FAIRMol

Z49638306

Pose ID 14654 Compound 845 Pose 416

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 Z49638306

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
16.9 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.95, Jaccard 0.87, H-bond role recall 0.64
Burial
83%
Hydrophobic fit
77%
Reason: no major geometry red flags detected
2 protein-contact clashes
Molecular report
Full metrics ↗
Weak Marginal quality. Consider only alongside better-scoring alternatives.
✓ Excellent LE (-1.043 kcal/mol/HA) ✓ Good fit quality (FQ -10.06) ✓ Strong H-bond network (12 bonds) ✓ Deep burial (83% SASA buried) ✓ Lipophilic contacts well-matched (77%) ✗ Moderate strain (16.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-31.299
kcal/mol
LE
-1.043
kcal/mol/HA
Fit Quality
-10.06
FQ (Leeson)
HAC
30
heavy atoms
MW
398
Da
LogP
3.86
cLogP
Strain ΔE
16.9 kcal/mol
SASA buried
83%
Lipo contact
77% BSA apolar/total
SASA unbound
670 Ų
Apolar buried
427 Ų

Interaction summary

HB 12 HY 8 PI 1 CLASH 2
Final rank2.984Score-31.299
Inter norm-1.151Intra norm0.108
Top1000noExcludedno
Contacts22H-bonds12
Artifact reasongeometry warning; 13 clashes; 1 protein clash
Residues
ALA158 ALA24 ALA40 ASN126 ASN41 ASP129 GLN42 GLU21 GLU43 GLU73 GLY23 GLY25 LEU39 LYS127 LYS159 LYS26 PHE38 SER157 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 overlap20Native recall0.95
Jaccard0.87RMSD-
HB strict8Strict recall0.53
HB same residue+role7HB role recall0.64
HB same residue7HB residue recall0.64

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
419 1.3698913484446682 -1.21986 -37.7354 9 14 0 0.00 0.00 - no Open
474 1.8432837421999981 -0.910572 -21.9565 8 18 0 0.00 0.00 - no Open
383 2.5312611190851566 -0.94378 -32.6909 6 12 0 0.00 0.00 - no Open
416 2.9837563668447795 -1.15112 -31.2989 12 22 20 0.95 0.64 - no Current
446 3.147913771556294 -1.07455 -32.5822 7 12 0 0.00 0.00 - no Open
443 3.27891113853971 -0.71915 -21.2671 8 15 0 0.00 0.00 - no Open
397 4.450463944905651 -0.904324 -25.6236 8 20 0 0.00 0.00 - no Open
405 4.779173564879599 -0.794952 -21.6784 7 14 0 0.00 0.00 - no Open
425 5.063047121982455 -0.974088 -31.2835 7 12 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 -31.299kcal/mol
Ligand efficiency (LE) -1.0433kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.064
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 30HA

Physicochemical properties

Molecular weight 398.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 3.86
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 16.88kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 115.41kcal/mol
Minimised FF energy 98.54kcal/mol

SASA & burial

✓ computed
SASA (unbound) 670.0Ų
Total solvent-accessible surface area of free ligand
BSA total 555.8Ų
Buried surface area upon binding
BSA apolar 427.2Ų
Hydrophobic contacts buried
BSA polar 128.6Ų
Polar contacts buried
Fraction buried 82.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 76.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1377.0Ų
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 529.6Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)