RsaI: a new sequence-specific endonuclease activity from Rhodopseudomonas sphaeroides.
AUTOR(ES)
Lynn, S P
RESUMO
A new type II sequence-specific endonuclease, RsaI, has been identified from Rhodopseudomonas sphaeroides strain 28/5. An RsaI purification scheme that yields enzyme which is free of contaminating exonuclease and phosphatase activities after a single column fractionation has been developed. The enzyme recognized the tetranucleotide sequence 5'-GTAC-3' and cleaved between the T and A, thereby generating flush ends. RsaI should be extremely useful in deoxyribonucleic acid sequencing experiments.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=293981Documentos Relacionados
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