This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
CyclinD. en June RCSB PDB Source en Alan Liefting de php CommonsHelper Cellular Biochemistry II en PDauthor PDrelease Original upload log en CyclinD Cellular Biochemistry II bytes pdb org do structureId pdb org do structureId Cell cycle Genes Proteins
Page 2023 Free-images.com. All images are Public Domain