FAIRMol

CKP-58

Pose ID 1011 Compound 816 Pose 333

DB SELECTIONDocking pose analysis is being read from this database.
Molecular metrics status: done
RDKit SASA-based burial metrics are cached.
SASA cached
T02
Human DHFR Human
Ligand CKP-58
PDB5SD8

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
12.4 kcal/mol
Protein clashes
1
Internal clashes
1
Native overlap
contact recall 0.90, Jaccard 0.90, H-bond role recall 0.00
Burial
90%
Hydrophobic fit
95%
Reason: no major geometry red flags detected
1 protein-contact clashes
Molecular report
Full metrics ↗
Promising Reasonable quality metrics. Warrants further investigation.
✓ Excellent LE (-0.889 kcal/mol/HA) ✓ Good fit quality (FQ -8.49) ✓ Deep burial (90% SASA buried) ✓ Lipophilic contacts well-matched (95%) ✗ Moderate strain (12.4 kcal/mol) ✗ Geometry warnings ✗ Internal clashes (9)
Score
-25.788
kcal/mol
LE
-0.889
kcal/mol/HA
Fit Quality
-8.49
FQ (Leeson)
HAC
29
heavy atoms
MW
404
Da
LogP
5.07
cLogP
Strain ΔE
12.4 kcal/mol
SASA buried
90%
Lipo contact
95% BSA apolar/total
SASA unbound
688 Ų
Apolar buried
585 Ų

Interaction summary

HB 2 HY 24 PI 1 CLASH 1
Final rank1.643Score-25.788
Inter norm-0.898Intra norm0.008
Top1000noExcludedno
Contacts19H-bonds1
Artifact reasongeometry warning; 9 clashes; 1 protein clash
Residues
ALA10 ASN65 ASP22 GLU31 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO62 SER60 THR137 THR57 TYR122 VAL116 VAL9

Protein summary

200 residues
Protein targetT02Atoms3128
Residues200Chains2
Residue summaryLYS:374; LEU:361; GLU:240; VAL:224; ARG:192; PHE:180; ILE:171; PRO:168; ASN:140; SER:132; TYR:126; GLN:119; ASP:108; MET:102; THR:98; GLY:91

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:NAP201

Native ligand reference

★ reference
Interaction fingerprint calculated directly from the uploaded native ligand without docking. Current H-bond mode: permissive.
Name5SD8Contacts21
PoseOpen native poseHB0
IFP residues
ALA10 ASN65 ASP22 GLN36 GLU31 GLY117 GLY21 ILE61 ILE8 LEU23 LEU68 NAP201 PHE32 PHE35 PRO62 SER60 THR137 THR57 TYR122 VAL116 VAL9
Current overlap19Native recall0.90
Jaccard0.90RMSD-
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
268 0.9055169176518225 -0.856567 -22.3381 3 18 0 0.00 0.00 - no Open
333 1.6431658613741225 -0.897662 -25.7878 1 19 19 0.90 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 -25.788kcal/mol
Ligand efficiency (LE) -0.8892kcal/mol/HA
Score / heavy atom count
Fit quality (FQ) -8.488
LE / (0.072 + 0.95/HAC) — Leeson & Springthorpe
Heavy atom count 29HA

Physicochemical properties

Molecular weight 403.9Da
Lipinski: ≤ 500 Da
LogP (cLogP) 5.07
Lipinski: ≤ 5
Rotatable bonds 5

Conformational strain (MMFF94s)

Strain energy (ΔE) 12.40kcal/mol
< 5 good · 5–10 marginal · > 10 problematic
Docked FF energy 33.41kcal/mol
Minimised FF energy 21.02kcal/mol

SASA & burial

✓ computed
SASA (unbound) 687.6Ų
Total solvent-accessible surface area of free ligand
BSA total 617.3Ų
Buried surface area upon binding
BSA apolar 585.0Ų
Hydrophobic contacts buried
BSA polar 32.3Ų
Polar contacts buried
Fraction buried 89.8%
> 60 % indicates good pocket engagement
Lipophilic contact ratio 94.8%
BSA apolar / BSA total — high = hydrophobic driver
Δ Non-polar SASA -1694.0Ų
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 1677.9Ų
Non-polar SASA of receptor alone (VdW proxy, nonpolar atoms only)
Complex non-polar SASA 623.4Ų
Non-polar SASA of full complex (VdW proxy, nonpolar atoms only)