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C8XAQ4

- PSB_NAKMY

UniProt

C8XAQ4 - PSB_NAKMY

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Protein

Proteasome subunit beta

Gene

prcB

Organism
Nakamurella multipartita (strain ATCC 700099 / DSM 44233 / JCM 9543 / Y-104) (Microsphaera multipartita)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi

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 ARC-20S proteasome complex, likely via the docking of the C-termini of ARC into the intersubunit pockets in the alpha-rings, may trigger 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

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei58 – 581NucleophileUniRule annotation

GO - Molecular functioni

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

GO - Biological processi

  1. modification-dependent protein catabolic process Source: UniProtKB-HAMAP
  2. proteasomal protein catabolic process Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Molecular functioni

Hydrolase, Protease, Threonine protease

Enzyme and pathway databases

BioCyciNMUL479431:GHQL-2998-MONOMER.
UniPathwayiUPA00997.

Names & Taxonomyi

Protein namesi
Recommended name:
Proteasome subunit betaUniRule annotation (EC:3.4.25.1UniRule annotation)
Alternative name(s):
20S proteasome beta subunitUniRule annotation
Proteasome core protein PrcBUniRule annotation
Gene namesi
Name:prcBUniRule annotation
Ordered Locus Names:Namu_2969
OrganismiNakamurella multipartita (strain ATCC 700099 / DSM 44233 / JCM 9543 / Y-104) (Microsphaera multipartita)
Taxonomic identifieri479431 [NCBI]
Taxonomic lineageiBacteriaActinobacteriaActinobacteridaeActinomycetalesFrankineaeNakamurellaceaeNakamurella
ProteomesiUP000002218: Chromosome

Subcellular locationi

Cytoplasm UniRule annotation

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-HAMAP
  2. proteasome core complex, beta-subunit complex Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm, Proteasome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Propeptidei1 – 5757Removed in mature form; by autocatalysisUniRule annotationPRO_0000397556Add
BLAST
Chaini58 – 288231Proteasome subunit betaPRO_0000397557Add
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 by the proteasome-associated ATPase, ARC.UniRule annotation

Protein-protein interaction databases

STRINGi479431.Namu_2969.

Family & Domainsi

Sequence similaritiesi

Belongs to the peptidase T1B family.UniRule annotation

Phylogenomic databases

eggNOGiCOG0638.
HOGENOMiHOG000245308.
KOiK03433.
OMAiFQVELEH.
OrthoDBiEOG6XM79W.

Family and domain databases

Gene3Di3.60.20.10. 1 hit.
HAMAPiMF_02113_B. Proteasome_B_B.
InterProiIPR029055. Ntn_hydrolases_N.
IPR022483. Pept_T1A_Psome_suB_actinobac.
IPR001353. Proteasome_sua/b.
IPR023333. Proteasome_suB-type.
[Graphical view]
PfamiPF00227. Proteasome. 1 hit.
[Graphical view]
SUPFAMiSSF56235. SSF56235. 1 hit.
TIGRFAMsiTIGR03690. 20S_bact_beta. 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.

C8XAQ4-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MTVDGQVGRW PVSAIPAAYM RPGSGSFTEF LAGAEPHLLP GRAGAQPAGA
60 70 80 90 100
APAVPHGTTI VALTCEQGVV VAGDRRATMG NIIAQRDIEK VFVADSHSAI
110 120 130 140 150
GIAGTAGLAV EMVRLFRLEL EHYEKIEGVR LSLDGKANRL ATMIRGNLGM
160 170 180 190 200
AMQGLAVVPL FAGVEEDPEV DPVKRGPGGG RIFSYDVAGG KYEEHDYYAV
210 220 230 240 250
GSGSTFARSA LKKRYNAAAD LPGAVRTAVE ALYDAADDDS ATGGPDLTRR
260 270 280
IFPVVVAITA QGAVRWSDDE VGVVAEAVVA GRMVNPGG
Length:288
Mass (Da):29,942
Last modified:November 3, 2009 - v1
Checksum:iBFCB39CCF7FE8A0F
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP001737 Genomic DNA. Translation: ACV79307.1.
RefSeqiYP_003202296.1. NC_013235.1.

Genome annotation databases

EnsemblBacteriaiACV79307; ACV79307; Namu_2969.
GeneIDi8448582.
KEGGinml:Namu_2969.
PATRICi22663516. VBINakMul62011_2982.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP001737 Genomic DNA. Translation: ACV79307.1 .
RefSeqi YP_003202296.1. NC_013235.1.

3D structure databases

ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 479431.Namu_2969.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ACV79307 ; ACV79307 ; Namu_2969 .
GeneIDi 8448582.
KEGGi nml:Namu_2969.
PATRICi 22663516. VBINakMul62011_2982.

Phylogenomic databases

eggNOGi COG0638.
HOGENOMi HOG000245308.
KOi K03433.
OMAi FQVELEH.
OrthoDBi EOG6XM79W.

Enzyme and pathway databases

UniPathwayi UPA00997 .
BioCyci NMUL479431:GHQL-2998-MONOMER.

Family and domain databases

Gene3Di 3.60.20.10. 1 hit.
HAMAPi MF_02113_B. Proteasome_B_B.
InterProi IPR029055. Ntn_hydrolases_N.
IPR022483. Pept_T1A_Psome_suB_actinobac.
IPR001353. Proteasome_sua/b.
IPR023333. Proteasome_suB-type.
[Graphical view ]
Pfami PF00227. Proteasome. 1 hit.
[Graphical view ]
SUPFAMi SSF56235. SSF56235. 1 hit.
TIGRFAMsi TIGR03690. 20S_bact_beta. 1 hit.
PROSITEi PS51476. PROTEASOME_BETA_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 700099 / DSM 44233 / JCM 9543 / Y-104.

Entry informationi

Entry nameiPSB_NAKMY
AccessioniPrimary (citable) accession number: C8XAQ4
Entry historyi
Integrated into UniProtKB/Swiss-Prot: August 10, 2010
Last sequence update: November 3, 2009
Last modified: October 29, 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, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. Peptidase families
    Classification of peptidase families and list of entries
  3. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3