FAIRMol

Z57392960

Pose ID 14593 Compound 179 Pose 355

DB SELECTIONDocking 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 Z57392960

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
15.9 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.81, Jaccard 0.65, H-bond role recall 0.36
Burial
90%
Hydrophobic fit
77%
Reason: no major geometry red flags detected
5 protein-contact clashes 5 intramolecular clashes 56% of hydrophobic surface appears solvent-exposed (10/18 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 (-1.243 kcal/mol/HA) ✓ Good fit quality (FQ -11.59) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Moderate strain (15.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-33.552
kcal/mol
LE
-1.243
kcal/mol/HA
Fit Quality
-11.59
FQ (Leeson)
HAC
27
heavy atoms
MW
420
Da
LogP
4.26
cLogP
Strain ΔE
15.9 kcal/mol
SASA buried
90%
Lipo contact
77% BSA apolar/total
SASA unbound
636 Ų
Apolar buried
441 Ų

Interaction summary

HB 9 HY 4 PI 1 CLASH 5 ⚠ Exposure 55%

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
56% of hydrophobic surface appears solvent-exposed (10/18 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 18 Buried (contacted) 8 Exposed 10 LogP 4.26 H-bonds 9
Exposed fragments: phenyl (2/5 atoms exposed)phenyl (6/6 atoms exposed)aliphatic chain/group (2 atoms exposed)
Final rank3.477Score-33.552
Inter norm-1.282Intra norm0.039
Top1000noExcludedno
Contacts22H-bonds9
Artifact reasongeometry warning; 12 clashes; 2 protein clashes
Residues
ALA158 ALA24 ASN126 ASP129 GLN42 GLU43 GLU73 GLY23 GLY25 GLY47 GLY71 LEU130 LYS127 LYS159 LYS26 PHE38 SER157 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 overlap17Native recall0.81
Jaccard0.65RMSD-
HB strict6Strict recall0.40
HB same residue+role4HB role recall0.36
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
376 0.7918257687305323 -1.08225 -28.1784 4 14 0 0.00 0.00 - no Open
444 1.2254280409492806 -0.987606 -25.3946 4 14 0 0.00 0.00 - no Open
459 1.400291304754934 -1.01949 -26.0129 4 14 0 0.00 0.00 - no Open
355 3.476846046712871 -1.28186 -33.5517 9 22 17 0.81 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 -33.552kcal/mol
Ligand efficiency (LE) -1.2427kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.594
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 27HA

Physicochemical properties

Molecular weight 419.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.26
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 15.90kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 46.98kcal/mol
Minimised FF energy 31.08kcal/mol

SASA & burial

✓ computed
SASA (unbound) 636.0Ų
Total solvent-accessible surface area of free ligand
BSA total 570.4Ų
Buried surface area upon binding
BSA apolar 441.2Ų
Hydrophobic contacts buried
BSA polar 129.2Ų
Polar contacts buried
Fraction buried 89.7%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 77.4%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1358.1Ų
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 497.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)