Abstract
The bacteriophage SPO1 DNA polymerase-encoding gene, which contains a self-splicing intron, has been sequenced and its amino acid (aa) sequence has been deduced. The aa sequence of SPO1 DNA polymerase shows a high degree of similarity with that of DNA polymerase I from Escherichia coli (Po1I). Alignment with the sequences of Po1I, and the phi 29 and SPO1 DNA polymerases indicate that the aa residues that have been implicated in 3'----5' exonuclease activities are conserved.
MeSH terms
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Amino Acid Sequence
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Bacillus subtilis*
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Bacteriophages / enzymology*
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Bacteriophages / genetics
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Base Sequence
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DNA Polymerase I / genetics*
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Escherichia coli / genetics
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Exonucleases / metabolism
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Introns / genetics
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Molecular Sequence Data
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Restriction Mapping
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Sequence Homology, Nucleic Acid
Substances
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DNA Polymerase I
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Exonucleases
Associated data
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GENBANK/M74891
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GENBANK/M74892
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GENBANK/M79309
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GENBANK/M79310
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GENBANK/M84415
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GENBANK/M88536
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GENBANK/M88537
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GENBANK/M88538
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GENBANK/M88539
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GENBANK/M90357