2.7.2.8 hexamer with an extra N-terminal-linked helix interlinking three dimers, the hexameric architecture is not essential for arginine inhibition but is functionally essential for physiologically relevant arginine control of NAGK 692856 2.7.2.8 homodimer - 722965 2.7.2.8 homodimer 2 * 27000, SDS-PAGE 760403 2.7.2.8 monomer - 689895 2.7.2.8 additional information due to the capacity for self-association the enzyme can exist in different states of aggregation depending on the nature of the ligands and the concentration of phosphate buffer 642355 2.7.2.8 additional information enzyme hexamer forms a complex with PII signaling protein trimer 659433 2.7.2.8 additional information in vivo complex of enzyme with signal transduction protein PII 659433 2.7.2.8 additional information possible interaction of enzyme with PII signal proteins in vivo 660146 2.7.2.8 tetramer - 723557 2.7.2.8 tetramer crystal structure 720845