FAIRMol

Z1431036083

Pose ID 1300 Compound 324 Pose 622

DB fairmolDocking 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 Z1431036083
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
24.0 kcal/mol
Protein clashes
3
Internal clashes
4
Native overlap
contact recall 0.62, Jaccard 0.52, H-bond role recall 0.40
Burial
93%
Hydrophobic fit
92%
Reason: no major geometry red flags detected
3 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.032 kcal/mol/HA) ✓ Good fit quality (FQ -8.63) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (92%) ✗ High strain energy (24.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-20.635
kcal/mol
LE
-1.032
kcal/mol/HA
Fit Quality
-8.63
FQ (Leeson)
HAC
20
heavy atoms
MW
286
Da
LogP
2.90
cLogP
Strain ΔE
24.0 kcal/mol
SASA buried
93%
Lipo contact
92% BSA apolar/total
SASA unbound
491 Ų
Apolar buried
422 Ų

Interaction summary

HB 8 HY 24 PI 2 CLASH 4

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 rank1.949Score-20.635
Inter norm-1.287Intra norm0.255
Top1000noExcludedno
Contacts17H-bonds8
Artifact reasongeometry warning; 11 clashes; 1 protein clash; 2 cofactor-context clashes; moderate strain Δ 24.0
Residues
ALA10 GLU31 ILE61 ILE8 LEU68 NAP201 PHE135 PHE180 PHE32 PHE35 THR137 THR57 TYR122 TYR34 VAL116 VAL136 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 overlap13Native recall0.62
Jaccard0.52RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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
615 0.28960847850830457 -1.79774 -32.3379 7 16 0 0.00 0.00 - no Open
628 0.5533442578553829 -1.59574 -27.2117 7 15 0 0.00 0.00 - no Open
618 1.1131810469424614 -1.40275 -22.4055 9 18 0 0.00 0.00 - no Open
615 1.8392976324836339 -1.43602 -28.4815 4 17 0 0.00 0.00 - no Open
622 1.94899555551666 -1.2868 -20.6349 8 17 13 0.62 0.40 - no Current
622 1.9817671477287926 -1.28066 -20.826 9 18 14 0.67 0.40 - 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 -20.635kcal/mol
Ligand efficiency (LE) -1.0317kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.634
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 20HA

Physicochemical properties

Molecular weight 285.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.90
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.05kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -48.59kcal/mol
Minimised FF energy -72.64kcal/mol

SASA & burial

✓ computed
SASA (unbound) 490.8Ų
Total solvent-accessible surface area of free ligand
BSA total 458.5Ų
Buried surface area upon binding
BSA apolar 421.6Ų
Hydrophobic contacts buried
BSA polar 36.9Ų
Polar contacts buried
Fraction buried 93.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 91.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1506.8Ų
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 625.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)