FAIRMol

Z56833421

Pose ID 1919 Compound 1330 Pose 564

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 Z56833421

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native mixed SASA done
Strain ΔE
47.2 kcal/mol
Protein clashes
0
Internal clashes
6
Native overlap
contact recall 0.45, Jaccard 0.38, H-bond role recall 0.20
Burial
87%
Hydrophobic fit
70%
Reason: 6 internal clashes, strain 47.2 kcal/mol
strain ΔE 47.2 kcal/mol 6 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.968 kcal/mol/HA) ✓ Good fit quality (FQ -8.92) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (87% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ Extreme strain energy (47.2 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-25.165
kcal/mol
LE
-0.968
kcal/mol/HA
Fit Quality
-8.92
FQ (Leeson)
HAC
26
heavy atoms
MW
378
Da
LogP
1.63
cLogP
Strain ΔE
47.2 kcal/mol
SASA buried
87%
Lipo contact
70% BSA apolar/total
SASA unbound
631 Ų
Apolar buried
383 Ų

Interaction summary

HB 9 HY 20 PI 3 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 rank2.735Score-25.165
Inter norm-1.168Intra norm0.200
Top1000noExcludedno
Contacts13H-bonds9
Artifact reasongeometry warning; 6 clashes; 2 protein clashes; high strain Δ 47.2
Residues
ARG92 ARG97 ILE45 LEU94 LYS57 LYS90 LYS95 MET53 PHE56 PHE91 PRO88 PRO93 VAL87

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 overlap9Native recall0.45
Jaccard0.38RMSD-
HB strict1Strict recall0.14
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
556 0.11596813759084199 -0.968374 -25.5318 2 12 0 0.00 0.00 - no Open
539 0.3230390714061431 -1.64167 -41.9215 15 16 0 0.00 0.00 - no Open
548 0.36486237230405694 -1.47787 -38.8504 14 15 0 0.00 0.00 - no Open
542 0.8356380487075427 -1.25865 -29.071 12 14 0 0.00 0.00 - no Open
550 1.6297456967667494 -1.06544 -27.514 7 16 1 0.05 0.00 - no Open
563 2.6627752207943693 -1.24435 -27.5218 13 25 0 0.00 0.00 - no Open
564 2.735087330024168 -1.16799 -25.1652 9 13 9 0.45 0.20 - no Current
555 3.509533437630628 -1.24622 -31.2421 10 20 0 0.00 0.00 - no Open
577 4.092527184804983 -1.02633 -20.5964 11 12 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 -25.165kcal/mol
Ligand efficiency (LE) -0.9679kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.918
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 378.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.63
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 47.21kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 128.77kcal/mol
Minimised FF energy 81.56kcal/mol

SASA & burial

✓ computed
SASA (unbound) 631.4Ų
Total solvent-accessible surface area of free ligand
BSA total 547.5Ų
Buried surface area upon binding
BSA apolar 383.4Ų
Hydrophobic contacts buried
BSA polar 164.0Ų
Polar contacts buried
Fraction buried 86.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1473.2Ų
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 1820.7Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 790.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)