FAIRMol

Z57009636

Pose ID 14886 Compound 2680 Pose 648

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 Z57009636

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
19.0 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.76, Jaccard 0.70, H-bond role recall 0.36
Burial
86%
Hydrophobic fit
75%
Reason: no major geometry red flags detected
1 protein-contact clashes 47% of hydrophobic surface appears solvent-exposed (8/17 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 (-1.279 kcal/mol/HA) ✓ Good fit quality (FQ -11.29) ✓ Strong H-bond network (12 bonds) ✓ Deep burial (86% SASA buried) ✓ Lipophilic contacts well-matched (75%) ✗ Moderate strain (19.0 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (10)
Score
-29.419
kcal/mol
LE
-1.279
kcal/mol/HA
Fit Quality
-11.29
FQ (Leeson)
HAC
23
heavy atoms
MW
315
Da
LogP
1.60
cLogP
Strain ΔE
19.0 kcal/mol
SASA buried
86%
Lipo contact
75% BSA apolar/total
SASA unbound
547 Ų
Apolar buried
355 Ų

Interaction summary

HB 12 HY 13 PI 1 CLASH 1 ⚠ Exposure 47%
⚠️Partial hydrophobic solvent exposure
47% of hydrophobic surface appears solvent-exposed (8/17 atoms). Partial exposure is common but may limit selectivity and membrane permeability.
Non-polar atoms 17 Buried (contacted) 9 Exposed 8 LogP 1.6 H-bonds 12
Exposed fragments: phenyl (6/6 atoms exposed)aliphatic chain/group (2 atoms exposed)
Final rank4.106Score-29.419
Inter norm-1.399Intra norm0.120
Top1000noExcludedno
Contacts18H-bonds12
Artifact reasongeometry warning; 10 clashes; 3 protein clashes
Residues
ALA24 ALA40 ASN41 GLN42 GLU21 GLU73 GLY23 GLY25 GLY71 LEU39 LYS127 LYS159 LYS26 PHE38 SER22 SER27 SER28 THR44

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

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 overlap16Native recall0.76
Jaccard0.70RMSD-
HB strict5Strict recall0.33
HB same residue+role4HB role recall0.36
HB same residue5HB residue recall0.45

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

All stored poses for this docking hit

PoseFinal rankInter normScoreHBCTCT overlapCT recallHB role rec.RMSDExcluded
623 -0.21493581621955696 -1.3166 -29.3146 4 16 0 0.00 0.00 - no Open
636 1.9065028710157321 -0.990453 -18.7513 5 15 0 0.00 0.00 - no Open
638 2.078718061437694 -1.03904 -19.278 6 14 1 0.05 0.00 - no Open
640 2.4645938733667183 -1.04408 -17.2106 10 13 0 0.00 0.00 - no Open
629 3.425746121157447 -1.25604 -25.7731 12 17 0 0.00 0.00 - no Open
625 3.6012935560196184 -1.2648 -22.3059 11 17 0 0.00 0.00 - no Open
648 4.1058842412556915 -1.39928 -29.419 12 18 16 0.76 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 -29.419kcal/mol
Ligand efficiency (LE) -1.2791kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.289
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 315.3Da
Lipinski: ≤ 500 Da
LogP (cLogP) 1.60
Lipinski: ≤ 5
Rotatable bonds 6

Conformational strain (MMFF94s)

Strain energy (ΔE) 19.04kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 81.50kcal/mol
Minimised FF energy 62.46kcal/mol

SASA & burial

✓ computed
SASA (unbound) 547.0Ų
Total solvent-accessible surface area of free ligand
BSA total 470.8Ų
Buried surface area upon binding
BSA apolar 354.5Ų
Hydrophobic contacts buried
BSA polar 116.3Ų
Polar contacts buried
Fraction buried 86.1%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 75.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1282.7Ų
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 515.2Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)