The type iv secretion system (T4SS) subunits VirB7 and VirB9 contain two intrinsically disordered domains that form a rigid complex - Macias, Angy Liseth Dávalos; Cardoso, Marcus V. C; Farah, Chuck Shaker; Salinas, Roberto Kopke (Annual Meeting of the Brazilian Society for Biochemistry and Molecular Biology/SBBq, 2018)