FAIRMol

OHD_MAC_46

Pose ID 443 Compound 655 Pose 443

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_46
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
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
24.6 kcal/mol
Protein clashes
7
Internal clashes
9
Native overlap
contact recall 0.57, Jaccard 0.46, H-bond role recall 0.60
Burial
82%
Hydrophobic fit
76%
Reason: 9 internal clashes
7 protein-contact clashes 9 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.681 kcal/mol/HA) ✓ Good fit quality (FQ -6.43) ✓ Strong H-bond network (7 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (76%) ✗ High strain energy (24.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (14)
Score
-19.081
kcal/mol
LE
-0.681
kcal/mol/HA
Fit Quality
-6.43
FQ (Leeson)
HAC
28
heavy atoms
MW
374
Da
LogP
2.42
cLogP
Strain ΔE
24.6 kcal/mol
SASA buried
82%
Lipo contact
76% BSA apolar/total
SASA unbound
631 Ų
Apolar buried
394 Ų

Interaction summary

HB 7 HY 24 PI 3 CLASH 9
Final rank5.512Score-19.081
Inter norm-0.967Intra norm0.286
Top1000noExcludedno
Contacts17H-bonds7
Artifact reasongeometry warning; 14 clashes; 3 protein clashes; 2 cofactor-context clashes; moderate strain Δ 24.6
Residues
ALA10 ARG29 GLU31 GLY117 ILE139 ILE8 LEU23 LEU28 NAP201 PHE32 PHE35 PRO27 THR57 TRP25 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 overlap12Native recall0.57
Jaccard0.46RMSD-
HB strict2Strict recall0.40
HB same residue+role3HB role recall0.60
HB same residue3HB residue recall0.60

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
355 1.128762760936132 -1.34752 -35.2625 10 15 0 0.00 0.00 - no Open
366 1.3156403457915806 -0.859654 -22.7368 8 13 0 0.00 0.00 - no Open
446 2.5132113806492127 -0.815812 -16.8076 5 16 0 0.00 0.00 - no Open
337 3.08322798706276 -1.07371 -26.7944 13 17 0 0.00 0.00 - no Open
426 3.2099502569998086 -0.936048 -25.4644 5 17 16 0.76 0.00 - no Open
410 3.5638081054835444 -0.900748 -22.757 8 19 0 0.00 0.00 - no Open
371 4.045988160186225 -1.11347 -25.148 7 15 0 0.00 0.00 - no Open
351 4.129705582296731 -0.942434 -23.4774 6 19 0 0.00 0.00 - no Open
357 4.186985560350385 -0.88846 -21.7673 7 15 0 0.00 0.00 - no Open
377 4.388828245234522 -0.743151 -21.7204 8 13 0 0.00 0.00 - no Open
311 4.908449489709896 -1.11493 -27.3797 8 15 0 0.00 0.00 - no Open
336 5.004753588477256 -1.12345 -29.739 14 23 0 0.00 0.00 - no Open
443 5.511611947936888 -0.967321 -19.0807 7 17 12 0.57 0.60 - no Current

Molecular metrics

RDKit SASA burial, strain energy (MMFF94s), ligand efficiency and fit quality for this docking pose.
✓ Metrics available

Scoring & efficiency

Docking score -19.081kcal/mol
Ligand efficiency (LE) -0.6815kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -6.433
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 374.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.42
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.61kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 96.34kcal/mol
Minimised FF energy 71.73kcal/mol

SASA & burial

✓ computed
SASA (unbound) 631.4Ų
Total solvent-accessible surface area of free ligand
BSA total 520.8Ų
Buried surface area upon binding
BSA apolar 393.9Ų
Hydrophobic contacts buried
BSA polar 126.9Ų
Polar contacts buried
Fraction buried 82.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 75.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1550.2Ų
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 610.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)