FAIRMol

Z151832316

Pose ID 626 Compound 128 Pose 626

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T01
Human DHFR Human
Ligand Z151832316
PDB5SD8

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 medium Native strong SASA done
Strain ΔE
23.5 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.57, Jaccard 0.44, H-bond role recall 0.20
Burial
75%
Hydrophobic fit
68%
Reason: no major geometry red flags detected
3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.075 kcal/mol/HA) ✓ Good fit quality (FQ -10.37) ✓ Good H-bonds (5 bonds) ✓ Deep burial (75% SASA buried) ✓ Lipophilic contacts well-matched (68%) ✗ High strain energy (23.5 kcal/mol) ✗ Geometry warnings ✗ Protein-contact clashes (8) ✗ Internal clashes (7)
Score
-32.250
kcal/mol
LE
-1.075
kcal/mol/HA
Fit Quality
-10.37
FQ (Leeson)
HAC
30
heavy atoms
MW
458
Da
LogP
4.80
cLogP
Strain ΔE
23.5 kcal/mol
SASA buried
75%
Lipo contact
68% BSA apolar/total
SASA unbound
735 Ų
Apolar buried
374 Ų

Interaction summary

HB 5 HY 24 PI 3 CLASH 3
Final rank1.123Score-32.250
Inter norm-1.107Intra norm0.032
Top1000noExcludedno
Contacts18H-bonds5
Artifact reasongeometry warning; 7 clashes; 8 protein contact clashes; moderate strain Δ 23.5
Residues
ALA10 ARG29 ASN65 GLN36 GLU31 ILE139 ILE8 LEU23 LEU28 LYS69 NAP201 PHE32 PHE35 PRO27 TRP25 TYR122 VAL116 VAL9

Protein summary

200 residues
Protein targetT01Atoms3128
Residues200Chains2
Residue summaryLYS:374; LEU:361; GLU:240; VAL:224; ARG:192; PHE:180; ILE:171; PRO:168; ASN:140; SER:132; TYR:126; GLN:119; ASP:108; MET:102; THR:98; GLY:91

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:NAP201

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name5SD8Contacts21
PoseOpen native poseHB0
IFP residues
ALA10 ASN65 ASP22 GLN36 GLU31 GLY117 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO62 SER60 THR137 THR57 TYR122 VAL116 VAL9
Current overlap12Native recall0.57
Jaccard0.44RMSD-
HB strict0Strict recall0.00
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
638 0.34325018158882725 -0.807998 -21.4581 1 12 0 0.00 0.00 - no Open
623 0.39759002964385937 -0.907597 -28.7047 4 18 0 0.00 0.00 - no Open
626 1.1227923024226714 -1.1074 -32.2501 5 18 12 0.57 0.20 - no Current
626 1.1240171034297752 -0.831029 -27.0616 5 17 0 0.00 0.00 - no Open
630 1.7563715265578972 -0.846368 -25.076 4 14 0 0.00 0.00 - no Open
646 2.8590489487856874 -0.784314 -23.0842 6 16 0 0.00 0.00 - no Open
639 3.474974056717497 -0.915663 -28.6397 5 9 0 0.00 0.00 - no Open
649 3.8018158212879913 -0.815353 -24.1731 5 14 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 -32.250kcal/mol
Ligand efficiency (LE) -1.0750kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.370
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 457.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.80
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 23.49kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 13.04kcal/mol
Minimised FF energy -10.44kcal/mol

SASA & burial

✓ computed
SASA (unbound) 734.9Ų
Total solvent-accessible surface area of free ligand
BSA total 554.0Ų
Buried surface area upon binding
BSA apolar 374.4Ų
Hydrophobic contacts buried
BSA polar 179.6Ų
Polar contacts buried
Fraction buried 75.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 67.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1583.7Ų
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 1677.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 605.8Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)