FAIRMol

Z25403655

Pose ID 5982 Compound 2987 Pose 564

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T09
L. major DHFR-TS L. major
Ligand Z25403655

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 strong Geometry medium Native mixed SASA done
Strain ΔE
28.8 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.48, Jaccard 0.40, H-bond role recall 0.17
Burial
76%
Hydrophobic fit
63%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.826 kcal/mol/HA) ✓ Good fit quality (FQ -7.89) ✓ Good H-bonds (4 bonds) ✓ Deep burial (76% SASA buried) ✓ Lipophilic contacts well-matched (63%) ✗ High strain energy (28.8 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-23.956
kcal/mol
LE
-0.826
kcal/mol/HA
Fit Quality
-7.89
FQ (Leeson)
HAC
29
heavy atoms
MW
433
Da
LogP
3.50
cLogP
Strain ΔE
28.8 kcal/mol
SASA buried
76%
Lipo contact
63% BSA apolar/total
SASA unbound
698 Ų
Apolar buried
333 Ų

Interaction summary

HB 4 HY 24 PI 0 CLASH 4

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

Final rank2.316Score-23.956
Inter norm-0.873Intra norm0.047
Top1000noExcludedno
Contacts14H-bonds4
Artifact reasongeometry warning; 9 clashes; 1 protein clash; moderate strain Δ 28.8
Residues
NDP301 ALA32 ARG48 ASP52 ILE45 MET53 PHE56 PRO50 TRP47 TYR162 VAL156 VAL30 VAL31 VAL49

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name3CL9Contacts21
PoseOpen native poseHB0
IFP residues
NDP301 ALA32 ARG97 ASP52 GLY157 ILE45 LEU94 LYS57 MET53 PHE55 PHE56 PHE91 PRO88 SER86 THR180 THR83 TYR162 VAL156 VAL30 VAL31 VAL87
Current overlap10Native recall0.48
Jaccard0.40RMSD-
HB strict0Strict recall0.00
HB same residue+role1HB role recall0.17
HB same residue1HB residue recall0.17

Protein summary

511 residues
Protein targetT09Atoms8170
Residues511Chains2
Residue summaryLEU:1064; ARG:840; LYS:572; GLU:570; VAL:528; PHE:460; ILE:456; ALA:440; PRO:420; THR:406; TYR:357; ASP:312; GLN:289; ASN:238; SER:231; GLY:224

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
560 0.4219802112234943 -1.115 -30.3827 5 14 0 0.00 0.00 - no Open
562 1.4283150224008307 -0.752873 -21.3542 9 10 0 0.00 0.00 - no Open
587 1.5034175836679107 -0.759669 -18.4209 8 12 0 0.00 0.00 - no Open
564 2.3157924979606697 -0.873015 -23.9565 4 14 10 0.48 0.17 - no Current
573 2.917700286713863 -0.733702 -21.1866 8 12 0 0.00 0.00 - no Open
578 2.9238356039284867 -0.81816 -24.7433 7 17 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 -23.956kcal/mol
Ligand efficiency (LE) -0.8261kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.886
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 432.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.50
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 28.78kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 89.98kcal/mol
Minimised FF energy 61.21kcal/mol

SASA & burial

✓ computed
SASA (unbound) 698.0Ų
Total solvent-accessible surface area of free ligand
BSA total 528.9Ų
Buried surface area upon binding
BSA apolar 332.7Ų
Hydrophobic contacts buried
BSA polar 196.2Ų
Polar contacts buried
Fraction buried 75.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 62.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3196.4Ų
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 4428.5Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1708.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)