FAIRMol

TC227

Pose ID 14433 Compound 1324 Pose 195

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 TC227

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
50.4 kcal/mol
Protein clashes
3
Internal clashes
3
Native overlap
contact recall 0.71, Jaccard 0.62, H-bond role recall 0.18
Burial
81%
Hydrophobic fit
78%
Reason: strain 50.4 kcal/mol
strain ΔE 50.4 kcal/mol 3 protein-contact clashes 3 intramolecular clashes
Molecular report
Full metrics ↗
Reject Multiple quality flags — this pose should be deprioritised or discarded.
✓ Excellent LE (-0.911 kcal/mol/HA) ✓ Good fit quality (FQ -9.19) ✓ Strong H-bond network (9 bonds) ✓ Deep burial (81% SASA buried) ✓ Lipophilic contacts well-matched (78%) ✗ Extreme strain energy (50.4 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (13)
Score
-31.878
kcal/mol
LE
-0.911
kcal/mol/HA
Fit Quality
-9.19
FQ (Leeson)
HAC
35
heavy atoms
MW
480
Da
LogP
0.73
cLogP
Strain ΔE
50.4 kcal/mol
SASA buried
81%
Lipo contact
78% BSA apolar/total
SASA unbound
753 Ų
Apolar buried
476 Ų

Interaction summary

HB 9 HY 9 PI 1 CLASH 3
Final rank3.290Score-31.878
Inter norm-0.884Intra norm-0.027
Top1000noExcludedno
Contacts18H-bonds9
Artifact reasongeometry warning; 13 clashes; 1 protein clash; high strain Δ 50.0
Residues
ALA158 ALA40 ALA48 ASN126 ASN41 ASP129 GLN42 GLY23 GLY47 LEU130 LEU31 LEU39 LYS127 LYS159 PHE38 SER157 SER27 SER28

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 overlap15Native recall0.71
Jaccard0.62RMSD-
HB strict2Strict recall0.13
HB same residue+role2HB role recall0.18
HB same residue3HB residue recall0.27

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
217 1.3512816325645542 -0.920357 -27.0109 11 17 0 0.00 0.00 - no Open
327 2.562616059620716 -0.697603 -19.8611 7 15 0 0.00 0.00 - no Open
264 2.6884770570826144 -0.757765 -24.6339 3 11 0 0.00 0.00 - no Open
195 3.2904397737734246 -0.883666 -31.8781 9 18 15 0.71 0.18 - no Current
231 3.359211608723208 -0.923712 -28.1727 9 16 0 0.00 0.00 - no Open
204 3.710670948551887 -0.794939 -28.899 12 18 0 0.00 0.00 - no Open
236 3.7529471976223454 -0.658299 -21.2653 7 13 0 0.00 0.00 - no Open
160 4.525021538507883 -0.794752 -29.6473 11 18 0 0.00 0.00 - no Open
148 5.360865640556601 -0.707003 -22.203 10 16 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 -31.878kcal/mol
Ligand efficiency (LE) -0.9108kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -9.187
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 35HA

Physicochemical properties

Molecular weight 480.5Da
Lipinski: ≤ 500 Da
LogP (cLogP) 0.73
Lipinski: ≤ 5
Rotatable bonds 11

Conformational strain (MMFF94s)

Strain energy (ΔE) 50.38kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy -6.58kcal/mol
Minimised FF energy -56.97kcal/mol

SASA & burial

✓ computed
SASA (unbound) 753.0Ų
Total solvent-accessible surface area of free ligand
BSA total 609.4Ų
Buried surface area upon binding
BSA apolar 475.6Ų
Hydrophobic contacts buried
BSA polar 133.8Ų
Polar contacts buried
Fraction buried 80.9%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 78.0%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1438.3Ų
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 515.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)