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Tbio
CLDN18
Claudin-18

Protein Summary
Description
Plays a major role in tight junction-specific obliteration of the intercellular space, through calcium-independent cell-adhesion activity. This gene encodes a member of the claudin family. Claudins are integral membrane proteins and components of tight junction strands. Tight junction strands serve as a physical barrier to prevent solutes and water from passing freely through the paracellular space between epithelial or endothelial cell sheets, and also play critical roles in maintaining cell polarity and signal transductions. This gene is upregulated in patients with ulcerative colitis and highly overexpressed in infiltrating ductal adenocarcinomas. PKC/MAPK/AP-1 (protein kinase C/mitogen-activated protein kinase/activator protein-1) dependent pathway regulates the expression of this gene in gastric cells. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jun 2010]
Uniprot Accession IDs
Gene Name
Ensembl ID
  • ENST00000183605
  • ENSP00000183605
  • ENSG00000066405
  • ENST00000343735
  • ENSP00000340939

Symbol
  • SFTA5
  • SFTPJ
Illumination Graph
Knowledge Table
Most Knowledge About
Knowledge Value (0 to 1 scale)
microRNA
0.66
tissue sample
0.66
cell type or tissue
0.63
protein domain
0.58
virus perturbation
0.5


IDG Development Level Summary
Tdark

These are targets about which virtually nothing is known. They do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 119.06   (req: < 5)
Gene RIFs: 28   (req: <= 3)
Antibodies: 187   (req: <= 50)
Tbio

These targets do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 119.06   (req: >= 5)
Gene RIFs: 28   (req: > 3)
Antibodies: 187   (req: > 50)

- OR - satisfy the following criterion:

Gene Ontology Terms: 9
Tchem

Target has at least one ChEMBL compound with an activity cutoff of < 30 nM - AND - satisfies the preceding conditions

Active Ligand: 0
Tclin

Target has at least one approved drug - AND - satisfies the preceding conditions

Active Drug: 0