FAIRMol

Z57907181

Pose ID 14612 Compound 573 Pose 374

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 Z57907181

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Weak SASA cached
Weak or marginal quality
Binding strong Geometry medium Native strong SASA done
Strain ΔE
26.5 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.86, Jaccard 0.72, H-bond role recall 0.27
Burial
90%
Hydrophobic fit
81%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-0.736 kcal/mol/HA) ✓ Good fit quality (FQ -7.42) ✓ Strong H-bond network (11 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ High strain energy (26.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-25.751
kcal/mol
LE
-0.736
kcal/mol/HA
Fit Quality
-7.42
FQ (Leeson)
HAC
35
heavy atoms
MW
472
Da
LogP
4.29
cLogP
Strain ΔE
26.5 kcal/mol
SASA buried
90%
Lipo contact
81% BSA apolar/total
SASA unbound
731 Ų
Apolar buried
538 Ų

Interaction summary

HB 11 HY 9 PI 1 CLASH 5

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

Final rank5.097Score-25.751
Inter norm-0.884Intra norm0.148
Top1000noExcludedno
Contacts22H-bonds11
Artifact reasongeometry warning; 12 clashes; 3 protein clashes; moderate strain Δ 26.5
Residues
ALA158 ALA24 ALA40 ASN126 ASN41 ASP129 GLN42 GLU73 GLY23 GLY25 GLY47 LEU31 LEU39 LYS127 LYS159 LYS26 PHE38 SER157 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 overlap18Native recall0.86
Jaccard0.72RMSD-
HB strict4Strict recall0.27
HB same residue+role3HB role recall0.27
HB same residue4HB residue recall0.36

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
454 1.0192895051419053 -0.741241 -21.3513 3 17 0 0.00 0.00 - no Open
390 1.5052202304832685 -0.955819 -24.3858 6 17 0 0.00 0.00 - no Open
440 2.74160670505527 -0.6624 -22.2468 4 15 0 0.00 0.00 - no Open
422 2.771361240009014 -0.81133 -22.6994 5 12 0 0.00 0.00 - no Open
470 2.9114764992761053 -0.725292 -24.2896 4 16 0 0.00 0.00 - no Open
401 3.2119656626153703 -0.570175 -19.8317 8 14 0 0.00 0.00 - no Open
467 3.3645717008842215 -0.793299 -24.0163 4 19 0 0.00 0.00 - no Open
341 4.94938367910771 -0.802078 -26.3534 9 17 0 0.00 0.00 - no Open
374 5.096813064147079 -0.883803 -25.7507 11 22 18 0.86 0.27 - 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 -25.751kcal/mol
Ligand efficiency (LE) -0.7357kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -7.421
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 35HA

Physicochemical properties

Molecular weight 471.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.29
Lipinski: ≤ 5
Rotatable bonds 9

Conformational strain (MMFF94s)

Strain energy (ΔE) 26.51kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 134.12kcal/mol
Minimised FF energy 107.62kcal/mol

SASA & burial

✓ computed
SASA (unbound) 731.3Ų
Total solvent-accessible surface area of free ligand
BSA total 660.9Ų
Buried surface area upon binding
BSA apolar 537.7Ų
Hydrophobic contacts buried
BSA polar 123.2Ų
Polar contacts buried
Fraction buried 90.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1465.8Ų
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 1368.5Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 496.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)