This is the hydrophobic structure of a flap endonuclease enzyme. It has been procedurally shaded for a nice organic look. Its ready right out of the box to incorporate into any scientific visualization.
Flap endonucleases (FENs, also known as 5' nucleases in older references) are a class of nucleolytic enzymes that act as both 5'-3' exonucleases and structure specific endonucleases on specialised DNA structures that occur during the biological processes of DNA replication, DNA repair and DNA recombination. Flap endonucleases have been identified in eukaryotes, prokaryotes, archaea and some viruses. Organisms can have more than one FEN homologue, this redundancy may give an indication of the importance of these enzymes. In prokaryotes, the FEN enzyme is found as an N-terminal domain of DNA polymerase I, but some prokaryotes appear to encode a second homologue.