Sequence of an antifreeze protein precursor
Open Access
- 1 August 1984
- journal article
- research article
- Published by Wiley in European Journal of Biochemistry
- Vol. 143 (1) , 35-38
- https://doi.org/10.1111/j.1432-1033.1984.tb08335.x
Abstract
The amino acid sequence of the precursor to the second‐most‐abundant serum antifreeze protein (B) in the winter flounder has been determined by a combination of protein and DNA sequencing. The precursor is an 82‐residue preproprotein which differs in only three positions from the amino acid sequence of the precursor for the most‐abundant serum antifreeze protein (A). The base changes responsible for these substitutions, as well as several silent changes, are all clustered within the DNA coding for the mature protein portion. Among the post‐translational modifications that the precursor undergoes is the removal of the c‐terminal glycine residue. Cloning of full‐length antifreeze protein cDNA has enabled us to identify the transcription initiation site which occurs 49 nucleotides upstream from the initiation codon.This publication has 12 references indexed in Scilit:
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