 5 HY 19 PI 2 CLASH 0
Final rank1.119Score-22.583
Inter norm-1.208Intra norm0.182
Top1000noExcludedno
Contacts14H-bonds5
Artifact reasongeometry warning; 6 clashes; 1 protein clash; high strain Δ 31.1
Residues
ALA32 ARG92 ARG97 ASP52 ILE45 LEU94 LYS57 LYS95 MET53 NDP301 PHE56 PHE91 PRO93 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
Jaccard0.48RMSD-
HB strict1Strict recall0.14
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
498 0.277110928238548 -1.1663 -24.1398 5 15 1 0.05 0.00 - no Open
543 0.2814085707376848 -1.28181 -23.8629 6 18 0 0.00 0.00 - no Open
497 0.3261405134134158 -1.12693 -25.036 1 16 1 0.05 0.00 - no Open
523 0.7425493178553388 -1.13066 -24.5514 11 14 0 0.00 0.00 - no Open
523 1.118607833921333 -1.20811 -22.5833 5 14 11 0.55 0.20 - no Current
510 1.3649241206005485 -1.15 -20.093 5 15 0 0.00 0.00 - no Open
488 1.4922564307741122 -1.4707 -26.2212 7 19 0 0.00 0.00 - no Open
560 1.7657177566461795 -1.1595 -25.6991 7 16 0 0.00 0.00 - no Open
505 2.3175673752518597 -0.992997 -20.4526 5 11 0 0.00 0.00 - no Open
482 2.392174964889073 -1.5365 -31.914 7 15 0 0.00 0.00 - no Open
502 2.4832411156841925 -1.46125 -30.4633 8 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 -22.583kcal/mol
Ligand efficiency (LE) -1.0265kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.912
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 22HA

Physicochemical properties

Molecular weight 331.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.44
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 31.10kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 25.61kcal/mol
Minimised FF energy -5.49kcal/mol

SASA & burial

✓ computed
SASA (unbound) 568.6Ų
Total solvent-accessible surface area of free ligand
BSA total 525.5Ų
Buried surface area upon binding
BSA apolar 358.0Ų
Hydrophobic contacts buried
BSA polar 167.6Ų
Polar contacts buried
Fraction buried 92.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 68.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1395.0Ų
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 814.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)