A nucleotide-sensing endonuclease from the Gabija bacterial defense system
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چکیده
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a study on construction of iranian life tables: the case study of modified brass logit system
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15 صفحه اولNucleotide flips determine the specificity of the Ecl18kI restriction endonuclease.
Restricion endonuclease Ecl18kI is specific for the sequence /CCNGG and cleaves it before the outer C to generate 5 nt 5'-overhangs. It has been suggested that Ecl18kI is evolutionarily related to NgoMIV, a 6-bp cutter that cleaves the sequence G/CCGGC and leaves 4 nt 5'-overhangs. Here, we report the crystal structure of the Ecl18kI-DNA complex at 1.7 A resolution and compare it with the known...
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متن کاملDNA nucleotide sequence restricted by the RI endonuclease.
The sequence of DNA base pairs adjacent to the phosphodiester bonds cleaved by the RI restriction endonuclease in unmodified DNA from coliphage lambda has been determined. The 5'-terminal nucleotide labeled with (32)P and oligonucleotides up to the heptamer were analyzed from a pancreatic DNase digest. The following sequence of nucleotides adjacent to the RI break made in lambda DNA was deduced...
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ژورنال
عنوان ژورنال: Nucleic Acids Research
سال: 2021
ISSN: 0305-1048,1362-4962
DOI: 10.1093/nar/gkab277