Cryo-EM structure of the Bacterial Proteasome Activator Bpa of Mycobacterium tuberculosis

Substrates bind to residues lining the ring of asymmetrically engaged bacterial proteasome activator Bpa.

Bacterial Proteasome Activator Bpa of Mycobacterium tuberculosis

MHHHHHHMVIGLSTGSDDDDVEVIGGVDPRLIAVQENDSDESSLTDLVEQPAKVMRIGTMIKQLLEEVRAAPLDEASRNR
LRDIHATSIRELEDGLAPELREELDRLTLPFNEDAVPSDAELRIAQAQLVGWLEGLFHGIQTALFAQQMAARAQLQQMRQ
GALPPGVGKSGQHGHGTGQYL

Cryo-EM map of the 20S proteasome in complex with the bacterial proteasome activator Bpa from M. tuberculosis

M. tuberculosis bacterial proteasome activator Bpa with bound substrate

truncated M. tuberculosis bacterial proteasome activator Bpa

protein degradation, quality control, proteasomal activator, mycobacteria, CHAPERONE

MVIGLSTGSDDDDVEVIGGVDPRLIAVQENDSDESSLTDLVEQPAKVMRIGTMIKQLLEEVRAAPLDEASRNRLRDIHAT
SIRELEDGLAPELREELDRLTLPFNEDAVPSDAELRIAQAQLVGWLEGLFHGIQTALFAQQMAARAQLQQMRQGALPPGV
GKSGQHGHGTGQYL