title: A genomic clone encoding a cryptophyte phycoerythrin alpha-subunit. Evidence for three alpha-subunits and an N-terminal membrane transit sequence.
abstract: A genomic library of Chroomonas (Cryptophyceae) DNA has been constructed in lambda EMBL4. Using a synthetic oligomer as a hybridization probe, a clone containing a phycoerythrin alpha-subunit has been obtained and sequenced. The principal alpha 1- and alpha 2-subunits of the holoprotein have been partially sequenced by sequential Edman degradation and differ from the DNA derived sequence, providing evidence for at least 3 alpha-subunit genes. The nucleotide sequence of the alpha-subunit gene is GC rich and encodes an N-terminal extension which is putatively thylakoid-lumen directing.
authors.affiliation: School of Biological Sciences, Macquarie University, N.S.W., Australia.
authors.forename: J
authors.initials: J
authors.lastname: Jenkins
authors.forename: R G
authors.initials: RG
authors.lastname: Hiller
authors.forename: J
authors.initials: J
authors.lastname: Speirs
authors.forename: J
authors.initials: J
authors.lastname: Godovac-Zimmermann
mesh_terms: D000595:Amino Acid Sequence; D001483:Base Sequence; D003001:Cloning, Molecular; D056890:Eukaryota / Q000235:genetics*; D017343:Genes, Plant; D046911:Macromolecular Substances; D008969:Molecular Sequence Data; D010799:Phycoerythrin / Q000235:genetics*; D010957:Plasmids; D015183:Restriction Mapping; D012689:Sequence Homology, Nucleic Acid
chemical_list: D046911:Macromolecular Substances; D010799:Phycoerythrin