The present report was undertaken in an effort to characterize the nature of Ca2+ binding protein(s) in the central nervous system of less evolved vertebrates. In particular we investigated whether the brain microsomal fraction of Rana esculenta expresses calsequestrin, calreticulin and/or other related Ca2+ binding protein(s). We found that a 60 KDa protein having an NH2-terminal amino acid sequence similar to mammalian calreticulin is the major microsomal Ca2(+)-binding protein.
Frog brain expresses a 60 KDa Ca2+ binding protein similar to mammalian calreticulin.
VOLPE, POMPEO;POZZAN, TULLIO
1991
Abstract
The present report was undertaken in an effort to characterize the nature of Ca2+ binding protein(s) in the central nervous system of less evolved vertebrates. In particular we investigated whether the brain microsomal fraction of Rana esculenta expresses calsequestrin, calreticulin and/or other related Ca2+ binding protein(s). We found that a 60 KDa protein having an NH2-terminal amino acid sequence similar to mammalian calreticulin is the major microsomal Ca2(+)-binding protein.
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