Use of 33P for Sanger DNA sequencing.

  • 1 July 1991
    • journal article
    • Vol. 11  (1) , 36, 38
Abstract
The use of [alpha-33P]deoxyadenosine 5'-triphosphate ([alpha-33P]dATP) in DNA sequencing has been described. 33P has a maximum beta-emission energy that is 50% stronger than 35S, but fivefold weaker than 32P. As a result, sequences generated using [alpha-33P]dATP have short exposure times like 32P, yet they maintain band resolution similar to 35S. Handling of [alpha-33P]dATP is straightforward because no special lead or Plexiglas shielding is necessary.

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