EMBL accession no. X14869 The nucleotide sequence of the region of bacteriophage T4 inh(lip)-hoc genes (108700-111800 bp of the T4 DNA length (1)) was determined. Cloning and analysis of this region were described in (2). Three open reading frames (ORFs) coding for the polypeptides of 97, 205 and X amino acids (aa) were found by computer analysis in the DNA r-strand, the ORF X being a part of the ORF which goes beyond the sequenced region. Two ORFs corresponding by their lengths to the 226aa and 376aa polypeptides were found in the DNA 1-strand. By the amino acid content as well as the molecular mass the protein coded by the ORF 376aa corresponds to the hoc gene product (3). Two potential promoters, P1 (2031-2061) and P2 (2086-2056), transcription from which is directed to the opposite sides and which are located in the different DNA strands, were found in this region. Both promoters are typical of the promoter-consensus DNA structure of bacteriophage T4 late promoters (4). The potential transcription terminator (192-209) is located after the suggested bacteriophage T4 hoc gene (ORF 376aa).
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