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phage portal protein, putative, A118 family This model represents a family of phage minor structural proteins. The protein is suggested to be the head-tail connector, or portal protein, on the basis of its position in the phage gene order, its presence in mature phage, its size, and its conservation across a number of complete genomes of tailed phage that lack other candidate portal proteins. Several other known portal protein families lack clear homology to this family and to each other. [Mobile and extrachromosomal element functions, Prophage functions]
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