FAIRMol

Z19222311

Pose ID 1146 Compound 769 Pose 468

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T02
Human DHFR Human
Ligand Z19222311
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 high Native strong SASA done
Strain ΔE
13.5 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.81, Jaccard 0.81, H-bond role recall 0.20
Burial
90%
Hydrophobic fit
84%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.899 kcal/mol/HA) ✓ Good fit quality (FQ -8.76) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (84%) ✗ Moderate strain (13.5 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Many internal clashes (15)
Score
-27.885
kcal/mol
LE
-0.899
kcal/mol/HA
Fit Quality
-8.76
FQ (Leeson)
HAC
31
heavy atoms
MW
423
Da
LogP
5.66
cLogP
Strain ΔE
13.5 kcal/mol
SASA buried
90%
Lipo contact
84% BSA apolar/total
SASA unbound
689 Ų
Apolar buried
520 Ų

Interaction summary

HB 2 HY 24 PI 2 CLASH 2

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

Final rank1.263Score-27.885
Inter norm-0.899Intra norm-0.001
Top1000noExcludedno
Contacts17H-bonds2
Artifact reasongeometry warning; 15 clashes; 3 protein contact clashes
Residues
ALA10 ASN65 ASP22 GLU31 GLY21 ILE61 ILE8 LEU68 NAP201 PHE32 PHE35 PRO62 SER60 THR57 TYR122 VAL116 VAL9

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 overlap17Native recall0.81
Jaccard0.81RMSD-
HB strict1Strict recall0.20
HB same residue+role1HB role recall0.20
HB same residue1HB residue recall0.20

Protein summary

200 residues
Protein targetT02Atoms3128
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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
439 1.1628233344151113 -0.906918 -27.9879 3 16 0 0.00 0.00 - no Open
468 1.2633865118385668 -0.898731 -27.8853 2 17 17 0.81 0.20 - no Current
366 2.346994116576859 -1.13989 -35.9598 5 19 0 0.00 0.00 - no Open
432 2.981404368719356 -0.687014 -21.8499 4 16 0 0.00 0.00 - no Open
385 3.6381866787315404 -0.739509 -19.1107 3 18 0 0.00 0.00 - no Open
422 3.724908937099832 -0.82493 -26.6656 8 13 0 0.00 0.00 - no Open
386 3.85148268722908 -0.870285 -26.6452 10 13 0 0.00 0.00 - no Open
393 4.116103612653292 -0.926482 -28.3794 10 16 0 0.00 0.00 - no Open
376 4.356730612096464 -0.774795 -20.8823 13 14 0 0.00 0.00 - no Open
416 4.907697742604002 -0.626708 -19.1249 3 10 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 -27.885kcal/mol
Ligand efficiency (LE) -0.8995kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.763
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 422.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.66
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 13.45kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 110.70kcal/mol
Minimised FF energy 97.25kcal/mol

SASA & burial

✓ computed
SASA (unbound) 689.0Ų
Total solvent-accessible surface area of free ligand
BSA total 619.0Ų
Buried surface area upon binding
BSA apolar 520.1Ų
Hydrophobic contacts buried
BSA polar 98.9Ų
Polar contacts buried
Fraction buried 89.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1656.3Ų
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 610.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)