Logo image
Human cDNA clones for four species of G alpha s signal transduction protein
Journal article   Open access   Peer reviewed

Human cDNA clones for four species of G alpha s signal transduction protein

P Bray, A Carter, C Simons, V Guo, C Puckett, J Kamholz, A Spiegel and M Nirenberg
Proceedings of the National Academy of Sciences - PNAS, Vol.83(23), pp.8893-8897
12/1986
DOI: 10.1073/pnas.83.23.8893
PMID: 3024154
url
https://doi.org/10.1073/pnas.83.23.8893View
Published (Version of record) Open Access

Abstract

lambda gt11 cDNA libraries derived from human brain were screened with oligonucleotide probes for recombinants that code for alpha subunits of G signal transduction proteins. Eleven alpha s clones were detected with both probes and characterized. Four types of alpha s cDNA were cloned that differ in nucleotide sequence in the region that corresponds to amino acid residues 71-88. The clones differ in the codon for alpha s amino acid residue 71 (glutamic acid or aspartic acid), the presence or absence of codons for the next 15 amino acid residues, and the presence or absence of an adjacent serine residue. S1 nuclease protection experiments revealed at least two forms of alpha s mRNA. A mechanism for generating four species of alpha s mRNA by alternative splicing of precursor RNA is proposed.
DNA - genetics Amino Acid Sequence RNA Splicing Exons Introns Base Sequence Humans RNA, Messenger - genetics Single-Strand Specific DNA and RNA Endonucleases Cloning, Molecular Endonucleases GTP-Binding Proteins - genetics

Details

Logo image