Peripheral plasma membrane protein CASK
is a protein
that in humans is encoded by the CASK gene
. This gene is also known by several other names: CMG 2 (CAMGUK protein 2), calcium/calmodulin-dependent serine protein kinase 3 and membrane-associated guanylate kinase 2.
This gene is located on the short arm of the X chromosome
(Xp11.4). It is 404,253 bases in length and lies on the Crick (minus) strand. The encoded protein has 926 amino acids with a predicted molecular weight of 105.123 kDa.
This protein is a multidomain scaffolding protein with a role in synaptic transmembrane protein anchoring and ion channel trafficking. It interacts with the transcription factor TBR1
and binds to several cell-surface proteins including amyloid precursor protein
Unlike many protein kinases, it does not require a divalent cation such as magnesium for catalytic activity
According to one study, CASK forms protein complexes with CINAP
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This gene has been implicated in X linked mental retardation.Tarpey PS, Smith R, Pleasance E, Whibley A, Edkins S, Hardy C, O'Meara S, Latimer C, Dicks E, Menzies A, Stephens P, Blow M,... Read More