FAIRMol

Z68347375

Pose ID 1865 Compound 1338 Pose 510

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 Z68347375

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
57.4 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.40, Jaccard 0.33, H-bond role recall 0.20
Burial
79%
Hydrophobic fit
78%
Reason: strain 57.4 kcal/mol
strain ΔE 57.4 kcal/mol 1 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.846 kcal/mol/HA) ✓ Good fit quality (FQ -8.07) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (79% SASA buried) ✓ Lipophilic contacts well-matched (78%) ✗ Extreme strain energy (57.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-24.526
kcal/mol
LE
-0.846
kcal/mol/HA
Fit Quality
-8.07
FQ (Leeson)
HAC
29
heavy atoms
MW
384
Da
LogP
3.08
cLogP
Strain ΔE
57.4 kcal/mol
SASA buried
79%
Lipo contact
78% BSA apolar/total
SASA unbound
643 Ų
Apolar buried
400 Ų

Interaction summary

HB 6 HY 23 PI 3 CLASH 1
Final rank2.778Score-24.526
Inter norm-0.913Intra norm0.068
Top1000noExcludedno
Contacts12H-bonds6
Artifact reasongeometry warning; 14 clashes; 1 protein clash; high strain Δ 57.4
Residues
ARG97 LEU94 LYS57 LYS90 LYS95 MET53 PHE56 PHE91 PRO50 PRO93 THR54 VAL87

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

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 overlap8Native recall0.40
Jaccard0.33RMSD-
HB strict2Strict recall0.29
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

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
490 1.7537992888862641 -1.02991 -31.929 9 16 0 0.00 0.00 - no Open
510 2.7776297499552585 -0.913277 -24.5256 6 12 8 0.40 0.20 - no Current
490 3.0102673198467875 -1.09437 -36.7781 6 14 0 0.00 0.00 - no Open
476 3.201813221844428 -1.11372 -39.2841 11 17 0 0.00 0.00 - no Open
463 3.371347263661328 -1.15929 -38.3001 5 16 0 0.00 0.00 - no Open
492 3.58544371075322 -1.07046 -34.4741 7 21 0 0.00 0.00 - no Open
495 3.7879791106918894 -0.807385 -24.528 7 15 0 0.00 0.00 - no Open
526 4.210215324924119 -0.780771 -24.0519 4 18 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 -24.526kcal/mol
Ligand efficiency (LE) -0.8457kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.073
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 384.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.08
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 57.35kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 131.28kcal/mol
Minimised FF energy 73.93kcal/mol

SASA & burial

✓ computed
SASA (unbound) 643.2Ų
Total solvent-accessible surface area of free ligand
BSA total 509.9Ų
Buried surface area upon binding
BSA apolar 400.3Ų
Hydrophobic contacts buried
BSA polar 109.6Ų
Polar contacts buried
Fraction buried 79.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1491.7Ų
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 844.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)