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Q3IPJ1

- PSA_NATPD

UniProt

Q3IPJ1 - PSA_NATPD

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Protein
Proteasome subunit alpha
Gene
psmA, NP_3738A
Organism
Natronomonas pharaonis (strain ATCC 35678 / DSM 2160) (Halobacterium pharaonis)
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 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 By similarity.UniRule annotation

GO - Molecular functioni

  1. threonine-type endopeptidase activity Source: UniProtKB-KW
Complete GO annotation...

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

BioCyciNPHA348780:GJX0-1898-MONOMER.

Names & Taxonomyi

Protein namesi
Recommended name:
Proteasome subunit alpha (EC:3.4.25.1)
Alternative name(s):
20S proteasome alpha subunit
Proteasome core protein PsmA
Gene namesi
Name:psmA
Ordered Locus Names:NP_3738A
OrganismiNatronomonas pharaonis (strain ATCC 35678 / DSM 2160) (Halobacterium pharaonis)
Taxonomic identifieri348780 [NCBI]
Taxonomic lineageiArchaeaEuryarchaeotaHalobacteriaHalobacterialesHalobacteriaceaeNatronomonas
ProteomesiUP000002698: Chromosome

Subcellular locationi

Cytoplasm By similarity UniRule annotation

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-SubCell
  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 – 255255Proteasome subunit alphaUniRule annotation
PRO_1000021793Add
BLAST

Proteomic databases

PRIDEiQ3IPJ1.

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 By similarity.

Protein-protein interaction databases

STRINGi348780.NP3738A.

Structurei

3D structure databases

ProteinModelPortaliQ3IPJ1.
SMRiQ3IPJ1. Positions 7-239.

Family & Domainsi

Sequence similaritiesi

Belongs to the peptidase T1A family.

Phylogenomic databases

eggNOGiCOG0638.
HOGENOMiHOG000091085.
KOiK03432.
OMAiCAMSGLT.

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.

Q3IPJ1-1 [UniParc]FASTAAdd to Basket

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MQGQSQQQAY DRGITIFSPD GRLYQVEYAR EAVKRGTASI GIRTEDGVVL    50
VVDKRIRSPL MERTSVEKIH KADDHIGIAS AGHVADARQL IDFARRQAQV 100
NQLRYDEPIG VETLTKAVTD HIQQYTQVGG ARPFGVALII GGIEDGEPRL 150
YETDPSGTPY EWQALAVGAD RGDIQEYLEE HYSESLDTEA GIGLALEALA 200
SVNDDSLTPE GIGLATVTVD DDDGFSQLSD EEIEAHLEER DLLEAEDDAD 250
EDDEE 255
Length:255
Mass (Da):28,002
Last modified:November 8, 2005 - v1
Checksum:iE4FABF1D191E294C
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CR936257 Genomic DNA. Translation: CAI49960.1.
RefSeqiYP_327512.1. NC_007426.1.

Genome annotation databases

EnsemblBacteriaiCAI49960; CAI49960; NP_3738A.
GeneIDi3703061.
KEGGinph:NP3738A.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
CR936257 Genomic DNA. Translation: CAI49960.1 .
RefSeqi YP_327512.1. NC_007426.1.

3D structure databases

ProteinModelPortali Q3IPJ1.
SMRi Q3IPJ1. Positions 7-239.
ModBasei Search...

Protein-protein interaction databases

STRINGi 348780.NP3738A.

Proteomic databases

PRIDEi Q3IPJ1.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAI49960 ; CAI49960 ; NP_3738A .
GeneIDi 3703061.
KEGGi nph:NP3738A.

Phylogenomic databases

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

Enzyme and pathway databases

BioCyci NPHA348780:GJX0-1898-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. "Living with two extremes: conclusions from the genome sequence of Natronomonas pharaonis."
    Falb M., Pfeiffer F., Palm P., Rodewald K., Hickmann V., Tittor J., Oesterhelt D.
    Genome Res. 15:1336-1343(2005) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 35678 / DSM 2160.

Entry informationi

Entry nameiPSA_NATPD
AccessioniPrimary (citable) accession number: Q3IPJ1
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: November 8, 2005
Last modified: June 11, 2014
This is version 68 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

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