GTP-binding protein associated with amino acid binding proteins from olfactory epithelium of skate, Dasyatis pastinaca.
作者信息
Novoselov V I, Krapivinskaya L D, Krapivinsky G B, Fesenko E E
机构信息
Institute of Biological Physics, USSR Academy of Sciences, Pushchino, Moscow Region.
出版信息
FEBS Lett. 1988 Jul 18;234(2):471-4. doi: 10.1016/0014-5793(88)80140-6.
PMID:2839378
Abstract
Amino acid binding protein (98 kDa) from olfactory epithelium of skate, Dasyatis pastinaca, form a stable complex with the 56 kDa protein. This complex dissociates in the presence of 10 microM GTP gamma S and 2 mM MgCl2. The 56 kDa protein has a steady-state GTPase activity (15 nmol/min per mg). Binding of amino acids to the 98 kDa protein specifically stimulates GTPase activity of the 56 kDa protein; half-maximal stimulation of GTPase activity is observed at 0.1 microM amino acid.
摘要
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