psmB (Proteasome subunit beta)
FEATURES
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ORGANISM
Methanocorpusculum labreanum (strain ATCC 43576 / DSM 4855 / Z)
FAMILY
DESCRIPTION
Also known as PSB_METLZ, psmB. Component of the proteasome core, a large protease complex with broad specificity involved in protein degradation. The 20S proteasome core is composed of 14 alpha and 14 beta subunits that assemble into four stacked heptameric rings, resulting in a barrel-shaped structure. The two inner rings, each composed of seven catalytic beta subunits, are sandwiched by two outer rings, each composed of seven alpha subunits. The catalytic chamber with the active sites is on the inside of the barrel. Has a gated structure, the ends of the cylinder being occluded by the N-termini of the alpha-subunits. Is capped at one or both ends by the proteasome regulatory ATPase, PAN.
Also known as PSB_METLZ, psmB. Component of the proteasome core, a large protease complex with broad specificity involved in protein degradation. The 20S proteasome core is composed of 14 alpha and 14 beta subunits that assemble into four stacked heptameric rings, resulting in a barrel-shaped structure. The two inner rings, each composed of seven c
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psmB

Proteasome subunit beta

Molecular Synopsis