FAIRMol

OHD_Babesia_19

Pose ID 48 Compound 646 Pose 48

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_Babesia_19
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
73.0 kcal/mol
Protein clashes
4
Internal clashes
5
Native overlap
contact recall 0.71, Jaccard 0.60, H-bond role recall 0.20
Burial
88%
Hydrophobic fit
77%
Reason: strain 73.0 kcal/mol
strain ΔE 73.0 kcal/mol 4 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.840 kcal/mol/HA) ✓ Good fit quality (FQ -8.53) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Extreme strain energy (73.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (21)
Score
-30.225
kcal/mol
LE
-0.840
kcal/mol/HA
Fit Quality
-8.53
FQ (Leeson)
HAC
36
heavy atoms
MW
499
Da
LogP
0.30
cLogP
Strain ΔE
73.0 kcal/mol
SASA buried
88%
Lipo contact
77% BSA apolar/total
SASA unbound
710 Ų
Apolar buried
486 Ų

Interaction summary

HB 6 HY 24 PI 1 CLASH 5
Final rank4.704Score-30.225
Inter norm-0.845Intra norm0.005
Top1000noExcludedno
Contacts19H-bonds6
Artifact reasongeometry warning; 21 clashes; 2 protein clashes; 2 cofactor-context clashes; high strain Δ 73.0
Residues
ALA10 ARG29 ASP22 GLU31 GLY21 ILE61 ILE8 LEU23 LEU28 NAP201 PHE32 PHE35 PRO27 PRO62 SER60 THR137 THR57 TRP25 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 overlap15Native recall0.71
Jaccard0.60RMSD-
HB strict0Strict recall0.00
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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
44 1.452976274811799 -0.937992 -32.885 6 17 0 0.00 0.00 - no Open
39 4.200642631864899 -0.776532 -22.6213 7 20 0 0.00 0.00 - no Open
48 4.703585773444064 -0.844561 -30.2249 6 19 15 0.71 0.20 - no Current
37 4.758837592640915 -0.748282 -30.1587 4 16 0 0.00 0.00 - no Open
18 4.863072999448453 -0.815571 -27.29 9 18 0 0.00 0.00 - no Open
25 4.869203347635882 -0.719158 -17.5583 9 14 0 0.00 0.00 - no Open
23 5.554151874370524 -0.890878 -28.0561 10 20 0 0.00 0.00 - no Open
24 5.904580313916113 -0.711855 -22.6477 7 12 0 0.00 0.00 - no Open
27 7.654408270481058 -0.885409 -26.0831 10 16 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 -30.225kcal/mol
Ligand efficiency (LE) -0.8396kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.533
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 36HA

Physicochemical properties

Molecular weight 498.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.30
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 72.97kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 137.38kcal/mol
Minimised FF energy 64.42kcal/mol

SASA & burial

✓ computed
SASA (unbound) 709.9Ų
Total solvent-accessible surface area of free ligand
BSA total 626.9Ų
Buried surface area upon binding
BSA apolar 485.5Ų
Hydrophobic contacts buried
BSA polar 141.4Ų
Polar contacts buried
Fraction buried 88.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1643.8Ų
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 597.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)