Gabrb2 - Model 6511 - PM

Point Mutation Knockout

Cryopreserved Model
This line is cryopreserved and requires cryorecovery.

B6;129S6 Background

  • Model #
  • Genotype
  • Nomenclature
  • 6511
  • The targeting vector has been generated using 129SvEv DNA and transfected into 129SvEv ES cell line.
  • The N265S point mutation was introduced into Gabrb2 exon 8.
  • The neomycin resistance cassette, which is flanked by loxP sites, was introduced into intron 7.
  • Chimeric mice were produced and germ line transmission achieved.
  • The neomycin resistance gene has been removed in the constitutive PM mice by crossing to Cre-Deleter mice.
  • The N265S point mutation in exon 8 abolishes etomidate binding of the Gabrb2 N265S receptor, but keeps the Gabrb2 function otherwise normal.
  • Gabrb2 N265S constitutive PM mice are in a mixed C57BL/6-129SvEv genetic background.
  • See D.S. Reynolds et al, J Neurosci. 2003 Sep 17;23(24):8608-17, for further details.

Gene Family:


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Allele Type:



Merck Research Laboratories


Cryopreserved at Taconic



Official Gene Name:

gamma-aminobutyric acid (GABA) A receptor, subunit beta 2

Customers may purchase this model by signing the appropriate Terms of Sale (below) and providing a PO. The GEM Collection Commercial and Academic Terms of Sale grant perpetual use rights.
GEM Collection models exist as cryopreserved materials. Models can typically be recovered and delivered to customers within 14-16 weeks after order receipt. Customers will receive:

  • A minimum of four (4) mice mutant for the selected mutation. In rare cases where the cryopreserved material also contains a recombinase gene, this may be reduced to 1-2 mutant mice.
  • Validated genotyping protocols
  • Animal health report. Mice will meet Taconic's Murine Pathogen Free™ (MPF™) health standard.

Please note that in rare instances (2%) cryorecovery may prove to be difficult, either extending timeline or ultimately successful recovery.

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