FAIRMol

OHD_MAC_29

Pose ID 435 Compound 654 Pose 435

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 OHD_MAC_29
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 mixed SASA done
Strain ΔE
40.3 kcal/mol
Protein clashes
6
Internal clashes
6
Native overlap
contact recall 0.43, Jaccard 0.36, H-bond role recall 0.40
Burial
81%
Hydrophobic fit
75%
Reason: 6 internal clashes
6 protein-contact clashes 6 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.871 kcal/mol/HA) ✓ Good fit quality (FQ -8.49) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (81% SASA buried) ✓ Lipophilic contacts well-matched (75%) ✗ Extreme strain energy (40.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-27.013
kcal/mol
LE
-0.871
kcal/mol/HA
Fit Quality
-8.49
FQ (Leeson)
HAC
31
heavy atoms
MW
442
Da
LogP
3.52
cLogP
Strain ΔE
40.3 kcal/mol
SASA buried
81%
Lipo contact
75% BSA apolar/total
SASA unbound
682 Ų
Apolar buried
415 Ų

Interaction summary

HB 8 HY 24 PI 3 CLASH 6
Final rank5.455Score-27.013
Inter norm-0.971Intra norm0.099
Top1000noExcludedno
Contacts13H-bonds8
Artifact reasongeometry warning; 12 clashes; 3 protein clashes; 1 cofactor-context clash; high strain Δ 40.3
Residues
ALA10 ARG29 GLU31 ILE61 LEU23 LEU28 NAP201 PHE32 PRO27 SER60 THR57 TRP25 VAL116

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 overlap9Native recall0.43
Jaccard0.36RMSD-
HB strict1Strict recall0.20
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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
345 1.281160982199155 -1.09103 -29.3489 9 14 0 0.00 0.00 - no Open
346 2.086611465644449 -0.779319 -19.2191 9 20 0 0.00 0.00 - no Open
368 3.1889186452939353 -0.669263 -11.7161 9 13 0 0.00 0.00 - no Open
438 3.2731217248448337 -0.748078 -18.0424 3 14 0 0.00 0.00 - no Open
394 3.6894223208881654 -0.987747 -21.9886 6 18 0 0.00 0.00 - no Open
369 3.8014505493670785 -0.765838 -15.6973 7 16 0 0.00 0.00 - no Open
363 3.857012961043758 -0.834962 -24.8622 2 15 0 0.00 0.00 - no Open
344 4.302709681412365 -0.993175 -25.758 16 25 0 0.00 0.00 - no Open
304 4.332364877354195 -1.06815 -28.6066 10 21 0 0.00 0.00 - no Open
360 5.131852192260474 -0.967822 -24.7863 11 17 0 0.00 0.00 - no Open
435 5.45459249045296 -0.970835 -27.0132 8 13 9 0.43 0.40 - no Current
306 6.882292088589973 -0.876724 -20.9345 16 17 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 -27.013kcal/mol
Ligand efficiency (LE) -0.8714kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.489
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 441.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.52
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 40.26kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 117.36kcal/mol
Minimised FF energy 77.10kcal/mol

SASA & burial

✓ computed
SASA (unbound) 682.2Ų
Total solvent-accessible surface area of free ligand
BSA total 553.0Ų
Buried surface area upon binding
BSA apolar 415.1Ų
Hydrophobic contacts buried
BSA polar 137.9Ų
Polar contacts buried
Fraction buried 81.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 75.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1539.5Ų
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 672.0Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)