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 id EBI. Alpha and beta proteins ab ATPase domain of HSP chaperone or DNA topoisomerase II or histidine kinase ATPase domain of HSP chaperone or DNA topoisomerase II or histidine kinase Histidine kinase Histidine kinase CheA EBI id November Histidine kinase CheA Files uploaded by Nichalp's script