helical repeat

helical repeat

[′hel·ə·kəl ri′pēt]
(cell and molecular biology)
The number of base pairs in one turn of a deoxyribonucleic acid helix.
References in periodicals archive ?
Wasserman et al (1988) reported about the helical repeat of double strands nature in DNA supercoiling.
The helical repeat of doublestanded DNA varies as a function of catenation and supercoiling.