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PSMB3

Gene
PSMB3
Protein
Proteasome subunit beta type-3
Organism
Bos taurus
Length
205 amino acids
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).
Similarity
Belongs to the peptidase T1B family.
Mass
22.993 kDa
Sequence
MSIMSYNGGAVMAMKGKNCVAIAADRRFGIQAQMVTTDFQKIFPMGDRLYIGLAGLATDVQTVAQRLKFRLNLYELKEGRQIKPYTLMSMVANLLYEKRFGPYYTEPVIAGLDPKTFKPFICSLDLIGCPMVTDDFVVSGTCTEQMYGMCESLWEPNMDPEHLFETISQAMLNAVDRDAVSGMGVIVHIIEKDKITTRTLKARMD

Gene
psmB3
Protein
Proteasome subunit beta type-3
Organism
Dictyostelium discoideum
Length
205 amino acids
Function
The proteasome is a multicatalytic proteinase complex which is characterized by its ability to cleave peptides with Arg, Phe, Tyr, Leu, and Glu adjacent to the leaving group at neutral or slightly basic pH. The proteasome has an ATP-dependent proteolytic activity (By similarity).
Similarity
Belongs to the peptidase T1B family.
Mass
22.816 kDa
Sequence
MSIMAYNGGACIVMVGKNCVAIASDLRFGIQQQTISNDFPKVYRINDKCFVGISGLVTDAQTLYQKLVFRHNLYKLREERDMSPRVVSNLLTNMLYEKRFGPYFTEPLICGLEGPDNTPFISGMDLIGASVATDDFLVVGTMTPAMYGVCETLYKKDMNEDDLFETISQCMLASLDRDALSGWGAIVHVITPTQVITKKLLGRQD

Gene
PSMB3
Protein
Proteasome subunit beta type-3
Organism
Homo sapiens
Length
205 amino acids
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).
Similarity
Belongs to the peptidase T1B family.
Mass
22.949 kDa
Sequence
MSIMSYNGGAVMAMKGKNCVAIAADRRFGIQAQMVTTDFQKIFPMGDRLYIGLAGLATDVQTVAQRLKFRLNLYELKEGRQIKPYTLMSMVANLLYEKRFGPYYTEPVIAGLDPKTFKPFICSLDLIGCPMVTDDFVVSGTCAEQMYGMCESLWEPNMDPDHLFETISQAMLNAVDRDAVSGMGVIVHIIEKDKITTRTLKARMD

Gene
Psmb3
Protein
Proteasome subunit beta type-3
Organism
Mus musculus
Length
205 amino acids
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).
Similarity
Belongs to the peptidase T1B family.
Mass
22.965 kDa
Sequence
MSIMSYNGGAVMAMKGKNCVAIAADRRFGIQAQMVTTDFQKIFPMGDRLYIGLAGLATDVQTVAQRLKFRLNLYELKEGRQIKPYTLMSMVANLLYEKRFGPYYTEPVIAGLDPKTFKPFICSLDLIGCPMVTDDFVVSGTCSEQMYGMCESLWEPNMDPEHLFETISQAMLNAVDRDAVSGMGVIVHVIEKDKITTRTLKARMD

Gene
psmb3
Protein
Proteasome subunit beta type-3
Organism
Oncorhynchus mykiss
Length
205 amino acids
Function
The proteasome is a multicatalytic proteinase complex which is characterized by its ability to cleave peptides with Arg, Phe, Tyr, Leu, and Glu adjacent to the leaving group at neutral or slightly basic pH. The proteasome has an ATP-dependent proteolytic activity.
Similarity
Belongs to the peptidase T1B family.
Mass
23.021 kDa
Sequence
MSIMSYNGGAVMAMKGKQCVAIAADRRFGVQAQMVTTDFQKIFPMGDRLYIGLAGLATDVQTVSQRLKFRLNLYELKEGRQIKPKTFMSMVSNLLYERRFGPYYIEPVIAGLDPKTFEPFICSLDLIGCPMVTEDFVVSGTCSEQMYGMCESLWEPDMEPEDLFETISQAMLNAVDRDAVSGMGVVVQVIEKDKITTRTLKARMD

Gene
Psmb3
Protein
Proteasome subunit beta type-3
Organism
Rattus norvegicus
Length
205 amino acids
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).
Similarity
Belongs to the peptidase T1B family.
Mass
22.965 kDa
Sequence
MSVMSYNGGAVMAMKGKNCVAIAADRRFGIQAQMVTTDFQKIFPMGDRLYIGLAGLATDVQTVAQRLKFRLNLYELKEGRQIKPYTLMSMVANLLYEKRFGPYYTEPVIAGLDPKTFKPFICSLDLIGCPMVTDDFVVSGTCSEQMYGMCESLWEPNMDPEHLFETISQAMLNAVDRDAVSGMGVIVHIIEKDKITTRTLKARMD