Search Ontology:
ChEBI

5-bromo-4-chloro-3-indolyl beta-D-galactoside

Term ID
CHEBI:75055
Synonyms
  • 5-bromo-4-chloro-1H-indol-3-yl beta-D-galactopyranoside
  • 5-bromo-4-chloro-3-indolyl beta-galactoside
  • 5-bromo-4-chloroindol-3-yl-beta-D-galactopyranoside
  • BCIG
  • Indoxyl-Gal
  • X-Gal
Definition
An indolyl carbohydrate that is the β-D-galactoside of 3-hydroxy-1H-indole in which the indole moiety is substituted at positions 4 and 5 by chlorine and bromine, respectively. It is used to test for the presence of an enzyme, β-galactosidase, which cleaved the glycosidic bond to give 5-bromo-4-chloro-3-hydroxy-1H-indole, which immediately dimerises to give an intensely blue product.
References
  • cas:7240-90-6
  • pubmed:16497398
  • pubmed:1725950
  • pubmed:20150093
  • pubmed:21357066
  • pubmed:2139935
  • pubmed:22301646
  • pubmed:22639266
  • pubmed:22929213
  • pubmed:8373598
  • pubmed:8431289
  • reaxys:1552604
  • wikipedia.en:X-gal
Ontology
ChEBI  ( EBI )
Resources
CTD
Relationships
Phenotype
Phenotype resulting from 5-bromo-4-chloro-3-indolyl beta-D-galactoside
Phenotype where environments contain 5-bromo-4-chloro-3-indolyl beta-D-galactoside
Phenotype modified by environments containing 5-bromo-4-chloro-3-indolyl beta-D-galactoside
Phenotype affecting 5-bromo-4-chloro-3-indolyl beta-D-galactoside
Human Disease Model