Binder profile

KE1

Ligand co-crystallized with a similar protein (Protein Data Bank).

Bound to: PA5514 — beta-lactamase

Via homolog PDB 6n6v UniProt Q9L4P2 C17H27N3O5S
Mol. weight 385.49 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
KE1
PDB
6n6v
UniProt (similar protein)
Q9L4P2
Target protein
PA5514

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 385.49 Da
LogP (Crippen) -0.36
H-bond donors 4
H-bond acceptors 7
TPSA 118.97 Ų
Rotatable bonds 7
Aromatic rings 0 / 2
Heavy atoms 26
Fraction sp³ C 0.71
Formula C17H27N3O5S

Drug-likeness

Descriptor-based ADME screening flags from SMILES. These are not experimental toxicity results.

Permeability proxy Check

Estimated from TPSA and LogP only: TPSA ≤ 90 Ų and −1 ≤ LogP ≤ 5 are treated as a favorable small-molecule permeability screen.

Lipinski's Rule of Five Pass 0 violations
  • MW ≤ 500 Da 385.5
  • LogP ≤ 5 -0.36
  • H-bond donors ≤ 5 4
  • H-bond acceptors ≤ 10 7
Veber's rules Pass
  • Rotatable bonds ≤ 10 7
  • TPSA ≤ 140 Ų 119.0
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
C[C@@H]1[C@@H](NC(=C1S[C@@H]2C[C@@H](NC2)C(=O)N(C)C)C(=O)O)[C@H](C=O)[C@@H](C)O
InChI 
InChI=1S/C17H27N3O5S/c1-8-13(11(7-21)9(2)22)19-14(17(24)25)15(8)26-10-5-12(18-6-10)16(23)20(3)4/h7-13,18-19,22H,5-6H2,1-4H3,(H,24,25)/t8-,9-,10-,11-,12-,13-/m1/s1
InChIKey 
DYQHXZPAIVAJRU-PCEBWVJKSA-N

Provenance

Annotation context from LigQ_2, the internal TPW step that collects PDB, ChEMBL, and ZINC ligand evidence.

Method
LigQ nearest_k
Source
PDB
Binding sites
PF00905

External resources

Open this ligand in third-party databases and cheminformatics tools.

Other binders for this protein

Quick navigation to other ligands bound to PA5514.

PDB 6

Ligands co-crystallized with this protein (structural evidence).

Ligand PDB entry

ChEMBL 2

Compounds with measured inhibitory activity on this target (higher pchembl = more potent).

Compound Potency (pchembl)

ZINC 49

Virtual screening candidates selected by structural similarity to known actives (Tanimoto ≥ 0.5).

Compound Similarity (Tanimoto)