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A clone isolated from a tick salivary gland cDNA library encodes a homologue of the human Ki lupus autoantigen, a protein of unknown function that is related to the subunits of the PA28 proteasome activator. The Ki sequences appear to be well conserved between mammals and invertebrates, with 55% identity between the tick and human primary structures. This is the first report of a Ki homologue in invertebrates.


Journal article


Biochim Biophys Acta

Publication Date





9 - 13


Amino Acid Sequence, Animals, Autoantigens, Base Sequence, DNA, Complementary, Guinea Pigs, Humans, Molecular Sequence Data, Muscle Proteins, Nuclear Proteins, Proteasome Endopeptidase Complex, Proteins, Salivary Glands, Sequence Homology, Amino Acid, Ticks