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    Nature. 1985 Feb 28-Mar 6;313(6005):762-6.

    Structure of large fragment of Escherichia coli DNA polymerase I complexed with dTMP.

    Abstract

    The 3.3-A resolution crystal structure of the large proteolytic fragment of Escherichia coli DNA polymerase I complexed with deoxythymidine monophosphate consists of two domains, the smaller of which binds zinc-deoxythymidine monophosphate. The most striking feature of the larger domain is a deep crevice of the appropriate size and shape for binding double-stranded B-DNA. A flexible subdomain may allow the enzyme to surround completely the DNA substrate, thereby allowing processive nucleotide polymerization without enzyme dissociation.

    PMID:
    3883192
    [PubMed - indexed for MEDLINE]

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