<a href="https://en.wikipedia.org/wiki/DAPI" class="extiw" title="en:DAPI">DAPI</a> bound to the <a href="https://en.wikipedia.org/wiki/minor_groove" class="extiw" title="en:minor groove">minor groove</a> of <a href="https://en.wikipedia.org/wiki/DNA" class="extiw" title="en:DNA">DNA</a>. From <a href="https://en.wikipedia.org/wiki/Protein_Data_Bank" class="extiw" title="en:Protein Data Bank">PDB</a> 1D30, rendered in <a href="https://en.wikipedia.org/wiki/PyMOL" class="extiw" title="en:PyMOL">PyMOL</a>.
Richard Wheeler (<a href="https://en.wikipedia.org/wiki/User:Zephyris" class="extiw" title="en:User:Zephyris">Zephyris</a>)
CC BY-SA 3.0
<a href="https://en.wikipedia.org/wiki/Image:1D30_DNA%2BDAPI.png" class="extiw" title="en:Image:1D30 DNA+DAPI.png">en:Image:1D30_DNA+DAPI.png</a>