FAIRMol

Z30857987

Pose ID 14808 Compound 1159 Pose 570

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 Z30857987

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding strong Geometry high Native strong SASA done
Strain ΔE
14.6 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.95, Jaccard 0.91, H-bond role recall 0.45
Burial
88%
Hydrophobic fit
75%
Reason: no major geometry red flags detected
1 protein-contact clashes 56% of hydrophobic surface appears solvent-exposed (9/16 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-1.452 kcal/mol/HA) ✓ Good fit quality (FQ -12.81) ✓ Strong H-bond network (10 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (75%) ✗ Moderate strain (14.6 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-33.393
kcal/mol
LE
-1.452
kcal/mol/HA
Fit Quality
-12.81
FQ (Leeson)
HAC
23
heavy atoms
MW
353
Da
LogP
1.89
cLogP
Strain ΔE
14.6 kcal/mol
SASA buried
88%
Lipo contact
75% BSA apolar/total
SASA unbound
584 Ų
Apolar buried
388 Ų

Interaction summary

HB 10 HY 4 PI 1 CLASH 1 ⚠ Exposure 56%

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 (9/16 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 16 Buried (contacted) 7 Exposed 9 LogP 1.89 H-bonds 10
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (3 atoms exposed)
Final rank3.059Score-33.393
Inter norm-1.489Intra norm0.037
Top1000noExcludedno
Contacts21H-bonds10
Artifact reasongeometry warning; 6 clashes; 3 protein clashes
Residues
ALA158 ALA24 ALA40 ASN126 ASN41 ASP129 GLN42 GLU73 GLY23 GLY25 LEU130 LEU39 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 overlap20Native recall0.95
Jaccard0.91RMSD-
HB strict7Strict recall0.47
HB same residue+role5HB role recall0.45
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
554 0.2203022561644955 -1.36019 -30.3993 6 19 0 0.00 0.00 - no Open
567 1.6542963930149828 -1.18885 -26.8787 5 18 0 0.00 0.00 - no Open
573 2.71578287337706 -1.10311 -22.1924 4 19 1 0.05 0.00 - no Open
570 3.0587130104782503 -1.48918 -33.393 10 21 20 0.95 0.45 - no Current
552 3.4718491156602886 -1.32651 -28.7854 12 18 0 0.00 0.00 - no Open
546 3.504691433720093 -1.20709 -25.4384 5 15 0 0.00 0.00 - no Open
556 3.9343705953567754 -1.06026 -20.2148 13 16 0 0.00 0.00 - no Open
582 4.168655656750893 -1.04725 -22.6406 14 17 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 -33.393kcal/mol
Ligand efficiency (LE) -1.4519kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -12.814
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 352.8Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.89
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 14.60kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -60.26kcal/mol
Minimised FF energy -74.86kcal/mol

SASA & burial

✓ computed
SASA (unbound) 584.0Ų
Total solvent-accessible surface area of free ligand
BSA total 517.0Ų
Buried surface area upon binding
BSA apolar 388.1Ų
Hydrophobic contacts buried
BSA polar 128.9Ų
Polar contacts buried
Fraction buried 88.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 75.1%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1310.8Ų
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 500.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)