FAIRMol

Z1213738863

Pose ID 1242 Compound 262 Pose 564

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 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
Likely artefact or unreliable pose
Binding strong Geometry medium Native strong SASA done
Strain ΔE
40.4 kcal/mol
Protein clashes
2
Internal clashes
1
Native overlap
contact recall 0.76, Jaccard 0.67, H-bond role recall 0.00
Burial
87%
Hydrophobic fit
86%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.664 kcal/mol/HA) ✓ Good fit quality (FQ -6.80) ✓ Deep burial (87% SASA buried) ✓ Lipophilic contacts well-matched (86%) ✗ Extreme strain energy (40.4 kcal/mol) ✗ Geometry warnings ✗ Minor protein-contact clashes (2) ✗ Many internal clashes (23)
Score
-24.571
kcal/mol
LE
-0.664
kcal/mol/HA
Fit Quality
-6.80
FQ (Leeson)
HAC
37
heavy atoms
MW
496
Da
LogP
1.19
cLogP
Strain ΔE
40.4 kcal/mol
SASA buried
87%
Lipo contact
86% BSA apolar/total
SASA unbound
767 Ų
Apolar buried
576 Ų

Interaction summary

HB 2 HY 24 PI 3 CLASH 1
Final rank2.147Score-24.571
Inter norm-0.736Intra norm0.072
Top1000noExcludedno
Contacts19H-bonds2
Artifact reasongeometry warning; 23 clashes; 2 protein contact clashes; 1 cofactor-context clash; high strain Δ 40.4
Residues
ALA10 ARG29 ASN65 ASP22 GLU31 GLY21 ILE61 ILE8 LEU23 LEU28 NAP201 PHE32 PHE35 PRO27 SER60 THR137 TYR122 VAL116 VAL9

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

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
Jaccard0.67RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

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
575 1.7367596243972625 -0.748868 -25.2481 2 20 18 0.86 0.20 - no Open
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 Current
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 -24.571kcal/mol
Ligand efficiency (LE) -0.6641kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.799
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) 40.39kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -56.92kcal/mol
Minimised FF energy -97.31kcal/mol

SASA & burial

✓ computed
SASA (unbound) 767.2Ų
Total solvent-accessible surface area of free ligand
BSA total 670.1Ų
Buried surface area upon binding
BSA apolar 576.4Ų
Hydrophobic contacts buried
BSA polar 93.7Ų
Polar contacts buried
Fraction buried 87.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 86.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1737.6Ų
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 607.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)