FAIRMol

Z44857448

Pose ID 14691 Compound 2257 Pose 453

DB fairmolDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T22
L. donovani rab5a L. donovani
Ligand Z44857448

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 mixed SASA done
Strain ΔE
66.8 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.52, Jaccard 0.35, H-bond role recall 0.36
Burial
89%
Hydrophobic fit
66%
Reason: strain 66.8 kcal/mol
strain ΔE 66.8 kcal/mol 4 protein-contact clashes 4 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.968 kcal/mol/HA) ✓ Good fit quality (FQ -9.43) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (89% SASA buried) ✓ Lipophilic contacts well-matched (66%) ✗ Extreme strain energy (66.8 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-29.999
kcal/mol
LE
-0.968
kcal/mol/HA
Fit Quality
-9.43
FQ (Leeson)
HAC
31
heavy atoms
MW
482
Da
LogP
3.47
cLogP
Strain ΔE
66.8 kcal/mol
SASA buried
89%
Lipo contact
66% BSA apolar/total
SASA unbound
704 Ų
Apolar buried
412 Ų

Interaction summary

HB 10 HY 6 PI 0 CLASH 4

HB · H-bonds

Mode: strict. Count shows atom-level H-bonds; unique residues in summary: 0.

PI · π–π interactions

No pi · π–π interactions detected for this pose.

HY · Hydrophobic contacts

CLASH · Clashes

Final rank4.658Score-29.999
Inter norm-1.131Intra norm0.158
Top1000noExcludedno
Contacts21H-bonds10
Artifact reasongeometry warning; 12 clashes; 3 protein clashes; high strain Δ 66.8
Residues
ALA24 ALA48 ALA70 ASP68 GLN42 GLU73 GLY23 GLY25 GLY47 GLY71 ILE46 LEU31 LEU39 LEU51 LYS127 LYS26 SER22 SER27 SER28 THR44 THR69

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
NameRAB5AContacts21
PoseOpen native poseHB0
IFP residues
ALA158 ALA24 ALA40 ASN126 ASN41 ASP129 GLN42 GLU21 GLU73 GLY23 GLY25 LEU130 LEU39 LYS127 LYS159 LYS26 PHE38 SER157 SER22 SER27 SER28
Current overlap11Native recall0.52
Jaccard0.35RMSD-
HB strict6Strict recall0.40
HB same residue+role4HB role recall0.36
HB same residue5HB residue recall0.45

Protein summary

165 residues
Protein targetT22Atoms2561
Residues165Chains1
Residue summaryLEU:363; LYS:242; ALA:231; ARG:214; ILE:190; GLU:180; VAL:144; SER:143; PHE:140; ASN:112; THR:112; TYR:105; GLN:102; ASP:96; GLY:77; TRP:48

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
418 1.7178316105066913 -1.04238 -27.2479 9 19 0 0.00 0.00 - no Open
435 2.77842743044837 -0.86364 -25.8634 9 14 0 0.00 0.00 - no Open
408 3.3449708047087374 -0.962492 -27.8211 7 14 0 0.00 0.00 - no Open
492 3.826417372388749 -0.724649 -16.4473 7 22 0 0.00 0.00 - no Open
465 4.645331827781998 -0.652702 -13.9801 7 10 0 0.00 0.00 - no Open
453 4.6581234930451165 -1.13084 -29.9989 10 21 11 0.52 0.36 - 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 -29.999kcal/mol
Ligand efficiency (LE) -0.9677kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.428
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 31HA

Physicochemical properties

Molecular weight 481.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.47
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 66.81kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 85.10kcal/mol
Minimised FF energy 18.29kcal/mol

SASA & burial

✓ computed
SASA (unbound) 704.2Ų
Total solvent-accessible surface area of free ligand
BSA total 629.7Ų
Buried surface area upon binding
BSA apolar 412.3Ų
Hydrophobic contacts buried
BSA polar 217.4Ų
Polar contacts buried
Fraction buried 89.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 65.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1328.5Ų
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 1368.5Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 515.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)