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Q54QR2

- PSB7_DICDI

UniProt

Q54QR2 - PSB7_DICDI

Protein

Proteasome subunit beta type-7

Gene

psmB7

Organism
Dictyostelium discoideum (Slime mold)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi
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    • History
      Entry version 68 (01 Oct 2014)
      Sequence version 1 (24 May 2005)
      Previous versions | rss
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    Functioni

    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.By similarity

    Catalytic activityi

    Cleavage of peptide bonds with very broad specificity.

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Active sitei35 – 351NucleophileCurated

    GO - Molecular functioni

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

    GO - Biological processi

    1. proteolysis Source: dictyBase
    2. proteolysis involved in cellular protein catabolic process Source: InterPro

    Keywords - Molecular functioni

    Hydrolase, Protease, Threonine protease

    Enzyme and pathway databases

    ReactomeiREACT_204617. Antigen processing: Ubiquitination & Proteasome degradation.
    REACT_210566. AUF1 (hnRNP D0) destabilizes mRNA.
    REACT_212010. Regulation of activated PAK-2p34 by proteasome mediated degradation.
    REACT_214682. Cross-presentation of soluble exogenous antigens (endosomes).
    REACT_217211. ER-Phagosome pathway.
    REACT_217636. Autodegradation of the E3 ubiquitin ligase COP1.
    REACT_221036. Separation of Sister Chromatids.
    REACT_225025. APC/C:Cdc20 mediated degradation of Securin.
    REACT_226311. APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1.
    REACT_226712. Autodegradation of Cdh1 by Cdh1:APC/C.
    REACT_95813. Ubiquitin Mediated Degradation of Phosphorylated Cdc25A.

    Protein family/group databases

    MEROPSiT01.011.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Proteasome subunit beta type-7 (EC:3.4.25.1)
    Gene namesi
    Name:psmB7
    ORF Names:DDB_G0283679
    OrganismiDictyostelium discoideum (Slime mold)
    Taxonomic identifieri44689 [NCBI]
    Taxonomic lineageiEukaryotaAmoebozoaMycetozoaDictyosteliidaDictyostelium
    ProteomesiUP000002195: Chromosome 4, UP000002195: Unassembled WGS sequence

    Organism-specific databases

    dictyBaseiDDB_G0283679. psmB7.

    Subcellular locationi

    Cytoplasm PROSITE-ProRule annotation. Nucleus By similarity

    GO - Cellular componenti

    1. cytoplasm Source: dictyBase
    2. nucleus Source: dictyBase
    3. proteasome core complex Source: InterPro

    Keywords - Cellular componenti

    Cytoplasm, Nucleus, Proteasome

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Propeptidei1 – 3434Removed in mature formBy similarityPRO_0000328484Add
    BLAST
    Chaini35 – 266232Proteasome subunit beta type-7PRO_0000328483Add
    BLAST

    Proteomic databases

    PRIDEiQ54QR2.

    Interactioni

    Subunit structurei

    The 26S proteasome consists of a 20S proteasome core and two 19S regulatory subunits. The 20S proteasome core is composed of 28 subunits that are arranged in four stacked rings, resulting in a barrel-shaped structure. The two end rings are each formed by seven alpha subunits, and the two central rings are each formed by seven beta subunits. The catalytic chamber with the active sites is on the inside of the barrel By similarity.By similarity

    Protein-protein interaction databases

    STRINGi44689.DDB_0232933.

    Structurei

    3D structure databases

    ProteinModelPortaliQ54QR2.
    SMRiQ54QR2. Positions 35-253.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the peptidase T1B family.PROSITE-ProRule annotation

    Phylogenomic databases

    eggNOGiCOG0638.
    KOiK02739.
    OMAiQIWCAGA.
    PhylomeDBiQ54QR2.

    Family and domain databases

    Gene3Di3.60.20.10. 1 hit.
    InterProiIPR029055. Ntn_hydrolases_N.
    IPR000243. Pept_T1A_subB.
    IPR024689. Proteasome_bsu_C.
    IPR016050. Proteasome_bsu_CS.
    IPR001353. Proteasome_sua/b.
    IPR023333. Proteasome_suB-type.
    [Graphical view]
    PfamiPF12465. Pr_beta_C. 1 hit.
    PF00227. Proteasome. 1 hit.
    [Graphical view]
    PRINTSiPR00141. PROTEASOME.
    SUPFAMiSSF56235. SSF56235. 1 hit.
    PROSITEiPS00854. PROTEASOME_BETA_1. 1 hit.
    PS51476. PROTEASOME_BETA_2. 1 hit.
    [Graphical view]

    Sequencei

    Sequence statusi: Complete.

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

    Q54QR2-1 [UniParc]FASTAAdd to Basket

    « Hide

    MENLNRGGFD FDLCNRNNVL EKTGLRMKGF MKTGTTIVGV VYKGGVVLGA    50
    DTRATEGPIV ADKNCEKIHY IADNIYCCGA GTAADTESAT ALISSKLKLH 100
    KLSTGKQTRV ITALTMLKQM LFKYQGHISA ALILGGIDIN GPSLHTIYPH 150
    GSTDQLPYVT MGSGSLAAMA VFEAKYKNDM TKEEAIALVA EAISSGIFND 200
    LGSGSNVDVT VIEPSGVTVL RNYQTPNERK FRNNPYIFKQ GTTPVLKQDI 250
    APLSTKVVIE DIMMGQ 266
    Length:266
    Mass (Da):28,659
    Last modified:May 24, 2005 - v1
    Checksum:iC89700F94FF61842
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AAFI02000056 Genomic DNA. Translation: EAL65606.1.
    RefSeqiXP_638961.1. XM_633869.1.

