Binder profile

OPL

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

Bound to: PA0480 — 3-oxoadipate enol-lactonase

Via homolog PDB 4iha UniProt Q10QA5 C5H10O4
Mol. weight 134.13 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
OPL
PDB
4iha
UniProt (similar protein)
Q10QA5
Target protein
PA0480

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 134.13 Da
LogP (Crippen) -1.51
H-bond donors 3
H-bond acceptors 4
TPSA 77.76 Ų
Rotatable bonds 3
Aromatic rings 0 / 0
Heavy atoms 9
Fraction sp³ C 0.80
Formula C5H10O4

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 134.1
  • LogP ≤ 5 -1.51
  • H-bond donors ≤ 5 3
  • H-bond acceptors ≤ 10 4
Veber's rules Pass
  • Rotatable bonds ≤ 10 3
  • TPSA ≤ 140 Ų 77.8
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
C[C@H]([C@H](C=O)O)C(O)O
InChI 
InChI=1S/C5H10O4/c1-3(5(8)9)4(7)2-6/h2-5,7-9H,1H3/t3-,4+/m1/s1
InChIKey 
NTSABUYTFOFFJR-DMTCNVIQSA-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
PF12697

External resources

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

Other binders for this protein

Quick navigation to other ligands bound to PA0480.

PDB 13

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

Ligand PDB entry

ZINC 50

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

Compound Similarity (Tanimoto)