2V50 | A:38-132,A:812-819; B:38-132,B:812-819; F:569-670; E:569-668; C:38-132,C:812-819; D:38-132,D:812-819; E:38-132,E:812-819; F:38-132,F:812-819; A:569-670; B:569-670; C:569-670; D:569-676 | THE MISSING PART OF THE BACTERIAL MEXAB-OPRM SYSTEM: STRUCTURAL DETERMINATION OF THE MULTIDRUG EXPORTER MEXB |