FAIRMol

Z44848695

Pose ID 5845 Compound 635 Pose 427

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 Z44848695

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
23.3 kcal/mol
Protein clashes
0
Internal clashes
14
Native overlap
contact recall 0.52, Jaccard 0.44, H-bond role recall 0.00
Burial
80%
Hydrophobic fit
79%
Reason: 14 internal clashes
14 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.879 kcal/mol/HA) ✓ Good fit quality (FQ -8.72) ✓ Deep burial (80% SASA buried) ✓ Lipophilic contacts well-matched (79%) ✗ High strain energy (23.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-29.016
kcal/mol
LE
-0.879
kcal/mol/HA
Fit Quality
-8.72
FQ (Leeson)
HAC
33
heavy atoms
MW
437
Da
LogP
4.75
cLogP
Strain ΔE
23.3 kcal/mol
SASA buried
80%
Lipo contact
79% BSA apolar/total
SASA unbound
718 Ų
Apolar buried
456 Ų

Interaction summary

HB 2 HY 24 PI 2 CLASH 0

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.
Final rank2.156Score-29.016
Inter norm-0.810Intra norm-0.069
Top1000noExcludedno
Contacts15H-bonds2
Artifact reasongeometry warning; 14 clashes; 1 protein clash; moderate strain Δ 23.3
Residues
NDP301 ALA32 ARG48 ASP52 ILE45 LEU94 LYS57 MET53 PHE56 PHE91 PRO50 PRO88 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 overlap11Native recall0.52
Jaccard0.44RMSD-
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
394 1.5511473651921004 -1.11002 -33.6375 6 17 0 0.00 0.00 - no Open
427 2.155713059795852 -0.809808 -29.0159 2 15 11 0.52 0.00 - no Current
429 2.2027243072175025 -0.596559 -19.3192 4 9 0 0.00 0.00 - no Open
400 2.3769900297927964 -0.864096 -29.2758 8 18 0 0.00 0.00 - no Open
477 2.5118889280486956 -0.921659 -28.9271 3 15 0 0.00 0.00 - no Open
423 2.6973180339470275 -0.991555 -32.4439 5 16 0 0.00 0.00 - no Open
512 2.878072317435572 -0.737357 -22.0076 5 13 0 0.00 0.00 - no Open
424 3.482811106572005 -0.747623 -32.1977 7 16 0 0.00 0.00 - no Open
447 3.985364387552201 -0.680606 -23.5838 2 13 0 0.00 0.00 - no Open
486 4.241488649191899 -0.865383 -24.9832 3 19 0 0.00 0.00 - no Open
420 5.506531047686867 -1.05786 -36.8603 15 25 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 -29.016kcal/mol
Ligand efficiency (LE) -0.8793kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.724
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 437.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.75
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 23.26kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 123.20kcal/mol
Minimised FF energy 99.94kcal/mol

SASA & burial

✓ computed
SASA (unbound) 717.8Ų
Total solvent-accessible surface area of free ligand
BSA total 574.8Ų
Buried surface area upon binding
BSA apolar 455.7Ų
Hydrophobic contacts buried
BSA polar 119.0Ų
Polar contacts buried
Fraction buried 80.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 79.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3345.2Ų
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 1659.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)