FAIRMol

Z44848695

Pose ID 14658 Compound 635 Pose 420

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 Z44848695

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Reject SASA cached
Promising but geometrically suspicious
Binding strong Geometry low Native strong SASA done
Strain ΔE
46.3 kcal/mol
Protein clashes
5
Internal clashes
5
Native overlap
contact recall 0.86, Jaccard 0.64, H-bond role recall 0.36
Burial
88%
Hydrophobic fit
81%
Reason: strain 46.3 kcal/mol
strain ΔE 46.3 kcal/mol 5 protein-contact clashes 5 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-1.117 kcal/mol/HA) ✓ Good fit quality (FQ -11.08) ✓ Strong H-bond network (15 bonds) ✓ Deep burial (88% SASA buried) ✓ Lipophilic contacts well-matched (81%) ✗ Extreme strain energy (46.3 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (18)
Score
-36.860
kcal/mol
LE
-1.117
kcal/mol/HA
Fit Quality
-11.08
FQ (Leeson)
HAC
33
heavy atoms
MW
437
Da
LogP
4.75
cLogP
Strain ΔE
46.3 kcal/mol
SASA buried
88%
Lipo contact
81% BSA apolar/total
SASA unbound
685 Ų
Apolar buried
491 Ų

Interaction summary

HB 15 HY 11 PI 1 CLASH 5

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

Final rank5.507Score-36.860
Inter norm-1.058Intra norm-0.059
Top1000noExcludedno
Contacts25H-bonds15
Artifact reasongeometry warning; 18 clashes; 2 protein clashes; high strain Δ 46.2
Residues
ALA158 ALA24 ASN126 ASN41 ASP129 GLN42 GLU43 GLU73 GLY23 GLY25 GLY47 GLY71 ILE46 LEU130 LYS127 LYS159 LYS26 PHE38 SER157 SER22 SER27 SER28 THR44 THR45 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 overlap18Native recall0.86
Jaccard0.64RMSD-
HB strict5Strict recall0.33
HB same residue+role4HB role recall0.36
HB same residue4HB residue recall0.36

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
394 1.5511473651921004 -1.11002 -33.6375 6 17 0 0.00 0.00 - no Open
427 2.155713059795852 -0.809808 -29.0159 2 15 0 0.00 0.00 - no Open
429 2.2027243072175025 -0.596559 -19.3192 4 9 0 0.00 0.00 - no Open
400 2.3769900297927964 -0.864096 -29.2758 8 18 0 0.00 0.00 - no Open
477 2.5118889280486956 -0.921659 -28.9271 3 15 0 0.00 0.00 - no Open
423 2.6973180339470275 -0.991555 -32.4439 5 16 0 0.00 0.00 - no Open
512 2.878072317435572 -0.737357 -22.0076 5 13 0 0.00 0.00 - no Open
424 3.482811106572005 -0.747623 -32.1977 7 16 0 0.00 0.00 - no Open
447 3.985364387552201 -0.680606 -23.5838 2 13 0 0.00 0.00 - no Open
486 4.241488649191899 -0.865383 -24.9832 3 19 0 0.00 0.00 - no Open
420 5.506531047686867 -1.05786 -36.8603 15 25 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 -36.860kcal/mol
Ligand efficiency (LE) -1.1170kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -11.082
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 33HA

Physicochemical properties

Molecular weight 437.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.75
Lipinski: ≤ 5
Rotatable bonds 7

Conformational strain (MMFF94s)

Strain energy (ΔE) 46.26kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 141.69kcal/mol
Minimised FF energy 95.43kcal/mol

SASA & burial

✓ computed
SASA (unbound) 685.4Ų
Total solvent-accessible surface area of free ligand
BSA total 606.4Ų
Buried surface area upon binding
BSA apolar 491.4Ų
Hydrophobic contacts buried
BSA polar 115.0Ų
Polar contacts buried
Fraction buried 88.5%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 81.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1397.5Ų
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 506.1Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)