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B8GEZ3

- PSA_METPE

UniProt

B8GEZ3 - PSA_METPE

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Protein

Proteasome subunit alpha

Gene

psmA

Organism
Methanosphaerula palustris (strain ATCC BAA-1556 / DSM 19958 / E1-9c)
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

GO - Molecular functioni

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

GO - Biological processi

  1. ubiquitin-dependent protein catabolic process Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Hydrolase, Protease, Threonine protease

Enzyme and pathway databases

BioCyciMPAL521011:GI2F-2587-MONOMER.

Names & Taxonomyi

Protein namesi
Recommended name:
Proteasome subunit alphaUniRule annotation (EC:3.4.25.1UniRule annotation)
Alternative name(s):
20S proteasome alpha subunitUniRule annotation
Proteasome core protein PsmAUniRule annotation
Gene namesi
Name:psmAUniRule annotation
Ordered Locus Names:Mpal_2526
OrganismiMethanosphaerula palustris (strain ATCC BAA-1556 / DSM 19958 / E1-9c)
Taxonomic identifieri521011 [NCBI]
Taxonomic lineageiArchaeaEuryarchaeotaMethanomicrobiaMethanomicrobialesMethanoregulaceaeMethanosphaerula
ProteomesiUP000002457: Chromosome

Subcellular locationi

Cytoplasm UniRule annotation

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-KW
  2. proteasome core complex, alpha-subunit complex Source: InterPro
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm, Proteasome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 241241Proteasome subunit alphaPRO_1000192661Add
BLAST

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

STRINGi521011.Mpal_2526.

Family & Domainsi

Sequence similaritiesi

Belongs to the peptidase T1A family.UniRule annotation

Phylogenomic databases

eggNOGiCOG0638.
HOGENOMiHOG000091085.
KOiK03432.
OMAiFQVNYAR.

Family and domain databases

Gene3Di3.60.20.10. 1 hit.
HAMAPiMF_00289_A. Proteasome_A_A.
InterProiIPR029055. Ntn_hydrolases_N.
IPR019982. Proteasome_asu_arc.
IPR000426. Proteasome_asu_N.
IPR023332. Proteasome_suA-type.
IPR001353. Proteasome_sua/b.
[Graphical view]
PfamiPF00227. Proteasome. 1 hit.
PF10584. Proteasome_A_N. 1 hit.
[Graphical view]
SMARTiSM00948. Proteasome_A_N. 1 hit.
[Graphical view]
SUPFAMiSSF56235. SSF56235. 1 hit.
TIGRFAMsiTIGR03633. arc_protsome_A. 1 hit.
PROSITEiPS00388. PROTEASOME_ALPHA_1. 1 hit.
PS51475. PROTEASOME_ALPHA_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

B8GEZ3-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MQPQYQMGYD RAITVFSPDG RLYQVEYARE AVKRGTTAVG IKCNDGIVLL
60 70 80 90 100
VDKRVNSKLL EPSSIEKIFK IDNHIGVASS GLVGDARSLV DRARVESQVN
110 120 130 140 150
RVSYDEQIDV EMLSKKLCDH MQTYTQFGGA RPYGTALLIA GISDGQFRLF
160 170 180 190 200
ETDPSGTLLE YKATGIGIGR NAVMKVFEEE YNPEASIRDA ILLGLKALHA
210 220 230 240
ATEGKFDVNT VEIGVVNNDT PAFRKMSRQE VASFVEQIEQ S
Length:241
Mass (Da):26,646
Last modified:March 3, 2009 - v1
Checksum:iFFD19C6CC8E8091B
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP001338 Genomic DNA. Translation: ACL17799.1.
RefSeqiWP_012619118.1. NC_011832.1.
YP_002467522.1. NC_011832.1.

Genome annotation databases

EnsemblBacteriaiACL17799; ACL17799; Mpal_2526.
GeneIDi7271695.
KEGGimpl:Mpal_2526.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CP001338 Genomic DNA. Translation: ACL17799.1 .
RefSeqi WP_012619118.1. NC_011832.1.
YP_002467522.1. NC_011832.1.

3D structure databases

ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 521011.Mpal_2526.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ACL17799 ; ACL17799 ; Mpal_2526 .
GeneIDi 7271695.
KEGGi mpl:Mpal_2526.

Phylogenomic databases

eggNOGi COG0638.
HOGENOMi HOG000091085.
KOi K03432.
OMAi FQVNYAR.

Enzyme and pathway databases

BioCyci MPAL521011:GI2F-2587-MONOMER.

Family and domain databases

Gene3Di 3.60.20.10. 1 hit.
HAMAPi MF_00289_A. Proteasome_A_A.
InterProi IPR029055. Ntn_hydrolases_N.
IPR019982. Proteasome_asu_arc.
IPR000426. Proteasome_asu_N.
IPR023332. Proteasome_suA-type.
IPR001353. Proteasome_sua/b.
[Graphical view ]
Pfami PF00227. Proteasome. 1 hit.
PF10584. Proteasome_A_N. 1 hit.
[Graphical view ]
SMARTi SM00948. Proteasome_A_N. 1 hit.
[Graphical view ]
SUPFAMi SSF56235. SSF56235. 1 hit.
TIGRFAMsi TIGR03633. arc_protsome_A. 1 hit.
PROSITEi PS00388. PROTEASOME_ALPHA_1. 1 hit.
PS51475. PROTEASOME_ALPHA_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Complete sequence of Candidatus Methanosphaerula E1-9c."
    US DOE Joint Genome Institute
    Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H., Bruce D., Goodwin L., Pitluck S., Kiss H., Lu M., Brettin T., Detter J.C., Han C., Larimer F., Land M., Hauser L., Kyrpides N., Ovchinnikova G.O., Zinder S.
    Submitted (DEC-2008) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC BAA-1556 / DSM 19958 / E1-9c.

Entry informationi

Entry nameiPSA_METPE
AccessioniPrimary (citable) accession number: B8GEZ3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 28, 2009
Last sequence update: March 3, 2009
Last modified: October 29, 2014
This is version 42 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. Peptidase families
    Classification of peptidase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3