FAIRMol

Z56574044

Pose ID 1884 Compound 1083 Pose 529

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 Z56574044

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
31.8 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.85, Jaccard 0.74, H-bond role recall 0.20
Burial
93%
Hydrophobic fit
77%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.716 kcal/mol/HA) ✓ Good fit quality (FQ -7.22) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Very high strain energy (31.8 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Internal clashes (8)
Score
-25.067
kcal/mol
LE
-0.716
kcal/mol/HA
Fit Quality
-7.22
FQ (Leeson)
HAC
35
heavy atoms
MW
556
Da
LogP
3.78
cLogP
Strain ΔE
31.8 kcal/mol
SASA buried
93%
Lipo contact
77% BSA apolar/total
SASA unbound
758 Ų
Apolar buried
547 Ų

Interaction summary

HB 1 HY 24 PI 2 CLASH 4
Final rank0.945Score-25.067
Inter norm-0.811Intra norm0.095
Top1000noExcludedno
Contacts20H-bonds1
Artifact reasongeometry warning; 8 clashes; 5 protein contact clashes; high strain Δ 31.8
Residues
ALA32 ARG48 ARG97 ASP52 ILE45 LEU94 LYS57 MET53 NDP301 PHE56 PHE91 PRO88 THR83 TRP47 TYR162 VAL156 VAL30 VAL31 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 overlap17Native recall0.85
Jaccard0.74RMSD-
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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
529 0.9445005848433938 -0.810999 -25.0673 1 20 17 0.85 0.20 - no Current
502 1.1795347138132308 -0.750608 -25.164 4 18 1 0.05 0.00 - no Open
510 3.0823164052983607 -0.731554 -19.1628 12 12 0 0.00 0.00 - no Open
520 3.5353181371270432 -0.696051 -19.5183 5 13 0 0.00 0.00 - no Open
542 4.023985359608445 -0.681281 -20.3873 6 19 0 0.00 0.00 - no Open
549 4.290601727260935 -0.720113 -19.7467 6 14 1 0.05 0.00 - no Open
507 4.7019393478823455 -0.65471 -21.0256 6 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 -25.067kcal/mol
Ligand efficiency (LE) -0.7162kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.224
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 35HA

Physicochemical properties

Molecular weight 556.1Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.78
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 31.78kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 5.64kcal/mol
Minimised FF energy -26.14kcal/mol

SASA & burial

✓ computed
SASA (unbound) 758.4Ų
Total solvent-accessible surface area of free ligand
BSA total 708.3Ų
Buried surface area upon binding
BSA apolar 547.4Ų
Hydrophobic contacts buried
BSA polar 160.9Ų
Polar contacts buried
Fraction buried 93.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1606.3Ų
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 803.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)