Rabbit anti-Human PSMB7 Polyclonal Antibody

Uniprot Id

Q99436

Target Species

Human

Target Name

PSMB7

Target Full Name

Proteasome subunit beta type-7

Target Function

Component of the 20S core proteasome complex involved in the proteolytic degradation of most intracellular proteins. This complex plays numerous essential roles within the cell by associating with different regulatory particles. Associated with two 19S regulatory particles, forms the 26S proteasome and thus participates in the ATP-dependent degradation of ubiquitinated proteins. The 26S proteasome plays a key role in the maintenance of protein homeostasis by removing misfolded or damaged proteins that could impair cellular functions, and by removing proteins whose functions are no longer required. Associated with the PA200 or PA28, the 20S proteasome mediates ubiquitin-independent protein degradation. This type of proteolysis is required in several pathways including spermatogenesis (20S-PA200 complex) or generation of a subset of MHC class I-presented antigenic peptides (20S-PA28 complex). Within the 20S core complex, PSMB7 displays a trypsin-like activity.

Target Subcellular Location

Cytoplasm. Nucleus.

Target Protein Families

Peptidase T1B family

Target Tissue Specificity

Expressed at a low level in colonic mucosa. Up-regulated in colorectal cancer tissues.

Target Research Area

Immunology

Target Synonyms

Macropain chain Z; Multicatalytic endopeptidase complex chain Z; Proteasome (prosome macropain) subunit beta type 7; Proteasome beta 7 subunit; Proteasome catalytic subunit 2; Proteasome subunit alpha; Proteasome subunit beta 7 ; Proteasome subunit beta type-7; Proteasome subunit Z; PSB7_HUMAN; PSMB7; PUP1; Z

Target Background

The proteasome is a multicatalytic proteinase complex with a highly ordered ring-shaped 20S core structure. The core structure is composed of 4 rings of 28 non-identical subunits; 2 rings are composed of 7 alpha subunits and 2 rings are composed of 7 beta subunits. Proteasomes are distributed throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. The encoded protein is a member of the proteasome B-type family, also known as the T1B family, and is a 20S core beta subunit in the proteasome. Expression of this catalytic subunit is downregulated by gamma interferon, and proteolytic processing is required to generate a mature subunit. A pseudogene of this gene is located on the long arm of chromosome 14.