FAIRMol

Z19138088

Pose ID 5813 Compound 651 Pose 395

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 Z19138088

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
24.4 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.52, Jaccard 0.46, H-bond role recall 0.00
Burial
77%
Hydrophobic fit
71%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.581 kcal/mol/HA) ✓ Good fit quality (FQ -5.81) ✓ Good H-bonds (5 bonds) ✓ Deep burial (77% SASA buried) ✓ Lipophilic contacts well-matched (71%) ✗ High strain energy (24.4 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (5) ✗ Many internal clashes (19)
Score
-19.751
kcal/mol
LE
-0.581
kcal/mol/HA
Fit Quality
-5.81
FQ (Leeson)
HAC
34
heavy atoms
MW
474
Da
LogP
4.20
cLogP
Strain ΔE
24.4 kcal/mol
SASA buried
77%
Lipo contact
71% BSA apolar/total
SASA unbound
738 Ų
Apolar buried
403 Ų

Interaction summary

HB 5 HY 24 PI 2 CLASH 3
Final rank2.050Score-19.751
Inter norm-0.787Intra norm0.206
Top1000noExcludedno
Contacts14H-bonds5
Artifact reasongeometry warning; 19 clashes; 5 protein contact clashes; 1 severe cofactor-context clash; moderate strain Δ 24.4
Residues
NDP301 ARG97 GLU43 ILE45 LEU94 LYS95 MET53 PHE56 PHE91 PRO88 SER44 SER86 THR83 VAL87

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

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
Jaccard0.46RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
435 1.9301717756467363 -0.72761 -23.752 6 16 0 0.00 0.00 - no Open
334 2.0263869649204853 -0.930222 -27.1777 3 21 0 0.00 0.00 - no Open
395 2.0501377984473983 -0.787007 -19.7508 5 14 11 0.52 0.00 - no Current
397 2.752858282721569 -0.800489 -23.9414 10 17 0 0.00 0.00 - no Open
396 2.7601535713818413 -0.591573 -16.9942 5 14 0 0.00 0.00 - no Open
381 2.9359635508409108 -0.793642 -19.3973 6 14 0 0.00 0.00 - no Open
450 3.1523302745872246 -0.760382 -22.134 3 18 0 0.00 0.00 - no Open
379 3.2188609293194674 -0.712407 -23.9203 8 17 0 0.00 0.00 - no Open
418 3.4321465037133247 -0.816749 -26.4904 4 18 1 0.05 0.00 - no Open
407 3.5524489581677203 -0.633858 -18.4382 7 15 0 0.00 0.00 - no Open
370 3.7807067079968997 -0.979467 -27.5375 10 15 0 0.00 0.00 - no Open
493 3.8486675627744926 -0.726729 -19.7364 7 15 0 0.00 0.00 - no Open
366 4.10912935177256 -0.834923 -27.5266 11 20 0 0.00 0.00 - no Open
336 4.160825631036783 -0.993151 -30.1156 5 15 0 0.00 0.00 - no Open
464 5.0362869852581325 -0.819442 -25.2435 6 21 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 -19.751kcal/mol
Ligand efficiency (LE) -0.5809kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -5.812
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 34HA

Physicochemical properties

Molecular weight 474.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.20
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.40kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 82.99kcal/mol
Minimised FF energy 58.59kcal/mol

SASA & burial

✓ computed
SASA (unbound) 737.5Ų
Total solvent-accessible surface area of free ligand
BSA total 569.4Ų
Buried surface area upon binding
BSA apolar 403.5Ų
Hydrophobic contacts buried
BSA polar 165.9Ų
Polar contacts buried
Fraction buried 77.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -3286.2Ų
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 1686.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)