FAIRMol

Z49638306

Pose ID 1801 Compound 845 Pose 446

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 Z49638306

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 mixed SASA done
Strain ΔE
11.9 kcal/mol
Protein clashes
0
Internal clashes
15
Native overlap
contact recall 0.35, Jaccard 0.28, H-bond role recall 0.20
Burial
71%
Hydrophobic fit
83%
Reason: 15 internal clashes
15 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.086 kcal/mol/HA) ✓ Good fit quality (FQ -10.48) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (71% SASA buried) ✓ Lipophilic contacts well-matched (83%) ✗ Moderate strain (11.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (15)
Score
-32.582
kcal/mol
LE
-1.086
kcal/mol/HA
Fit Quality
-10.48
FQ (Leeson)
HAC
30
heavy atoms
MW
398
Da
LogP
3.86
cLogP
Strain ΔE
11.9 kcal/mol
SASA buried
71%
Lipo contact
83% BSA apolar/total
SASA unbound
640 Ų
Apolar buried
377 Ų

Interaction summary

HB 7 HY 17 PI 3 CLASH 0
Final rank3.148Score-32.582
Inter norm-1.075Intra norm-0.012
Top1000noExcludedno
Contacts12H-bonds7
Artifact reasongeometry warning; 15 clashes; 2 protein clashes
Residues
ARG92 ARG97 LEU94 LYS57 LYS90 LYS95 MET53 PHE56 PHE91 PRO50 PRO93 THR54

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 overlap7Native recall0.35
Jaccard0.28RMSD-
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
419 1.3698913484446682 -1.21986 -37.7354 9 14 0 0.00 0.00 - no Open
474 1.8432837421999981 -0.910572 -21.9565 8 18 0 0.00 0.00 - no Open
383 2.5312611190851566 -0.94378 -32.6909 6 12 0 0.00 0.00 - no Open
416 2.9837563668447795 -1.15112 -31.2989 12 22 0 0.00 0.00 - no Open
446 3.147913771556294 -1.07455 -32.5822 7 12 7 0.35 0.20 - no Current
443 3.27891113853971 -0.71915 -21.2671 8 15 0 0.00 0.00 - no Open
397 4.450463944905651 -0.904324 -25.6236 8 20 0 0.00 0.00 - no Open
405 4.779173564879599 -0.794952 -21.6784 7 14 0 0.00 0.00 - no Open
425 5.063047121982455 -0.974088 -31.2835 7 12 1 0.05 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 -32.582kcal/mol
Ligand efficiency (LE) -1.0861kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.477
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 398.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.86
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 11.91kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 118.53kcal/mol
Minimised FF energy 106.61kcal/mol

SASA & burial

✓ computed
SASA (unbound) 639.9Ų
Total solvent-accessible surface area of free ligand
BSA total 452.2Ų
Buried surface area upon binding
BSA apolar 376.9Ų
Hydrophobic contacts buried
BSA polar 75.3Ų
Polar contacts buried
Fraction buried 70.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 83.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1484.5Ų
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 859.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)