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D0LDT1

- PSB_GORB4

UniProt

D0LDT1 - PSB_GORB4

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Protein

Proteasome subunit beta

Gene
prcB, Gbro_2463
Organism
Gordonia bronchialis (strain ATCC 25592 / DSM 43247 / JCM 3198 / NCTC 10667) (Rhodococcus bronchialis)
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 By similarity.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 By similarity.UniRule annotation

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei63 – 631Nucleophile By similarity

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

BioCyciGBRO526226:GHJF-2496-MONOMER.
UniPathwayiUPA00997.

Names & Taxonomyi

Protein namesi
Recommended name:
Proteasome subunit beta (EC:3.4.25.1)
Alternative name(s):
20S proteasome beta subunit
Proteasome core protein PrcB
Gene namesi
Name:prcB
Ordered Locus Names:Gbro_2463
OrganismiGordonia bronchialis (strain ATCC 25592 / DSM 43247 / JCM 3198 / NCTC 10667) (Rhodococcus bronchialis)
Taxonomic identifieri526226 [NCBI]
Taxonomic lineageiBacteriaActinobacteriaActinobacteridaeActinomycetalesCorynebacterineaeGordoniaceaeGordonia
ProteomesiUP000001219: Chromosome

Subcellular locationi

Cytoplasm By similarity UniRule annotation

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-SubCell
  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 – 6262Removed in mature form; by autocatalysis By similarityPRO_0000397512Add
BLAST
Chaini63 – 292230Proteasome subunit betaUniRule annotationPRO_0000397513Add
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 By similarity.

Protein-protein interaction databases

STRINGi526226.Gbro_2463.

Family & Domainsi

Sequence similaritiesi

Belongs to the peptidase T1B family.

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.

D0LDT1-1 [UniParc]FASTAAdd to Basket

« Hide

MSESLGSVPG SLRSGVISPG LSLGADISSF TEYLRAHAPD QLPQARAEAM    50
GLHRAADDIP HGTTIVAVSY PGGVILAGDR RATMGNLIAT RDVKKVYITD 100
EYSAAGIAGT AGIAIEMVRL FAVELEHYEK LEGVPLTLDG KVSRLASMVR 150
GNLGAALQGL AAVPLLVGYD IDHDDPTERG RIFSFDVAGD RHEEFGGYQA 200
IGSGSVFAKS SLKKLYRHDL DEASALAIAV EALYDAADDD SATGGPDIVR 250
KIFPLAAVVD AGGAREVDAE SIEAAARAIV ERRAAEHEGG PR 292
Length:292
Mass (Da):30,578
Last modified:December 15, 2009 - v1
Checksum:iBC8FA8DC46C6E6A7
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP001802 Genomic DNA. Translation: ACY21704.1.
RefSeqiWP_012834259.1. NC_013441.1.
YP_003273597.1. NC_013441.1.

Genome annotation databases

EnsemblBacteriaiACY21704; ACY21704; Gbro_2463.
GeneIDi8551827.
KEGGigbr:Gbro_2463.
PATRICi32184537. VBIGorBro114338_2519.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP001802 Genomic DNA. Translation: ACY21704.1 .
RefSeqi WP_012834259.1. NC_013441.1.
YP_003273597.1. NC_013441.1.

3D structure databases

ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 526226.Gbro_2463.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ACY21704 ; ACY21704 ; Gbro_2463 .
GeneIDi 8551827.
KEGGi gbr:Gbro_2463.
PATRICi 32184537. VBIGorBro114338_2519.

Phylogenomic databases

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

Enzyme and pathway databases

UniPathwayi UPA00997 .
BioCyci GBRO526226:GHJF-2496-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 25592 / DSM 43247 / JCM 3198 / NCTC 10667.

Entry informationi

Entry nameiPSB_GORB4
AccessioniPrimary (citable) accession number: D0LDT1
Entry historyi
Integrated into UniProtKB/Swiss-Prot: August 10, 2010
Last sequence update: December 15, 2009
Last modified: September 3, 2014
This is version 29 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. 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

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