FAIRMol

Z92413403

Pose ID 14888 Compound 65 Pose 650

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 Z92413403

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
26.7 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.95, Jaccard 0.83, H-bond role recall 0.55
Burial
87%
Hydrophobic fit
68%
Reason: no major geometry red flags detected
2 protein-contact 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 (-0.890 kcal/mol/HA) ✓ Good fit quality (FQ -8.49) ✓ Strong H-bond network (12 bonds) ✓ Deep burial (87% SASA buried) ✓ Lipophilic contacts well-matched (68%) ✗ High strain energy (26.7 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (6)
Score
-25.805
kcal/mol
LE
-0.890
kcal/mol/HA
Fit Quality
-8.49
FQ (Leeson)
HAC
29
heavy atoms
MW
431
Da
LogP
2.05
cLogP
Strain ΔE
26.7 kcal/mol
SASA buried
87%
Lipo contact
68% BSA apolar/total
SASA unbound
659 Ų
Apolar buried
393 Ų

Interaction summary

HB 12 HY 9 PI 1 CLASH 2 ⚠ 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 2.05 H-bonds 12
Exposed fragments: phenyl (6/6 atoms exposed)phenyl (2/5 atoms exposed)aliphatic chain/group (2 atoms exposed)
Final rank5.497Score-25.805
Inter norm-1.069Intra norm0.179
Top1000noExcludedno
Contacts23H-bonds12
Artifact reasongeometry warning; 6 clashes; 5 protein clashes; moderate strain Δ 26.7
Residues
ALA158 ALA24 ALA40 ASN126 ASN41 ASP129 GLN42 GLU73 GLY23 GLY25 GLY71 LEU130 LEU39 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 overlap20Native recall0.95
Jaccard0.83RMSD-
HB strict8Strict recall0.53
HB same residue+role6HB role recall0.55
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
621 0.7553128777043048 -0.907356 -22.9807 5 17 0 0.00 0.00 - no Open
614 0.8508650150709747 -1.12527 -31.6 5 21 0 0.00 0.00 - no Open
637 1.5864418633829753 -1.22686 -27.0617 8 16 0 0.00 0.00 - no Open
622 1.9656959157672311 -0.995348 -24.1395 7 14 0 0.00 0.00 - no Open
641 2.1976977249631062 -0.929194 -24.5255 5 20 1 0.05 0.00 - no Open
627 2.3110603471039823 -0.976209 -19.9778 16 17 0 0.00 0.00 - no Open
635 3.7507071858182983 -0.724276 -17.5318 6 11 0 0.00 0.00 - no Open
630 4.416198630356118 -1.08354 -25.6992 6 13 0 0.00 0.00 - no Open
631 5.242837036640544 -0.891898 -20.2023 13 17 0 0.00 0.00 - no Open
650 5.49701072979079 -1.06926 -25.805 12 23 20 0.95 0.55 - 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 -25.805kcal/mol
Ligand efficiency (LE) -0.8898kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.494
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 430.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 2.05
Lipinski: ≤ 5
Rotatable bonds 8

Conformational strain (MMFF94s)

Strain energy (ΔE) 26.70kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -41.83kcal/mol
Minimised FF energy -68.53kcal/mol

SASA & burial

✓ computed
SASA (unbound) 659.2Ų
Total solvent-accessible surface area of free ligand
BSA total 573.8Ų
Buried surface area upon binding
BSA apolar 393.0Ų
Hydrophobic contacts buried
BSA polar 180.8Ų
Polar contacts buried
Fraction buried 87.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 68.5%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1306.0Ų
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 504.7Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)