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 jch EBI. All beta proteins Ribonuclease domain of colicin Ribonuclease domain of colicin Ribonuclease domain of colicin Ribonuclease domain of colicin Ribonuclease domain of colicin Coiled coil proteins Antiparallel coiledcoil Colicin receptor domain Colicin receptor domain Colicin receptor domain EBI jch November Colicin