Identification of four different forms of syntaxin 3 - PubMed (original) (raw)

. 1995 Jun 26;211(3):997-1005.

doi: 10.1006/bbrc.1995.1910.

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Identification of four different forms of syntaxin 3

K Ibaraki et al. Biochem Biophys Res Commun. 1995.

Abstract

cDNAs for four different forms of syntaxin 3 were cloned from a mouse brain cDNA library, and the proteins encoded by these clones were named syntaxin 3A (previous syntaxin 3), 3B, 3C and 3D. Syntaxin 3B contained a different sequence in the carboxyl terminal region from that of syntaxin 3A. The amino terminal region of syntaxin 3C contained an 18 amino acid sequence instead of a 34 amino acid sequence present in syntaxins 3A and 3B. Syntaxin 3D consisted of only 86 amino acids and lacked any putative transmembrane segments. These forms of syntaxin 3 are probably generated by alternative splicing of the primary transcript of syntaxin 3 gene. Cytoplasmic portions of syntaxins 3A and 3B but not of syntaxin 3C or 3D bound to Munc-18/n-sec1.

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