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.
Keywords from Image Description:
PDB ui EBI. Alpha and beta proteins or Fdependent methylenetetrahydromethanopterin dehydrogenase MTD Fdependent methylenetetrahydromethanopterin dehydrogenase MTD Fdependent methylenetetrahydromethanopterin dehydrogenase MTD Fdependent methylenetetrahydromethanopterin dehydrogenase MTD EBI ui November Fdependent methylenetetrahydromethanopterin