FAIRMol

Z49890540

Pose ID 6013 Compound 228 Pose 595

DB SELECTIONDocking 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 Z49890540

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 high Native mixed SASA done
Strain ΔE
15.5 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.29, Jaccard 0.23, H-bond role recall 0.00
Burial
83%
Hydrophobic fit
75%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.979 kcal/mol/HA) ✓ Good fit quality (FQ -8.90) ✓ Good H-bonds (5 bonds) ✓ Deep burial (83% SASA buried) ✓ Lipophilic contacts well-matched (75%) ✗ Moderate strain (15.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-24.472
kcal/mol
LE
-0.979
kcal/mol/HA
Fit Quality
-8.90
FQ (Leeson)
HAC
25
heavy atoms
MW
348
Da
LogP
4.61
cLogP
Strain ΔE
15.5 kcal/mol
SASA buried
83%
Lipo contact
75% BSA apolar/total
SASA unbound
562 Ų
Apolar buried
352 Ų

Interaction summary

HB 5 HY 24 PI 1 CLASH 1

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 rank1.801Score-24.472
Inter norm-1.057Intra norm0.078
Top1000noExcludedno
Contacts11H-bonds5
Artifact reasongeometry warning; 12 clashes; 1 protein clash; 1 cofactor-context clash
Residues
NDP301 ARG48 ILE45 MET53 PRO50 PRO88 SER44 SER86 TRP47 VAL49 VAL87

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 overlap6Native recall0.29
Jaccard0.23RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
602 0.11430096132212113 -1.27135 -29.7382 5 12 0 0.00 0.00 - no Open
616 0.8791360147483075 -0.830152 -18.6899 4 13 0 0.00 0.00 - no Open
601 1.2194364801494049 -1.02909 -25.5113 4 16 0 0.00 0.00 - no Open
612 1.5874584481341056 -1.13378 -28.2176 3 15 0 0.00 0.00 - no Open
595 1.8006179207427564 -1.05666 -24.4722 5 11 6 0.29 0.00 - no Current
599 3.4431675101061257 -0.887757 -22.4323 8 13 0 0.00 0.00 - no Open
611 4.478348342907414 -1.13978 -27.4314 7 9 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 -24.472kcal/mol
Ligand efficiency (LE) -0.9789kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.899
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 25HA

Physicochemical properties

Molecular weight 348.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.61
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 15.47kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 65.50kcal/mol
Minimised FF energy 50.03kcal/mol

SASA & burial

✓ computed
SASA (unbound) 562.4Ų
Total solvent-accessible surface area of free ligand
BSA total 469.0Ų
Buried surface area upon binding
BSA apolar 352.3Ų
Hydrophobic contacts buried
BSA polar 116.6Ų
Polar contacts buried
Fraction buried 83.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 75.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3151.3Ų
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 4428.5Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1714.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)