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Database: UniProt
Entry: A0A1U7R685_MESAU
LinkDB: A0A1U7R685_MESAU
Original site: A0A1U7R685_MESAU 
ID   A0A1U7R685_MESAU        Unreviewed;       276 AA.
AC   A0A1U7R685;
DT   10-MAY-2017, integrated into UniProtKB/TrEMBL.
DT   10-MAY-2017, sequence version 1.
DT   24-JAN-2024, entry version 32.
DE   RecName: Full=Proteasome subunit beta {ECO:0000256|RuleBase:RU004203};
GN   Name=Psmb8 {ECO:0000313|RefSeq:XP_005086916.1};
OS   Mesocricetus auratus (Golden hamster).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea;
OC   Cricetidae; Cricetinae; Mesocricetus.
OX   NCBI_TaxID=10036 {ECO:0000313|Proteomes:UP000189706, ECO:0000313|RefSeq:XP_005086916.1};
RN   [1] {ECO:0000313|RefSeq:XP_005086916.1}
RP   IDENTIFICATION.
RG   RefSeq;
RL   Submitted (SEP-2023) to UniProtKB.
CC   -!- FUNCTION: Component of the proteasome, a multicatalytic proteinase
CC       complex which is characterized by its ability to cleave peptides with
CC       Arg, Phe, Tyr, Leu, and Glu adjacent to the leaving group at neutral or
CC       slightly basic pH. The proteasome has an ATP-dependent proteolytic
CC       activity. {ECO:0000256|RuleBase:RU004203}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Cleavage of peptide bonds with very broad specificity.;
CC         EC=3.4.25.1; Evidence={ECO:0000256|ARBA:ARBA00001198};
CC   -!- SUBUNIT: Component of the proteasome complex.
CC       {ECO:0000256|RuleBase:RU004203}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|RuleBase:RU004203}.
CC       Nucleus {ECO:0000256|RuleBase:RU004203}.
CC   -!- SIMILARITY: Belongs to the peptidase T1B family.
CC       {ECO:0000256|RuleBase:RU004203}.
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DR   RefSeq; XP_005086916.1; XM_005086859.3.
DR   AlphaFoldDB; A0A1U7R685; -.
DR   STRING; 10036.ENSMAUP00000003203; -.
DR   GeneID; 101835386; -.
DR   KEGG; maua:101835386; -.
DR   CTD; 5696; -.
DR   eggNOG; KOG0175; Eukaryota.
DR   OrthoDB; 4492251at2759; -.
DR   Proteomes; UP000189706; Unplaced.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR   GO; GO:0005839; C:proteasome core complex; IEA:Ensembl.
DR   GO; GO:1990111; C:spermatoproteasome complex; IEA:Ensembl.
DR   GO; GO:0004298; F:threonine-type endopeptidase activity; IEA:InterPro.
DR   GO; GO:0019882; P:antigen processing and presentation; IEA:Ensembl.
DR   GO; GO:0045444; P:fat cell differentiation; IEA:Ensembl.
DR   GO; GO:0051603; P:proteolysis involved in protein catabolic process; IEA:InterPro.
DR   CDD; cd03761; proteasome_beta_type_5; 1.
DR   Gene3D; 3.60.20.10; Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1; 1.
DR   InterPro; IPR029055; Ntn_hydrolases_N.
DR   InterPro; IPR000243; Pept_T1A_subB.
DR   InterPro; IPR016050; Proteasome_bsu_CS.
DR   InterPro; IPR001353; Proteasome_sua/b.
DR   InterPro; IPR023333; Proteasome_suB-type.
DR   PANTHER; PTHR32194; METALLOPROTEASE TLDD; 1.
DR   PANTHER; PTHR32194:SF1; PROTEASOME SUBUNIT BETA; 1.
DR   Pfam; PF00227; Proteasome; 1.
DR   PRINTS; PR00141; PROTEASOME.
DR   SUPFAM; SSF56235; N-terminal nucleophile aminohydrolases (Ntn hydrolases); 1.
DR   PROSITE; PS00854; PROTEASOME_BETA_1; 1.
DR   PROSITE; PS51476; PROTEASOME_BETA_2; 1.
PE   3: Inferred from homology;
KW   Cytoplasm {ECO:0000256|RuleBase:RU004203};
KW   Differentiation {ECO:0000256|ARBA:ARBA00022782};
KW   Immunity {ECO:0000256|ARBA:ARBA00022859};
KW   Nucleus {ECO:0000256|ARBA:ARBA00023242, ECO:0000256|RuleBase:RU004203};
KW   Proteasome {ECO:0000256|ARBA:ARBA00022942, ECO:0000256|RuleBase:RU004203};
KW   Reference proteome {ECO:0000313|Proteomes:UP000189706}.
FT   ACT_SITE        73
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR600243-1"
SQ   SEQUENCE   276 AA;  30673 MW;  92F953DB102E4BF1 CRC64;
     MALLDLCGGA RGQRPEWATL GAERGYRSDP GHYSFSVQAP ELALPQGMQP TDFLRSFGGD
     QERNVQIEMA HGTTTLAFKF QHGVIVAVDS RASAGTYIST LRVNKVIEIN PYLLGTMSGC
     AADCQYWERL LAKECRLYYL RNGERISVSA ASKLLSNMML QYRGMGLSMG SMICGWDKKG
     PGLYYVDENG TRLSGRMFST GSGNTYAYGV MDSGYRQDLS PQEAYDLGRR AIVHATHRDC
     YSGGVVNMYH MKEDGWVKVE SSDVSDLMHK YREANQ
//
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