FAIRMol

Z426369012

Pose ID 14802 Compound 855 Pose 564

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 Z426369012

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
24.6 kcal/mol
Protein clashes
4
Internal clashes
4
Native overlap
contact recall 0.71, Jaccard 0.58, H-bond role recall 0.45
Burial
82%
Hydrophobic fit
75%
Reason: no major geometry red flags detected
4 protein-contact clashes 4 intramolecular clashes 41% of hydrophobic surface appears solvent-exposed (9/22 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.141 kcal/mol/HA) ✓ Good fit quality (FQ -10.89) ✓ Strong H-bond network (16 bonds) ✓ Deep burial (82% SASA buried) ✓ Lipophilic contacts well-matched (75%) ✗ High strain energy (24.6 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-33.098
kcal/mol
LE
-1.141
kcal/mol/HA
Fit Quality
-10.89
FQ (Leeson)
HAC
29
heavy atoms
MW
405
Da
LogP
4.40
cLogP
Strain ΔE
24.6 kcal/mol
SASA buried
82%
Lipo contact
75% BSA apolar/total
SASA unbound
682 Ų
Apolar buried
416 Ų

Interaction summary

HB 16 HY 6 PI 1 CLASH 4 ⚠ Exposure 40%

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
41% of hydrophobic surface appears solvent-exposed (9/22 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 22 Buried (contacted) 13 Exposed 9 LogP 4.4 H-bonds 16
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (3 atoms exposed)
Final rank3.755Score-33.098
Inter norm-1.093Intra norm-0.049
Top1000noExcludedno
Contacts20H-bonds16
Artifact reasongeometry warning; 10 clashes; 2 protein clashes; moderate strain Δ 24.6
Residues
ALA158 ALA24 ALA70 ASN126 ASP129 ASP68 GLU21 GLU73 GLY23 GLY25 GLY71 LEU130 LYS127 LYS159 LYS26 PHE38 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 overlap15Native recall0.71
Jaccard0.58RMSD-
HB strict6Strict recall0.40
HB same residue+role5HB role recall0.45
HB same residue6HB residue recall0.55

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
550 0.7089563717843353 -1.16107 -32.7603 7 17 0 0.00 0.00 - no Open
574 1.563273033931963 -0.894916 -24.9454 11 16 0 0.00 0.00 - no Open
570 1.8983530217649327 -0.895592 -25.6438 4 17 0 0.00 0.00 - no Open
540 2.188469065975241 -1.0946 -32.4734 8 16 0 0.00 0.00 - no Open
551 2.207343591774533 -0.891831 -26.4179 4 16 0 0.00 0.00 - no Open
552 2.6137459609030174 -0.787817 -13.6074 6 13 0 0.00 0.00 - no Open
549 2.8587233897033926 -0.913163 -23.9116 13 18 0 0.00 0.00 - no Open
575 3.0497306452736783 -0.876647 -24.2283 4 18 0 0.00 0.00 - no Open
579 3.14401003598703 -0.81951 -20.0537 7 14 0 0.00 0.00 - no Open
557 3.2521974787035832 -0.981282 -25.668 4 19 0 0.00 0.00 - no Open
564 3.7549715815477414 -1.09269 -33.0977 16 20 15 0.71 0.45 - no Current
549 4.546760674497128 -1.06745 -31.929 6 19 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 -33.098kcal/mol
Ligand efficiency (LE) -1.1413kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.895
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 405.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.40
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 24.57kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 138.96kcal/mol
Minimised FF energy 114.39kcal/mol

SASA & burial

✓ computed
SASA (unbound) 682.1Ų
Total solvent-accessible surface area of free ligand
BSA total 557.9Ų
Buried surface area upon binding
BSA apolar 415.9Ų
Hydrophobic contacts buried
BSA polar 141.9Ų
Polar contacts buried
Fraction buried 81.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 74.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1379.0Ų
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 521.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)