FAIRMol

Z50086561

Pose ID 6022 Compound 2570 Pose 604

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 Z50086561

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 mixed SASA done
Strain ΔE
41.2 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.48, Jaccard 0.40, H-bond role recall 0.17
Burial
86%
Hydrophobic fit
81%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.061 kcal/mol/HA) ✓ Good fit quality (FQ -9.37) ✓ Good H-bonds (5 bonds) ✓ Deep burial (86% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ Extreme strain energy (41.2 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (8)
Score
-24.413
kcal/mol
LE
-1.061
kcal/mol/HA
Fit Quality
-9.37
FQ (Leeson)
HAC
23
heavy atoms
MW
310
Da
LogP
-2.09
cLogP
Strain ΔE
41.2 kcal/mol
SASA buried
86%
Lipo contact
81% BSA apolar/total
SASA unbound
568 Ų
Apolar buried
394 Ų

Interaction summary

HB 5 HY 24 PI 1 CLASH 2

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

Final rank1.498Score-24.413
Inter norm-1.104Intra norm0.043
Top1000noExcludedno
Contacts14H-bonds5
Artifact reasongeometry warning; 8 clashes; 1 protein clash; high strain Δ 41.2
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
604 1.498234947471824 -1.10444 -24.413 5 14 10 0.48 0.17 - no Current
608 1.7338307745793855 -1.00438 -21.9775 1 17 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 -24.413kcal/mol
Ligand efficiency (LE) -1.0614kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.368
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 310.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) -2.09
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 41.21kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 130.41kcal/mol
Minimised FF energy 89.20kcal/mol

SASA & burial

✓ computed
SASA (unbound) 568.2Ų
Total solvent-accessible surface area of free ligand
BSA total 487.1Ų
Buried surface area upon binding
BSA apolar 394.3Ų
Hydrophobic contacts buried
BSA polar 92.8Ų
Polar contacts buried
Fraction buried 85.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3210.2Ų
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 1693.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)