FAIRMol

CKP-45

Pose ID 2298 Compound 1816 Pose 265

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T04
L. major PTR1 L. major
Ligand CKP-45
PDB7PXX

3D complex viewer

Strict H-bonds Permissive H-bonds
Viewer legend
Protein receptor
Pocket residues
Cofactor context
Docked ligand
Overall assessment
Promising SASA cached
Promising and worth follow-up
Binding strong Geometry high Native strong SASA done
Strain ΔE
4.1 kcal/mol
Protein clashes
1
Internal clashes
2
Native overlap
contact recall 0.58, Jaccard 0.58, H-bond role recall 0.40
Burial
78%
Hydrophobic fit
90%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Low conformational strain (4.1 kcal/mol) ✓ Excellent LE (-1.144 kcal/mol/HA) ✓ Good fit quality (FQ -10.10) ✓ Deep burial (78% SASA buried) ✓ Lipophilic contacts well-matched (90%) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-26.315
kcal/mol
LE
-1.144
kcal/mol/HA
Fit Quality
-10.10
FQ (Leeson)
HAC
23
heavy atoms
MW
299
Da
LogP
4.33
cLogP
Strain ΔE
4.1 kcal/mol
SASA buried
78%
Lipo contact
90% BSA apolar/total
SASA unbound
560 Ų
Apolar buried
395 Ų

Interaction summary

HB 2 HY 24 PI 4 CLASH 2
Final rank1.497Score-26.315
Inter norm-1.158Intra norm0.014
Top1000noExcludedno
Contacts11H-bonds2
Artifact reasongeometry warning; 9 clashes; 1 protein clash; 1 severe cofactor-context clash
Residues
ARG17 HIS241 LEU188 LEU226 LEU229 NDP302 PHE113 SER111 TYR191 TYR194 ARG287

Protein summary

308 residues
Protein targetT04Atoms4210
Residues308Chains3
Residue summaryLEU:494; ALA:421; ARG:384; VAL:368; THR:295; TYR:231; SER:198; PRO:196; ILE:190; LYS:176; ASN:154; GLU:150; GLY:126; PHE:120; HIS:119; ASP:108

Receptor context

1 kept / 0 excluded
Receptor context filtering: interactions and SASA are computed against protein atoms plus allowed cofactors/ions. Native ligand-like HETATM partners are excluded from scoring.
Kept context 1 Excluded HETATM 0
Kept cofactors / ions
A:NDP302

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: strict.
Name7PXXContacts19
PoseOpen native poseHB0
IFP residues
ARG17 ASP181 GLY225 HIS241 LEU188 LEU226 LEU229 LYS198 MET233 NDP302 PHE113 PRO115 SER111 SER112 SER227 TYR191 TYR194 VAL230 ARG287
Current overlap11Native recall0.58
Jaccard0.58RMSD-
HB strict2Strict recall0.33
HB same residue+role2HB role recall0.40
HB same residue2HB residue recall0.40

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
265 1.4966716263453004 -1.15802 -26.3148 2 11 11 0.58 0.40 - 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 -26.315kcal/mol
Ligand efficiency (LE) -1.1441kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -10.098
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 23HA

Physicochemical properties

Molecular weight 299.4Da
Lipinski: ≤ 500 Da
LogP (cLogP) 4.33
Lipinski: ≤ 5
Rotatable bonds 4

Conformational strain (MMFF94s)

Strain energy (ΔE) 4.14kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 59.76kcal/mol
Minimised FF energy 55.63kcal/mol

SASA & burial

✓ computed
SASA (unbound) 560.4Ų
Total solvent-accessible surface area of free ligand
BSA total 436.9Ų
Buried surface area upon binding
BSA apolar 394.6Ų
Hydrophobic contacts buried
BSA polar 42.4Ų
Polar contacts buried
Fraction buried 78.0%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 90.3%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1662.0Ų
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 2179.4Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 1035.3Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)