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C6A2V9

- PSB1_THESM

UniProt

C6A2V9 - PSB1_THESM

Protein

Proteasome subunit beta 1

Gene

psmB1

Organism
Thermococcus sibiricus (strain MM 739 / DSM 12597)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 32 (01 Oct 2014)
      Sequence version 1 (01 Sep 2009)
      Previous versions | rss
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    Functioni

    Component of the proteasome core, a large protease complex with broad specificity involved in protein degradation.UniRule annotation

    Catalytic activityi

    Cleavage of peptide bonds with very broad specificity.UniRule annotation

    Enzyme regulationi

    The formation of the proteasomal ATPase PAN-20S proteasome complex, via the docking of the C-termini of PAN into the intersubunit pockets in the alpha-rings, triggers opening of the gate for substrate entry. Interconversion between the open-gate and close-gate conformations leads to a dynamic regulation of the 20S proteasome proteolysis activity.UniRule annotation

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Active sitei10 – 101NucleophileUniRule annotation

    GO - Molecular functioni

    1. threonine-type endopeptidase activity Source: UniProtKB-HAMAP

    GO - Biological processi

    1. proteasomal protein catabolic process Source: UniProtKB-HAMAP

    Keywords - Molecular functioni

    Hydrolase, Protease, Threonine protease

    Enzyme and pathway databases

    BioCyciTSIB604354:GHMS-922-MONOMER.

    Protein family/group databases

    MEROPSiT01.002.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Proteasome subunit beta 1UniRule annotation (EC:3.4.25.1UniRule annotation)
    Alternative name(s):
    20S proteasome beta subunit 1UniRule annotation
    Proteasome core protein PsmB 1UniRule annotation
    Gene namesi
    Name:psmB1UniRule annotation
    Ordered Locus Names:TSIB_0896
    OrganismiThermococcus sibiricus (strain MM 739 / DSM 12597)
    Taxonomic identifieri604354 [NCBI]
    Taxonomic lineageiArchaeaEuryarchaeotaThermococciThermococcalesThermococcaceaeThermococcus
    ProteomesiUP000009079: Chromosome

    Subcellular locationi

    Cytoplasm UniRule annotation

    GO - Cellular componenti

    1. cytoplasm Source: UniProtKB-SubCell
    2. proteasome core complex, beta-subunit complex Source: UniProtKB-HAMAP

    Keywords - Cellular componenti

    Cytoplasm, Proteasome

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Propeptidei1 – 99Removed in mature form; by autocatalysisUniRule annotationPRO_0000397472
    Chaini10 – 207198Proteasome subunit beta 1PRO_0000397473Add
    BLAST

    Keywords - PTMi

    Autocatalytic cleavage, Zymogen

    Interactioni

    Subunit structurei

    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.UniRule annotation

    Protein-protein interaction databases

    STRINGi604354.TSIB_0896.

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the peptidase T1B family.UniRule annotation

    Phylogenomic databases

    eggNOGiCOG0638.
    HOGENOMiHOG000091083.
    KOiK03433.
    OMAiNTAIKRD.

    Family and domain databases

    Gene3Di3.60.20.10. 1 hit.
    HAMAPiMF_02113_A. Proteasome_B_A.
    InterProiIPR029055. Ntn_hydrolases_N.
    IPR019983. Pept_T1A_Psome_bsu_arc.
    IPR000243. Pept_T1A_subB.
    IPR001353. Proteasome_sua/b.
    IPR023333. Proteasome_suB-type.
    [Graphical view]
    PfamiPF00227. Proteasome. 1 hit.
    [Graphical view]
    PRINTSiPR00141. PROTEASOME.
    SUPFAMiSSF56235. SSF56235. 1 hit.
    TIGRFAMsiTIGR03634. arc_protsome_B. 1 hit.
    PROSITEiPS51476. PROTEASOME_BETA_2. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

    Sequence processingi: The displayed sequence is further processed into a mature form.

    C6A2V9-1 [UniParc]FASTAAdd to Basket

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    MWALDKIKGT TTVGIVCKDG VVLTADRRAS LGNMVISKGV TKIFQVDDHL    50
    ALAGAGAVGD ILSLVRALRA ESKLYRAKVG KEMSTKALAT LTSNILSGRK 100
    YLPYFGWFLI GGYDEKPSLY SIDMAGGITE DKYVSAGSGM EFAYSILDNE 150
    YSEKITLNNG VKLAIKAINA AIKRDVFTGD GIMVVTIDRE GYRELSKEEV 200
    EKLLKKL 207
    Length:207
    Mass (Da):22,511
    Last modified:September 1, 2009 - v1
    Checksum:iDA7BB9717CD3124D
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    CP001463 Genomic DNA. Translation: ACS89954.1.
    RefSeqiWP_015849173.1. NC_012883.1.
    YP_002994303.1. NC_012883.1.

    Genome annotation databases

    EnsemblBacteriaiACS89954; ACS89954; TSIB_0896.
    GeneIDi8095889.
    KEGGitsi:TSIB_0896.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    CP001463 Genomic DNA. Translation: ACS89954.1 .
    RefSeqi WP_015849173.1. NC_012883.1.
    YP_002994303.1. NC_012883.1.

    3D structure databases

    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 604354.TSIB_0896.

    Protein family/group databases

    MEROPSi T01.002.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai ACS89954 ; ACS89954 ; TSIB_0896 .
    GeneIDi 8095889.
    KEGGi tsi:TSIB_0896.

    Phylogenomic databases

    eggNOGi COG0638.
    HOGENOMi HOG000091083.
    KOi K03433.
    OMAi NTAIKRD.

    Enzyme and pathway databases

    BioCyci TSIB604354:GHMS-922-MONOMER.

    Family and domain databases

    Gene3Di 3.60.20.10. 1 hit.
    HAMAPi MF_02113_A. Proteasome_B_A.
    InterProi IPR029055. Ntn_hydrolases_N.
    IPR019983. Pept_T1A_Psome_bsu_arc.
    IPR000243. Pept_T1A_subB.
    IPR001353. Proteasome_sua/b.
    IPR023333. Proteasome_suB-type.
    [Graphical view ]
    Pfami PF00227. Proteasome. 1 hit.
    [Graphical view ]
    PRINTSi PR00141. PROTEASOME.
    SUPFAMi SSF56235. SSF56235. 1 hit.
    TIGRFAMsi TIGR03634. arc_protsome_B. 1 hit.
    PROSITEi PS51476. PROTEASOME_BETA_2. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. "Metabolic versatility and indigenous origin of the archaeon Thermococcus sibiricus, isolated from a siberian oil reservoir, as revealed by genome analysis."
      Mardanov A.V., Ravin N.V., Svetlitchnyi V.A., Beletsky A.V., Miroshnichenko M.L., Bonch-Osmolovskaya E.A., Skryabin K.G.
      Appl. Environ. Microbiol. 75:4580-4588(2009) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: MM 739 / DSM 12597.

    Entry informationi

    Entry nameiPSB1_THESM
    AccessioniPrimary (citable) accession number: C6A2V9
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: August 10, 2010
    Last sequence update: September 1, 2009
    Last modified: October 1, 2014
    This is version 32 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programProkaryotic Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    Complete proteome

    Documents

    1. Peptidase families
      Classification of peptidase families and list of entries
    2. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3