Biopolym. Cell. 1987; 3(2):77-82.
Структура и функции биополимеров
Ядерная ДНК-топоизомераза зародышей кукурузы
1Карпенчук К. Г., 1Руденко Г. Н.
  1. Институт ботаники им. Н. Г. Холодного АН УССР
    Киев, СССР

Abstract

Из ядерного экстракта зрелых зародышей Zea mays выделена и частично очищена АТР-независимая ДНК-топоизомераза предположительно I типа. Релаксация отрицательно суперспирализованной ДНК плазмиды pBR322 не ингибируется ЭДТА, новобиоцином и налидиксовой кислотой, активируется ионами магния и полиаминами (спермидином и кадаверином), ингибируется SH-специфическими реагентами и ауринтрикарбоновой кислотой.

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