FAIRMol

OHD_Leishmania_133

Pose ID 16 Compound 348 Pose 16

DB fairmolDocking 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_Leishmania_133
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
63.9 kcal/mol
Protein clashes
0
Internal clashes
13
Native overlap
contact recall 0.81, Jaccard 0.71, H-bond role recall 0.40
Burial
85%
Hydrophobic fit
77%
Reason: 13 internal clashes, strain 63.9 kcal/mol
strain ΔE 63.9 kcal/mol 13 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.803 kcal/mol/HA) ✓ Good fit quality (FQ -8.16) ✓ Strong H-bond network (8 bonds) ✓ Deep burial (85% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Extreme strain energy (63.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-28.904
kcal/mol
LE
-0.803
kcal/mol/HA
Fit Quality
-8.16
FQ (Leeson)
HAC
36
heavy atoms
MW
495
Da
LogP
-0.34
cLogP
Strain ΔE
63.9 kcal/mol
SASA buried
85%
Lipo contact
77% BSA apolar/total
SASA unbound
791 Ų
Apolar buried
516 Ų

Interaction summary

HB 8 HY 23 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 rank2.104Score-28.904
Inter norm-0.743Intra norm-0.060
Top1000noExcludedno
Contacts20H-bonds8
Artifact reasongeometry warning; 13 clashes; 1 protein clash; 1 severe cofactor-context clash; high strain Δ 63.9
Residues
ALA10 ARG29 ASN65 GLU31 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO27 PRO62 SER60 THR137 THR57 TYR122 TYR34 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 overlap17Native recall0.81
Jaccard0.71RMSD-
HB strict2Strict recall0.40
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
12 1.6392561257972764 -0.859726 -29.8169 8 14 0 0.00 0.00 - no Open
16 2.1036393104027136 -0.742975 -28.9035 8 20 17 0.81 0.40 - no Current
11 2.65940477669851 -0.731382 -24.0508 5 20 17 0.81 0.20 - no Open
15 2.8400958184167666 -1.1447 -44.2495 10 18 0 0.00 0.00 - no Open
12 3.0099859272417073 -0.747145 -28.4943 8 14 0 0.00 0.00 - no Open
12 3.0166469621949865 -0.589367 -22.6096 8 12 0 0.00 0.00 - no Open
18 3.0486529189517513 -1.11879 -40.6803 12 21 0 0.00 0.00 - no Open
5 3.229919745111221 -0.668992 -23.7798 9 19 0 0.00 0.00 - no Open
15 3.8936404298502363 -0.991486 -37.2759 15 23 0 0.00 0.00 - no Open
12 4.894897117783592 -0.855 -26.3168 8 23 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 -28.904kcal/mol
Ligand efficiency (LE) -0.8029kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.160
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 36HA

Physicochemical properties

Molecular weight 494.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) -0.34
Lipinski: ≤ 5
Rotatable bonds 12

Conformational strain (MMFF94s)

Strain energy (ΔE) 63.89kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 42.92kcal/mol
Minimised FF energy -20.97kcal/mol

SASA & burial

✓ computed
SASA (unbound) 790.7Ų
Total solvent-accessible surface area of free ligand
BSA total 669.5Ų
Buried surface area upon binding
BSA apolar 516.4Ų
Hydrophobic contacts buried
BSA polar 153.2Ų
Polar contacts buried
Fraction buried 84.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1695.8Ų
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 586.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)