FAIRMol

Z57514570

Pose ID 14722 Compound 2885 Pose 484

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 Z57514570

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 strong SASA done
Strain ΔE
43.3 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.90, Jaccard 0.90, H-bond role recall 0.36
Burial
74%
Hydrophobic fit
77%
Reason: strain 43.3 kcal/mol
strain ΔE 43.3 kcal/mol 1 protein-contact clashes 52% of hydrophobic surface appears solvent-exposed (12/23 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.877 kcal/mol/HA) ✓ Good fit quality (FQ -8.70) ✓ Strong H-bond network (6 bonds) ✓ Deep burial (74% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Extreme strain energy (43.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-28.930
kcal/mol
LE
-0.877
kcal/mol/HA
Fit Quality
-8.70
FQ (Leeson)
HAC
33
heavy atoms
MW
486
Da
LogP
4.13
cLogP
Strain ΔE
43.3 kcal/mol
SASA buried
74%
Lipo contact
77% BSA apolar/total
SASA unbound
767 Ų
Apolar buried
437 Ų

Interaction summary

HB 6 HY 7 PI 1 CLASH 1 ⚠ Exposure 52%

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
52% of hydrophobic surface appears solvent-exposed (12/23 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 23 Buried (contacted) 11 Exposed 12 LogP 4.13 H-bonds 6
Exposed fragments: phenyl (3/5 atoms exposed)phenyl (6/6 atoms exposed)aliphatic chain/group (3 atoms exposed)
Final rank4.235Score-28.930
Inter norm-1.019Intra norm0.142
Top1000noExcludedno
Contacts19H-bonds6
Artifact reasongeometry warning; 11 clashes; 3 protein clashes; high strain Δ 43.3
Residues
ALA158 ALA24 ALA40 ASN126 ASN41 ASP129 GLU21 GLU73 GLY23 GLY25 LEU130 LYS127 LYS159 LYS26 PHE38 SER157 SER22 SER27 SER28

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 overlap19Native recall0.90
Jaccard0.90RMSD-
HB strict5Strict recall0.33
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
484 1.6830606252738989 -0.743187 -19.2115 5 14 0 0.00 0.00 - no Open
124 1.9789215848404698 -0.917724 -24.5812 5 18 0 0.00 0.00 - no Open
457 2.5136273279812995 -0.919656 -24.9115 5 18 0 0.00 0.00 - no Open
110 2.8793248649702754 -0.805397 -25.4557 5 15 0 0.00 0.00 - no Open
126 2.9672521965662164 -0.835595 -16.7586 5 17 0 0.00 0.00 - no Open
535 3.304468521208352 -0.813519 -25.9782 5 15 0 0.00 0.00 - no Open
97 3.503518404096005 -1.01121 -27.3035 4 21 19 0.90 0.27 - no Open
473 3.7845323780093345 -0.749603 -15.8986 7 17 0 0.00 0.00 - no Open
484 4.235486935676271 -1.01852 -28.93 6 19 19 0.90 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 -28.930kcal/mol
Ligand efficiency (LE) -0.8767kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.698
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 485.6Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.13
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 43.33kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 117.85kcal/mol
Minimised FF energy 74.52kcal/mol

SASA & burial

✓ computed
SASA (unbound) 766.6Ų
Total solvent-accessible surface area of free ligand
BSA total 570.7Ų
Buried surface area upon binding
BSA apolar 436.9Ų
Hydrophobic contacts buried
BSA polar 133.8Ų
Polar contacts buried
Fraction buried 74.4%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.6%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1438.0Ų
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 538.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)