The nucleotide sequence of a cDNA clone encoding the wheat Emprotein
Author(s) -
James C. Litts,
Greggory Colwell,
Randy L. Chakerian,
Ralph S. Quatrano
Publication year - 1987
Publication title -
nucleic acids research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 9.008
H-Index - 537
eISSN - 1362-4954
pISSN - 0305-1048
DOI - 10.1093/nar/15.8.3607
Subject(s) - biology , cyanogen bromide , complementary dna , nucleic acid sequence , peptide sequence , microbiology and biotechnology , clone (java method) , coding region , amino acid , protein sequencing , gene , biochemistry , genetics
The nucleotide sequence of a cDNA clone isolated from developing wheat embryos and encoding the Em protein is reported. The entire coding region for Em and the 3' non-translated flank are contained within this clone. The amino acid sequence deduced for Em is very rich in glycine (18 mol%) as well as both basic and acidic residues. The molecular weight of the protein is ca. 9,900 daltons. The deduced sequence is supported by direct amino acid sequencing of cyanogen bromide cleavage fragments obtained from purified Em protein. Em is shown by Southern blots to be a product of a gene family of approximately ten members.
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