FAIRMol

KB_Leish_110

Pose ID 14332 Compound 972 Pose 94

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 KB_Leish_110

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 high Native strong SASA done
Strain ΔE
17.5 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.86, Jaccard 0.82, H-bond role recall 0.36
Burial
85%
Hydrophobic fit
70%
Reason: no major geometry red flags detected
1 protein-contact clashes 58% of hydrophobic surface appears solvent-exposed (11/19 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 (-1.448 kcal/mol/HA) ✓ Good fit quality (FQ -13.67) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (85% SASA buried) ✓ Lipophilic contacts well-matched (70%) ✗ Moderate strain (17.5 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (11)
Score
-40.532
kcal/mol
LE
-1.448
kcal/mol/HA
Fit Quality
-13.67
FQ (Leeson)
HAC
28
heavy atoms
MW
395
Da
LogP
3.82
cLogP
Strain ΔE
17.5 kcal/mol
SASA buried
85%
Lipo contact
70% BSA apolar/total
SASA unbound
631 Ų
Apolar buried
379 Ų

Interaction summary

HB 10 HY 5 PI 1 CLASH 1 ⚠ Exposure 57%

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
58% of hydrophobic surface appears solvent-exposed (11/19 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 19 Buried (contacted) 8 Exposed 11 LogP 3.82 H-bonds 10
Exposed fragments: phenyl (4/6 atoms exposed)phenyl (6/6 atoms exposed)aliphatic chain/group (1 atom exposed)
Final rank4.399Score-40.532
Inter norm-1.172Intra norm-0.275
Top1000noExcludedno
Contacts19H-bonds10
Artifact reasongeometry warning; 11 clashes; 3 protein clashes
Residues
ALA158 ALA24 ALA40 ASN126 ASN41 ASP129 GLU73 GLY23 GLY25 LEU130 LYS127 LYS159 LYS26 PHE38 SER157 SER22 SER27 SER28 THR44

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
Jaccard0.82RMSD-
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
121 0.6480317823511264 -1.09263 -30.7137 4 16 0 0.00 0.00 - no Open
128 0.704294296580414 -0.82137 -25.8407 4 19 0 0.00 0.00 - no Open
123 2.0763430321148384 -0.882629 -31.3156 6 18 1 0.05 0.00 - no Open
146 2.1987026073112794 -1.06308 -36.4462 6 17 0 0.00 0.00 - no Open
91 2.235709846232026 -0.978118 -30.3416 9 18 0 0.00 0.00 - no Open
102 2.3420725108936757 -0.856611 -30.5757 10 14 0 0.00 0.00 - no Open
152 2.882361998789424 -1.01322 -36.5034 3 16 0 0.00 0.00 - no Open
138 3.107716007599668 -0.763711 -30.2928 6 11 0 0.00 0.00 - no Open
163 3.993422811367177 -0.727878 -30.4938 5 9 0 0.00 0.00 - no Open
100 4.39388549559622 -0.956566 -34.2918 15 18 0 0.00 0.00 - no Open
94 4.398591367272989 -1.17212 -40.5324 10 19 18 0.86 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 -40.532kcal/mol
Ligand efficiency (LE) -1.4476kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -13.666
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 28HA

Physicochemical properties

Molecular weight 395.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.82
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 17.54kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -59.21kcal/mol
Minimised FF energy -76.75kcal/mol

SASA & burial

✓ computed
SASA (unbound) 630.8Ų
Total solvent-accessible surface area of free ligand
BSA total 537.9Ų
Buried surface area upon binding
BSA apolar 379.3Ų
Hydrophobic contacts buried
BSA polar 158.5Ų
Polar contacts buried
Fraction buried 85.3%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 70.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1324.8Ų
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 505.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)