title: Regularly arranged protein on the surfaces of Gram-negative bacteria.
mesh_terms: D001419:Bacteria / Q000648:ultrastructure*; D018407:Bacterial Physiological Phenomena; D001426:Bacterial Proteins / Q000302:isolation & purification / Q000378:metabolism* / Q000502:physiology; D002462:Cell Membrane / Q000201:enzymology / Q000648:ultrastructure; D002473:Cell Wall / Q000201:enzymology / Q000648:ultrastructure; D008854:Microscopy, Electron
chemical_list: D001426:Bacterial Proteins