https://www.ncbi.nlm.nih.gov/Structure/pdb/8U62
8U62: Cryo-EM structure of PsBphP in Pfr state, Dimer of Dimers FL
histidine kinase3-[2-[(Z)-[3-(2-carboxyethyl)-5-[(Z)-(4-ethenyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-4-methyl-pyrrol-1-ium...