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B1YA36

- PSB1_PYRNV

UniProt

B1YA36 - PSB1_PYRNV

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Protein

Proteasome subunit beta 1

Gene

psmB1

Organism
Pyrobaculum neutrophilum (strain DSM 2338 / JCM 9278 / V24Sta) (Thermoproteus neutrophilus)
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 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 sitei2 – 21NucleophileUniRule annotation

GO - Molecular functioni

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

GO - Biological processi

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

Keywords - Molecular functioni

Hydrolase, Protease, Threonine protease

Enzyme and pathway databases

BioCyciTNEU444157:GHL2-52-MONOMER.

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:Tneu_0052
OrganismiPyrobaculum neutrophilum (strain DSM 2338 / JCM 9278 / V24Sta) (Thermoproteus neutrophilus)
Taxonomic identifieri444157 [NCBI]
Taxonomic lineageiArchaeaCrenarchaeotaThermoproteiThermoprotealesThermoproteaceaePyrobaculum
ProteomesiUP000001694: 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 – 11Removed in mature form; by autocatalysisUniRule annotationPRO_0000397482
Chaini2 – 201200Proteasome subunit beta 1PRO_0000397483Add
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

STRINGi444157.Tneu_0052.

Structurei

3D structure databases

ProteinModelPortaliB1YA36.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the peptidase T1B family.UniRule annotation

Phylogenomic databases

eggNOGiCOG0638.
HOGENOMiHOG000091083.
KOiK03433.
OMAiMVDWLGT.

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.
IPR016050. Proteasome_bsu_CS.
IPR001353. Proteasome_sua/b.
IPR023333. Proteasome_suB-type.
[Graphical view]
PfamiPF00227. 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.

B1YA36-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MTTTVGIAVR EGVVLATDKR VTAGYYIAHK QGEKIWKIDD HVAATMSGGV
60 70 80 90 100
ADLQSVLSFL TLRAREYKME YKRPIPIRAL VNYVSLILFY SRPYIYIVHS
110 120 130 140 150
IIGGVDDEEG AVLYMADWLG TVTKERYIAT GSGSPYAKGA LEVGYREDMS
160 170 180 190 200
LEDAVDLAIK AVKAAIRNDP GSGEGIDVVV ITKREGFRRV FTAQQKIVLA

E
Length:201
Mass (Da):22,152
Last modified:May 20, 2008 - v1
Checksum:i2D718B6FF9477CD2
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP001014 Genomic DNA. Translation: ACB39010.1.
RefSeqiYP_001793456.1. NC_010525.1.

Genome annotation databases

EnsemblBacteriaiACB39010; ACB39010; Tneu_0052.
GeneIDi6164696.
KEGGitne:Tneu_0052.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP001014 Genomic DNA. Translation: ACB39010.1 .
RefSeqi YP_001793456.1. NC_010525.1.

3D structure databases

ProteinModelPortali B1YA36.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 444157.Tneu_0052.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ACB39010 ; ACB39010 ; Tneu_0052 .
GeneIDi 6164696.
KEGGi tne:Tneu_0052.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci TNEU444157:GHL2-52-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.
IPR016050. Proteasome_bsu_CS.
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.
PROSITEi PS00854. PROTEASOME_BETA_1. 1 hit.
PS51476. PROTEASOME_BETA_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: DSM 2338 / JCM 9278 / V24Sta.

Entry informationi

Entry nameiPSB1_PYRNV
AccessioniPrimary (citable) accession number: B1YA36
Entry historyi
Integrated into UniProtKB/Swiss-Prot: August 10, 2010
Last sequence update: May 20, 2008
Last modified: October 29, 2014
This is version 45 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