5′

5′ englanniksi

1. That end of any DNA strand that has a terminal phosphate group.

2. Relatively close to the 5′ end of a strand of DNA.

3. 1992, D. Watson|James D. Watson et al., ''Recombinant DNA'', second edition, Scientific American Books, (ISBN), page 147:

A CG pair is often designated CpG to signify that the two nucleotides are contiguous in DNA and that the C is 5′ to the G.