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Protein

Proteasome subunit alpha type-6

Gene

Psma6

Organism
Rattus norvegicus (Rat)
Status
Reviewed-Annotation score: Annotation score: 5 out of 5-Experimental evidence at protein leveli

Functioni

Component of the 20S core proteasome complex involved in the proteolytic degradation of most intracellular proteins. This complex plays numerous essential roles within the cell by associating with different regulatory particles. Associated with two 19S regulatory particles, forms the 26S proteasome and thus participates in the ATP-dependent degradation of ubiquitinated proteins. The 26S proteasome plays a key role in the maintenance of protein homeostasis by removing misfolded or damaged proteins that could impair cellular functions, and by removing proteins whose functions are no longer required. Associated with the PA200 or PA28, the 20S proteasome mediates ubiquitin-independent protein degradation. This type of proteolysis is required in several pathways including spermatogenesis (20S-PA200 complex) or generation of a subset of MHC class I-presented antigenic peptides (20S-PA28 complex).By similarity

Catalytic activityi

Cleavage of peptide bonds with very broad specificity.PROSITE-ProRule annotation

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionHydrolase, Protease, Threonine protease

Protein family/group databases

MEROPSiT01.971.

Names & Taxonomyi

Protein namesi
Recommended name:
Proteasome subunit alpha type-6 (EC:3.4.25.1By similarity)
Alternative name(s):
Macropain iota chain
Multicatalytic endopeptidase complex iota chain
Proteasome iota chain
Gene namesi
Name:Psma6
OrganismiRattus norvegicus (Rat)
Taxonomic identifieri10116 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeRattus
Proteomesi
  • UP000002494 Componenti: Chromosome 6

Organism-specific databases

RGDi61849. Psma6.

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Cytoplasm, Nucleus, Proteasome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001241321 – 246Proteasome subunit alpha type-6Add BLAST246

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Glycosylationi5O-linked (GlcNAc) serineBy similarity1
Modified residuei17PhosphoserineBy similarity1
Modified residuei63PhosphoserineBy similarity1
Modified residuei64PhosphoserineBy similarity1
Modified residuei102N6-acetyllysineBy similarity1
Modified residuei104N6-acetyllysineBy similarity1
Modified residuei159PhosphotyrosineBy similarity1

Keywords - PTMi

Acetylation, Glycoprotein, Phosphoprotein

Proteomic databases

PaxDbiP60901.
PRIDEiP60901.

2D gel databases

World-2DPAGEi0004:P60901.

PTM databases

iPTMnetiP60901.
PhosphoSitePlusiP60901.

Expressioni

Gene expression databases

BgeeiENSRNOG00000007114.
ExpressionAtlasiP60901. baseline.
GenevisibleiP60901. RN.

Interactioni

Subunit structurei

The 26S proteasome consists of a 20S proteasome core and two 19S regulatory subunits. The 20S proteasome core is a barrel-shaped complex made of 28 subunits that are arranged in four stacked rings. The two outer rings are each formed by seven alpha subunits, and the two inner rings are formed by seven beta subunits. The proteolytic activity is exerted by three beta-subunits PSMB5, PSMB6 and PSMB7. Interacts with ALKBH4.By similarity

GO - Molecular functioni

Protein-protein interaction databases

BioGridi248294. 2 interactors.
IntActiP60901. 1 interactor.
STRINGi10116.ENSRNOP00000009666.

Structurei

3D structure databases

ProteinModelPortaliP60901.
SMRiP60901.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the peptidase T1A family.PROSITE-ProRule annotation

Phylogenomic databases

eggNOGiKOG0182. Eukaryota.
ENOG410XR7X. LUCA.
GeneTreeiENSGT00550000074807.
HOGENOMiHOG000091084.
HOVERGENiHBG107363.
InParanoidiP60901.
KOiK02730.
OMAiYGYEITP.
OrthoDBiEOG091G0GSR.
PhylomeDBiP60901.
TreeFamiTF106210.

Family and domain databases

CDDicd03754. proteasome_alpha_type_6. 1 hit.
Gene3Di3.60.20.10. 1 hit.
InterProiView protein in InterPro
IPR029055. Ntn_hydrolases_N.
IPR023332. Proteasome_alpha-type.
IPR000426. Proteasome_asu_N.
IPR001353. Proteasome_sua/b.
IPR034642. Proteasome_subunit_alpha6.
PANTHERiPTHR11599:SF11. PTHR11599:SF11. 1 hit.
PfamiView protein in Pfam
PF00227. Proteasome. 1 hit.
PF10584. Proteasome_A_N. 1 hit.
SMARTiView protein in SMART
SM00948. Proteasome_A_N. 1 hit.
SUPFAMiSSF56235. SSF56235. 1 hit.
PROSITEiView protein in PROSITE
PS00388. PROTEASOME_ALPHA_1. 1 hit.
PS51475. PROTEASOME_ALPHA_2. 1 hit.

Sequencei

Sequence statusi: Complete.

P60901-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSRGSSAGFD RHITIFSPEG RLYQVEYAFK AINQGGLTSV AVRGKDCAVI
60 70 80 90 100
VTQKKVPDKL LDSSTVTHLF KITENIGCVM TGMTADSRSQ VQRARYEAAN
110 120 130 140 150
WKYKYGYEIP VDMLCKRIAD ISQVYTQNAE MRPLGCCMIL IGIDEEQGPQ
160 170 180 190 200
VYKCDPAGYY CGFKATAAGV KQTESTSFLE KKVKKKFDWT FEQTVETAIT
210 220 230 240
CLSTVLSIDF KPSEIEVGVV TVENPKFRIL TEAEIDAHLV ALAERD
Length:246
Mass (Da):27,399
Last modified:April 13, 2004 - v1
Checksum:i94D1FD3C0A7CC72A
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
D10755 mRNA. Translation: BAA01587.1.
BC062232 mRNA. Translation: AAH62232.1.
PIRiJX0230.
RefSeqiNP_058979.1. NM_017283.3.
UniGeneiRn.107278.

Genome annotation databases

EnsembliENSRNOT00000009666; ENSRNOP00000009666; ENSRNOG00000007114.
GeneIDi29673.
KEGGirno:29673.
UCSCiRGD:61849. rat.

Similar proteinsi

Entry informationi

Entry nameiPSA6_RAT
AccessioniPrimary (citable) accession number: P60901
Secondary accession number(s): P34062
Entry historyiIntegrated into UniProtKB/Swiss-Prot: April 13, 2004
Last sequence update: April 13, 2004
Last modified: November 22, 2017
This is version 130 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Direct protein sequencing, Reference proteome

Documents

  1. Peptidase families
    Classification of peptidase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families