FAIRMol

Z1213738863

Pose ID 575 Compound 262 Pose 575

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 Z1213738863
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
42.2 kcal/mol
Protein clashes
0
Internal clashes
21
Native overlap
contact recall 0.86, Jaccard 0.78, H-bond role recall 0.20
Burial
90%
Hydrophobic fit
85%
Reason: 21 internal clashes, strain 42.2 kcal/mol
strain ΔE 42.2 kcal/mol 21 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.682 kcal/mol/HA) ✓ Good fit quality (FQ -6.99) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (85%) ✗ Extreme strain energy (42.2 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (21)
Score
-25.248
kcal/mol
LE
-0.682
kcal/mol/HA
Fit Quality
-6.99
FQ (Leeson)
HAC
37
heavy atoms
MW
496
Da
LogP
1.19
cLogP
Strain ΔE
42.2 kcal/mol
SASA buried
90%
Lipo contact
85% BSA apolar/total
SASA unbound
781 Ų
Apolar buried
594 Ų

Interaction summary

HB 2 HY 24 PI 3 CLASH 0
Final rank1.737Score-25.248
Inter norm-0.749Intra norm0.066
Top1000noExcludedno
Contacts20H-bonds2
Artifact reasongeometry warning; 21 clashes; 1 protein contact clash; high strain Δ 42.2
Residues
ALA10 ARG29 ASN65 ASP22 GLU31 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO27 PRO62 SER60 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 overlap18Native recall0.86
Jaccard0.78RMSD-
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
575 1.7367596243972625 -0.748868 -25.2481 2 20 18 0.86 0.20 - no Current
550 1.9935561476862842 -0.64944 -21.5198 2 14 0 0.00 0.00 - no Open
564 2.146994493424201 -0.736414 -24.5708 2 19 16 0.76 0.00 - no Open
537 3.339209688828407 -1.03382 -34.0594 5 18 0 0.00 0.00 - no Open
570 3.3418494469702504 -0.644097 -21.1074 7 14 0 0.00 0.00 - no Open
531 3.4623295539520593 -0.819231 -24.1424 6 18 0 0.00 0.00 - no Open
538 3.4806218065960888 -0.747223 -23.0803 10 17 0 0.00 0.00 - no Open
555 4.826281943867511 -0.818842 -26.3565 9 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 -25.248kcal/mol
Ligand efficiency (LE) -0.6824kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.986
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 37HA

Physicochemical properties

Molecular weight 495.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.19
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 42.19kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -56.00kcal/mol
Minimised FF energy -98.18kcal/mol

SASA & burial

✓ computed
SASA (unbound) 781.2Ų
Total solvent-accessible surface area of free ligand
BSA total 701.2Ų
Buried surface area upon binding
BSA apolar 594.2Ų
Hydrophobic contacts buried
BSA polar 107.0Ų
Polar contacts buried
Fraction buried 89.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 84.7%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1733.5Ų
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 603.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)