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  • Title: Properties of the ribonucleic acid bacteriophage ZIK-1 coat protein and its synthesis in an Escherichia coli cell-free system.
    Author: Robinson JW.
    Journal: Biochem J; 1972 Jul; 128(3):481-9. PubMed ID: 4564257.
    Abstract:
    The coat protein subunit of the RNA bacteriophage ZIK/1 has a molecular weight of 12100 and does not contain histidine, methionine and cysteine. The amino acid composition of the coat protein is different from that of other RNA bacteriophage coat proteins. Bacteriophage ZIK/1 belongs to a class of RNA bacteriophages distinct from the f2 type, which lack histidine in their coat proteins, and the Qbeta type, which lack histidine and methionine. Bacteriophage ZIK/1 RNA is an efficient template in the Escherichia coli cell-free system producing coat protein as the major product and a number of non-coat proteins. This result is similar to that obtained with RNA from f2-type bacteriophages. It is probable that the genomes of RNA bacteriophages are structurally similar and that differences between the types of RNA bacteriophage arise from minor differences in RNA sequence.
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