FAIRMol

Z16211652

Pose ID 6626 Compound 1219 Pose 530

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T10
L. infantum R5P L. infantum
Ligand Z16211652

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
15.9 kcal/mol
Protein clashes
7
Internal clashes
7
Native overlap
contact recall 0.94, Jaccard 0.89, H-bond role recall 0.64
Burial
69%
Hydrophobic fit
64%
Reason: 7 internal clashes
7 protein-contact clashes 7 intramolecular clashes 50% of hydrophobic surface appears solvent-exposed (9/18 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-0.977 kcal/mol/HA) ✓ Good fit quality (FQ -9.00) ✓ Strong H-bond network (13 bonds) ✓ Deep burial (69% SASA buried) ✓ Lipophilic contacts well-matched (64%) ✗ Moderate strain (15.9 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (7)
Score
-25.389
kcal/mol
LE
-0.977
kcal/mol/HA
Fit Quality
-9.00
FQ (Leeson)
HAC
26
heavy atoms
MW
390
Da
LogP
4.00
cLogP
Strain ΔE
15.9 kcal/mol
SASA buried
69%
Lipo contact
64% BSA apolar/total
SASA unbound
633 Ų
Apolar buried
279 Ų

Interaction summary

HB 13 HY 7 PI 2 CLASH 7 ⚠ Exposure 50%

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

⚠️Partial hydrophobic solvent exposure
50% of hydrophobic surface appears solvent-exposed (9/18 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 18 Buried (contacted) 9 Exposed 9 LogP 4.0 H-bonds 13
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (3 atoms exposed)
Final rank5.155Score-25.389
Inter norm-1.069Intra norm0.093
Top1000noExcludedno
Contacts17H-bonds13
Artifact reasongeometry warning; 7 clashes; 3 protein clashes
Residues
ALA15 ARG116 ARG140 ARG144 ASN106 ASP13 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 ILE76 MET78 THR74 TYR49

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name6FXWContacts17
PoseOpen native poseHB0
IFP residues
ALA15 ARG116 ARG140 ARG144 ASN106 ASP13 CYS72 GLY73 GLY75 GLY77 HIS105 HIS14 HIS141 ILE76 LEU101 THR74 TYR49
Current overlap16Native recall0.94
Jaccard0.89RMSD-
HB strict8Strict recall0.62
HB same residue+role7HB role recall0.64
HB same residue10HB residue recall0.91

Protein summary

155 residues
Protein targetT10Atoms4590
Residues155Chains1
Residue summaryILE:494; ARG:384; ALA:360; VAL:352; LEU:304; GLU:300; THR:280; MET:272; LYS:220; ASP:216; TYR:210; HIS:204; GLY:182; SER:176; GLN:170; ASN:140

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
513 -0.2908267176309925 -1.19073 -29.6003 7 13 0 0.00 0.00 - no Open
530 1.8386052021954522 -1.05981 -26.1272 6 14 0 0.00 0.00 - no Open
549 1.9584098801368803 -1.07383 -29.3381 5 12 0 0.00 0.00 - no Open
560 2.428087883165567 -0.799576 -24.0181 4 14 0 0.00 0.00 - no Open
552 2.7941902960594462 -0.966006 -17.0384 4 20 0 0.00 0.00 - no Open
530 3.472283433281198 -1.06233 -28.3109 9 14 0 0.00 0.00 - no Open
516 3.8612649837231396 -1.20279 -31.5508 4 13 0 0.00 0.00 - no Open
526 4.287644089881446 -1.23726 -27.9603 10 18 0 0.00 0.00 - no Open
530 5.1552079225695575 -1.06931 -25.3885 13 17 16 0.94 0.64 - no Current
550 5.633262955142708 -1.10654 -23.6606 16 15 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 -25.389kcal/mol
Ligand efficiency (LE) -0.9765kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.997
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 26HA

Physicochemical properties

Molecular weight 389.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.00
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 15.86kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 42.53kcal/mol
Minimised FF energy 26.67kcal/mol

SASA & burial

✓ computed
SASA (unbound) 632.7Ų
Total solvent-accessible surface area of free ligand
BSA total 438.0Ų
Buried surface area upon binding
BSA apolar 278.6Ų
Hydrophobic contacts buried
BSA polar 159.4Ų
Polar contacts buried
Fraction buried 69.2%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 63.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2144.3Ų
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 2417.4Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 746.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)