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 hst EBI. Alpha and beta proteins or Ribonuclease Hlike motif Translational machinery components ERF or Dom middle domainlike Middle domain of eukaryotic peptide chain release factor subunit ERF EBI hst June Middle domain of eukaryotic peptide chain release factor subunit ERF Files uploaded by Nichalp's script