FAIRMol

CKP-27

Pose ID 7043 Compound 3682 Pose 269

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T11
L. infantum SIR2 L. infantum
Ligand CKP-27

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
10.9 kcal/mol
Protein clashes
2
Internal clashes
2
Native overlap
contact recall 0.67, Jaccard 0.50, H-bond role recall 0.00
Burial
93%
Hydrophobic fit
97%
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 (-1.001 kcal/mol/HA) ✓ Good fit quality (FQ -8.97) ✓ Deep burial (93% SASA buried) ✓ Lipophilic contacts well-matched (97%) ✗ Moderate strain (10.9 kcal/mol) ✗ Geometry warnings ✗ Many internal clashes (12)
Score
-24.024
kcal/mol
LE
-1.001
kcal/mol/HA
Fit Quality
-8.97
FQ (Leeson)
HAC
24
heavy atoms
MW
315
Da
LogP
4.18
cLogP
Strain ΔE
10.9 kcal/mol
SASA buried
93%
Lipo contact
97% BSA apolar/total
SASA unbound
590 Ų
Apolar buried
532 Ų

Interaction summary

HB 2 HY 24 PI 4 CLASH 2
Final rank2.182Score-24.024
Inter norm-1.062Intra norm0.061
Top1000noExcludedno
Contacts18H-bonds2
Artifact reasongeometry warning; 12 clashes; 1 protein clash
Residues
ASN125 ASP127 GLN124 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 LEU93 LEU95 PHE189 PHE190 PHE51 PHE74 PRO223 VAL188 VAL221

Protein summary

287 residues
Protein targetT11Atoms4391
Residues287Chains1
Residue summaryLEU:627; ARG:432; VAL:384; GLU:316; PHE:300; ILE:285; ALA:260; PRO:238; HIS:187; ASP:157; LYS:154; SER:154; THR:154; GLY:147; ASN:140; TYR:126

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: permissive.
Name5OL0Contacts18
PoseOpen native poseHB0
IFP residues
ASN193 GLN220 GLU192 GLY191 HIS144 HIS222 ILE126 LEU194 LEU226 PHE189 PHE190 PHE199 PHE74 PRO223 THR71 VAL187 VAL188 VAL221
Current overlap12Native recall0.67
Jaccard0.50RMSD-
HB strict0Strict recall0.00
HB same residue+role0HB role recall0.00
HB same residue0HB residue recall0.00

HB · H-bonds

Mode: permissive. 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
269 2.182493281650764 -1.06228 -24.0244 2 18 12 0.67 0.00 - 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 -24.024kcal/mol
Ligand efficiency (LE) -1.0010kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.971
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 24HA

Physicochemical properties

Molecular weight 315.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.18
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 10.93kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 49.07kcal/mol
Minimised FF energy 38.14kcal/mol

SASA & burial

✓ computed
SASA (unbound) 589.8Ų
Total solvent-accessible surface area of free ligand
BSA total 548.6Ų
Buried surface area upon binding
BSA apolar 531.5Ų
Hydrophobic contacts buried
BSA polar 17.1Ų
Polar contacts buried
Fraction buried 93.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 96.9%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -2007.1Ų
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 2380.0Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 942.9Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)