Ligand profile

REA

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

Bound to: KP13_02494 — 5-carboxymethyl-2-hydroxymuconate semialdehyde dehydrogenase

Via homolog PDB 5fhz UniProt P47895 Formula C₂₀H₂₈O₂
Mol. weight 300.44 Da
Permeability Check
PAINS Clean

Identifiers

Database identifiers and provenance.

Ligand ID
REA
PDB
5fhz
UniProt (similar protein)
P47895
Target protein
KP13_02494

Structure

2D representation rendered from SMILES.

Physicochemical properties

Computed with RDKit from SMILES.

Molecular weight 300.44 Da
LogP (Crippen) 5.60
H-bond donors 1
H-bond acceptors 1
TPSA 37.30 Ų
Rotatable bonds 5
Aromatic rings 0 / 1
Heavy atoms 22
Fraction sp³ C 0.45
Formula C₂₀H₂₈O₂

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.

  • TPSA ≤ 90 Ų 37.3
  • −1 ≤ LogP ≤ 5 5.60
Lipinski's Rule of Five Pass 1 violation
  • MW ≤ 500 Da 300.4
  • LogP ≤ 5 5.60
  • H-bond donors ≤ 5 1
  • H-bond acceptors ≤ 10 1
Veber's rules Pass
  • Rotatable bonds ≤ 10 5
  • TPSA ≤ 140 Ų 37.3
PAINS Clean

No PAINS structural alerts detected.

Chemical representations

Canonical representations for cheminformatics workflows.

SMILES 
CC1=C(C(CCC1)(C)C)/C=C/C(=C/C=C/C(=C/C(=O)O)/C)/C
InChI 
InChI=1S/C20H28O2/c1-15(8-6-9-16(2)14-19(21)22)11-12-18-17(3)10-7-13-20(18,4)5/h6,8-9,11-12,14H,7,10,13H2,1-5H3,(H,21,22)/b9-6+,12-11+,15-8+,16-14+
InChIKey 
SHGAZHPCJJPHSC-YCNIQYBTSA-N

Provenance

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

Method
LigQ nearest_k
Source
PDB
Binding sites
PF00171

External resources

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

Other ligands for this protein

Quick navigation to other ligands bound to KP13_02494.

PDB 14

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

Ligand PDB entry

ChEMBL 100

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

Compound Potency (pchembl)

ZINC 50

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

Compound Similarity (Tanimoto)