FAIRMol

Z1541638525

Pose ID 616 Compound 124 Pose 616

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 Z1541638525
PDB5SD8

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 strong SASA done
Strain ΔE
61.5 kcal/mol
Protein clashes
3
Internal clashes
12
Native overlap
contact recall 0.76, Jaccard 0.73, H-bond role recall 0.20
Burial
90%
Hydrophobic fit
82%
Reason: 12 internal clashes, strain 61.5 kcal/mol
strain ΔE 61.5 kcal/mol 3 protein-contact clashes 12 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.732 kcal/mol/HA) ✓ Good fit quality (FQ -7.13) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (82%) ✗ Extreme strain energy (61.5 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (3) ✗ Many internal clashes (12)
Score
-22.677
kcal/mol
LE
-0.732
kcal/mol/HA
Fit Quality
-7.13
FQ (Leeson)
HAC
31
heavy atoms
MW
439
Da
LogP
2.56
cLogP
Strain ΔE
61.5 kcal/mol
SASA buried
90%
Lipo contact
82% BSA apolar/total
SASA unbound
719 Ų
Apolar buried
529 Ų

Interaction summary

HB 2 HY 24 PI 2 CLASH 0
Final rank1.111Score-22.677
Inter norm-0.884Intra norm0.153
Top1000noExcludedno
Contacts17H-bonds2
Artifact reasongeometry warning; 12 clashes; 3 protein contact clashes; high strain Δ 61.5
Residues
ALA10 ASP22 GLU31 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO27 SER60 THR137 THR57 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 overlap16Native recall0.76
Jaccard0.73RMSD-
HB strict1Strict recall0.20
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

No clash · clashes detected for this pose.

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
616 1.111496592088737 -0.884205 -22.6768 2 17 16 0.76 0.20 - no Current
616 1.9754339533636078 -1.0646 -31.6893 2 17 0 0.00 0.00 - no Open
629 2.3345254061255214 -0.812677 -16.2566 5 19 0 0.00 0.00 - no Open
603 2.3880621061810063 -1.0371 -29.7296 7 17 0 0.00 0.00 - no Open
613 2.817356113057871 -0.857551 -27.4261 7 22 17 0.81 0.20 - no Open
605 3.0308665069554115 -0.89006 -25.1977 5 17 0 0.00 0.00 - no Open
632 3.194601979500991 -0.797748 -24.2342 6 13 0 0.00 0.00 - no Open
627 3.6050960718855105 -0.815297 -22.2564 8 15 0 0.00 0.00 - no Open
614 3.664946195262811 -0.73012 -23.1809 4 14 0 0.00 0.00 - no Open
610 4.115100225847642 -0.852848 -21.8685 4 20 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 -22.677kcal/mol
Ligand efficiency (LE) -0.7315kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.127
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 438.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.56
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 61.52kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -51.62kcal/mol
Minimised FF energy -113.14kcal/mol

SASA & burial

✓ computed
SASA (unbound) 719.3Ų
Total solvent-accessible surface area of free ligand
BSA total 644.0Ų
Buried surface area upon binding
BSA apolar 529.1Ų
Hydrophobic contacts buried
BSA polar 114.9Ų
Polar contacts buried
Fraction buried 89.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 82.2%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1669.3Ų
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 610.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)