Nucleotide sequence of the gene encoding adenovirus type 2 DNA binding protein.

AUTOR(ES)

Kruijer, W

RESUMO

We have determined the nucleotide sequence of the gene encoding adenovirus type 2 (Ad2) DNA binding protein (DBP). From the nucleotide sequence the complete amino acid sequence of Ad2 DBP has been deduced. A comparison of the amino acid sequences of Ad2 and Ad5 DBP, both 529 residues long, reveals that the C-terminal 354 residues of both sequences are identical. Within the N-terminal 175 amino acid residues Ad2 and Ad5 show nine differences. The site of mutation in Ad2 ND1ts23, a mutant with a temperature-sensitive DNA replication, was mapped at the nucleotide level. A single nucleotide alteration in the DBP gene, resulting in a leucine leads to phenylalanine substitution at position 282 in the amino acid sequence is responsible for the temperature-sensitive character of this mutant. Previously, we localized the mutation of another DBP mutant with a temperature-sensitive DNA replication (H5ts125) at position 413 in the amino acid sequence of the DBP molecule (Nucleic Acids Res. 9 (1981) 4439-4457). These mapping data are discussed in relation to the structure and function of the DBP molecule.

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