    Genome annotation databases

    EnsemblProtistsiDDB0232933; DDB0232933; DDB_G0283679.
    GeneIDi8624207.
    KEGGiddi:DDB_G0283679.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AAFI02000056 Genomic DNA. Translation: EAL65606.1 .
    RefSeqi XP_638961.1. XM_633869.1.

    3D structure databases

    ProteinModelPortali Q54QR2.
    SMRi Q54QR2. Positions 35-253.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 44689.DDB_0232933.

    Protein family/group databases

    MEROPSi T01.011.

    Proteomic databases

    PRIDEi Q54QR2.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblProtistsi DDB0232933 ; DDB0232933 ; DDB_G0283679 .
    GeneIDi 8624207.
    KEGGi ddi:DDB_G0283679.

    Organism-specific databases

    dictyBasei DDB_G0283679. psmB7.

    Phylogenomic databases

    eggNOGi COG0638.
    KOi K02739.
    OMAi QIWCAGA.
    PhylomeDBi Q54QR2.

    Enzyme and pathway databases

    Reactomei REACT_204617. Antigen processing: Ubiquitination & Proteasome degradation.
    REACT_210566. AUF1 (hnRNP D0) destabilizes mRNA.
    REACT_212010. Regulation of activated PAK-2p34 by proteasome mediated degradation.
    REACT_214682. Cross-presentation of soluble exogenous antigens (endosomes).
    REACT_217211. ER-Phagosome pathway.
    REACT_217636. Autodegradation of the E3 ubiquitin ligase COP1.
    REACT_221036. Separation of Sister Chromatids.
    REACT_225025. APC/C:Cdc20 mediated degradation of Securin.
    REACT_226311. APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1.
    REACT_226712. Autodegradation of Cdh1 by Cdh1:APC/C.
    REACT_95813. Ubiquitin Mediated Degradation of Phosphorylated Cdc25A.

    Miscellaneous databases

    PROi Q54QR2.

    Family and domain databases

    Gene3Di 3.60.20.10. 1 hit.
    InterProi IPR029055. Ntn_hydrolases_N.
    IPR000243. Pept_T1A_subB.
    IPR024689. Proteasome_bsu_C.
    IPR016050. Proteasome_bsu_CS.
    IPR001353. Proteasome_sua/b.
    IPR023333. Proteasome_suB-type.
    [Graphical view ]
    Pfami PF12465. Pr_beta_C. 1 hit.
    PF00227. Proteasome. 1 hit.
    [Graphical view ]
    PRINTSi PR00141. PROTEASOME.
    SUPFAMi SSF56235. SSF56235. 1 hit.
    PROSITEi PS00854. PROTEASOME_BETA_1. 1 hit.
    PS51476. PROTEASOME_BETA_2. 1 hit.
    [Graphical view ]
    ProtoNeti Search...

    Publicationsi

    1. "The genome of the social amoeba Dictyostelium discoideum."
      Eichinger L., Pachebat J.A., Gloeckner G., Rajandream M.A., Sucgang R., Berriman M., Song J., Olsen R., Szafranski K., Xu Q., Tunggal B., Kummerfeld S., Madera M., Konfortov B.A., Rivero F., Bankier A.T., Lehmann R., Hamlin N.
      , Davies R., Gaudet P., Fey P., Pilcher K., Chen G., Saunders D., Sodergren E.J., Davis P., Kerhornou A., Nie X., Hall N., Anjard C., Hemphill L., Bason N., Farbrother P., Desany B., Just E., Morio T., Rost R., Churcher C.M., Cooper J., Haydock S., van Driessche N., Cronin A., Goodhead I., Muzny D.M., Mourier T., Pain A., Lu M., Harper D., Lindsay R., Hauser H., James K.D., Quiles M., Madan Babu M., Saito T., Buchrieser C., Wardroper A., Felder M., Thangavelu M., Johnson D., Knights A., Loulseged H., Mungall K.L., Oliver K., Price C., Quail M.A., Urushihara H., Hernandez J., Rabbinowitsch E., Steffen D., Sanders M., Ma J., Kohara Y., Sharp S., Simmonds M.N., Spiegler S., Tivey A., Sugano S., White B., Walker D., Woodward J.R., Winckler T., Tanaka Y., Shaulsky G., Schleicher M., Weinstock G.M., Rosenthal A., Cox E.C., Chisholm R.L., Gibbs R.A., Loomis W.F., Platzer M., Kay R.R., Williams J.G., Dear P.H., Noegel A.A., Barrell B.G., Kuspa A.
      Nature 435:43-57(2005) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: AX4.

    Entry informationi

    Entry nameiPSB7_DICDI
    AccessioniPrimary (citable) accession number: Q54QR2
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: April 8, 2008
    Last sequence update: May 24, 2005
    Last modified: October 1, 2014
    This is version 68 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)

    Miscellaneousi

    Keywords - Technical termi

    Complete proteome, Reference proteome

    Documents

    1. Dictyostelium discoideum
      Dictyostelium discoideum: entries, gene names and cross-references to dictyBase
    2. Peptidase families
      Classification of peptidase families and list of entries
    3. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3