FAIRMol

Z19138088

Pose ID 464 Compound 651 Pose 464

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 Z19138088
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
26.7 kcal/mol
Protein clashes
8
Internal clashes
8
Native overlap
contact recall 0.81, Jaccard 0.68, H-bond role recall 0.60
Burial
90%
Hydrophobic fit
73%
Reason: 8 internal clashes
8 protein-contact clashes 8 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.743 kcal/mol/HA) ✓ Good fit quality (FQ -7.43) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (73%) ✗ High strain energy (26.7 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (22)
Score
-25.244
kcal/mol
LE
-0.743
kcal/mol/HA
Fit Quality
-7.43
FQ (Leeson)
HAC
34
heavy atoms
MW
474
Da
LogP
4.20
cLogP
Strain ΔE
26.7 kcal/mol
SASA buried
90%
Lipo contact
73% BSA apolar/total
SASA unbound
684 Ų
Apolar buried
447 Ų

Interaction summary

HB 6 HY 24 PI 4 CLASH 8
Final rank5.036Score-25.244
Inter norm-0.819Intra norm0.077
Top1000noExcludedno
Contacts21H-bonds6
Artifact reasongeometry warning; 22 clashes; 2 protein clashes; moderate strain Δ 26.6
Residues
ALA10 ASN65 GLU31 GLY117 ILE61 ILE8 LEU23 LEU28 LEU68 NAP201 PHE32 PHE35 PRO27 PRO62 THR137 THR57 TRP25 TYR122 TYR34 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 overlap17Native recall0.81
Jaccard0.68RMSD-
HB strict3Strict recall0.60
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

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 0 0.00 0.00 - no Open
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 15 0.71 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 0 0.00 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 17 0.81 0.60 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -25.244kcal/mol
Ligand efficiency (LE) -0.7425kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.429
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 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 26.66kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 79.92kcal/mol
Minimised FF energy 53.26kcal/mol

SASA & burial

✓ computed
SASA (unbound) 684.2Ų
Total solvent-accessible surface area of free ligand
BSA total 616.4Ų
Buried surface area upon binding
BSA apolar 447.4Ų
Hydrophobic contacts buried
BSA polar 169.0Ų
Polar contacts buried
Fraction buried 90.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 72.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1561.0Ų
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 609.5Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)