FAIRMol

OHD_TbNat_104

Pose ID 764 Compound 579 Pose 86

DB fairmolDocking 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 OHD_TbNat_104
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
28.6 kcal/mol
Protein clashes
0
Internal clashes
11
Native overlap
contact recall 0.86, Jaccard 0.75, H-bond role recall 0.80
Burial
92%
Hydrophobic fit
71%
Reason: 11 internal clashes
11 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.993 kcal/mol/HA) ✓ Good fit quality (FQ -9.67) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (92% SASA buried) ✓ Lipophilic contacts well-matched (71%) ✗ High strain energy (28.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-30.776
kcal/mol
LE
-0.993
kcal/mol/HA
Fit Quality
-9.67
FQ (Leeson)
HAC
31
heavy atoms
MW
436
Da
LogP
-0.56
cLogP
Strain ΔE
28.6 kcal/mol
SASA buried
92%
Lipo contact
71% BSA apolar/total
SASA unbound
664 Ų
Apolar buried
433 Ų

Interaction summary

HB 8 HY 21 PI 1 CLASH 0

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.
Final rank3.361Score-30.776
Inter norm-0.930Intra norm-0.063
Top1000noExcludedno
Contacts21H-bonds8
Artifact reasongeometry warning; 11 clashes; 2 protein clashes; 1 cofactor-context clash; moderate strain Δ 28.6
Residues
ALA10 ARG29 ASP22 GLU31 GLY117 GLY21 ILE61 ILE8 LEU23 LEU28 NAP201 PHE32 PHE35 PRO27 PRO62 SER60 THR137 THR57 TYR122 VAL116 VAL9

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
Jaccard0.75RMSD-
HB strict4Strict recall0.80
HB same residue+role4HB role recall0.80
HB same residue4HB residue recall0.80

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
84 1.0179927732673884 -1.02326 -25.6202 10 15 0 0.00 0.00 - no Open
87 3.2642859531252832 -0.996734 -27.8364 12 13 0 0.00 0.00 - no Open
86 3.3606023215307887 -0.929678 -30.7755 8 21 18 0.86 0.80 - no Current
94 3.411734690087445 -0.925891 -27.3176 9 21 18 0.86 0.80 - no Open
66 3.4554389482171013 -0.84221 -25.2275 7 15 0 0.00 0.00 - no Open
83 4.060877043540257 -0.820497 -20.7829 8 18 0 0.00 0.00 - no Open
81 4.253628773031853 -0.609689 -21.6506 7 10 0 0.00 0.00 - no Open
66 4.689246763870224 -0.774342 -20.4763 10 15 0 0.00 0.00 - no Open
45 5.218613317744509 -0.936281 -18.0731 14 18 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 -30.776kcal/mol
Ligand efficiency (LE) -0.9928kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.672
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 436.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.56
Lipinski: ≤ 5
Rotatable bonds 10

Conformational strain (MMFF94s)

Strain energy (ΔE) 28.64kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 172.24kcal/mol
Minimised FF energy 143.59kcal/mol

SASA & burial

✓ computed
SASA (unbound) 663.8Ų
Total solvent-accessible surface area of free ligand
BSA total 611.8Ų
Buried surface area upon binding
BSA apolar 433.4Ų
Hydrophobic contacts buried
BSA polar 178.4Ų
Polar contacts buried
Fraction buried 92.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1547.3Ų
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 598.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)