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Q54DM7

- PSA2_DICDI

UniProt

Q54DM7 - PSA2_DICDI

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Protein

Proteasome subunit alpha type-2

Gene

psmA2

Organism
Dictyostelium discoideum (Slime mold)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi

Functioni

The proteasome is a multicatalytic proteinase complex which is characterized by its ability to cleave peptides with Arg, Phe, Tyr, Leu, and Glu adjacent to the leaving group at neutral or slightly basic pH. The proteasome has an ATP-dependent proteolytic activity By similarity.By similarity

Catalytic activityi

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

GO - Molecular functioni

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

GO - Biological processi

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

Keywords - Molecular functioni

Hydrolase, Protease, Threonine protease

Enzyme and pathway databases

ReactomeiREACT_204617. Antigen processing: Ubiquitination & Proteasome degradation.
REACT_210566. AUF1 (hnRNP D0) destabilizes mRNA.
REACT_212010. Regulation of activated PAK-2p34 by proteasome mediated degradation.
REACT_214682. Cross-presentation of soluble exogenous antigens (endosomes).
REACT_217211. ER-Phagosome pathway.
REACT_217636. Autodegradation of the E3 ubiquitin ligase COP1.
REACT_221036. Separation of Sister Chromatids.
REACT_225025. APC/C:Cdc20 mediated degradation of Securin.
REACT_226311. APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1.
REACT_226712. Autodegradation of Cdh1 by Cdh1:APC/C.
REACT_95813. Ubiquitin Mediated Degradation of Phosphorylated Cdc25A.

Protein family/group databases

MEROPSiT01.972.

Names & Taxonomyi

Protein namesi
Recommended name:
Proteasome subunit alpha type-2 (EC:3.4.25.1)
Gene namesi
Name:psmA2
ORF Names:DDB_G0292122
OrganismiDictyostelium discoideum (Slime mold)
Taxonomic identifieri44689 [NCBI]
Taxonomic lineageiEukaryotaAmoebozoaMycetozoaDictyosteliidaDictyostelium
ProteomesiUP000002195: Chromosome 6, UP000002195: Unassembled WGS sequence

Organism-specific databases

dictyBaseiDDB_G0292122. psmA2.

Subcellular locationi

Cytoplasm By similarity. Nucleus By similarity

GO - Cellular componenti

  1. cytoplasm Source: dictyBase
  2. nucleus Source: dictyBase
  3. proteasome core complex, alpha-subunit complex Source: InterPro
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm, Nucleus, Proteasome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 232232Proteasome subunit alpha type-2PRO_0000328485Add
BLAST

Interactioni

Subunit structurei

The 26S proteasome consists of a 20S proteasome core and two 19S regulatory subunits. The 20S proteasome core is composed of 28 subunits that are arranged in four stacked rings, resulting in a barrel-shaped structure. The two end rings are each formed by seven alpha subunits, and the two central rings are each formed by seven beta subunits. The catalytic chamber with the active sites is on the inside of the barrel By similarity.By similarity

Protein-protein interaction databases

STRINGi44689.DDB_0232935.

Structurei

3D structure databases

ProteinModelPortaliQ54DM7.
SMRiQ54DM7. Positions 5-229.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the peptidase T1A family.PROSITE-ProRule annotation

Phylogenomic databases

eggNOGiCOG0638.
InParanoidiQ54DM7.
KOiK02726.
OMAiWKATALG.
PhylomeDBiQ54DM7.

Family and domain databases

Gene3Di3.60.20.10. 1 hit.
InterProiIPR029055. Ntn_hydrolases_N.
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.
PROSITEiPS00388. PROTEASOME_ALPHA_1. 1 hit.
PS51475. PROTEASOME_ALPHA_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q54DM7-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MDSDYSFSLT TFSPSGKLVQ IEHALQAAAS GGSAIGIKAK NGVVLITEKK
60 70 80 90 100
LHSLVDVTSV QKISMITENI GLVYAGMGPD SRVLIKKARK ESEKYYKQYK
110 120 130 140 150
EKIPVLQLVR ELASIMQEFT QSGGVRPFGV SLLVAGFDEK GPHLYQVDPS
160 170 180 190 200
GSYFAWKATA IGKNMVSSKT FLEKRYSDDL EIEDAIQTAL ITIKEGFETQ
210 220 230
LTEFNMELAI IGKNQEFKIL TPAQIKDYLL NL
Length:232
Mass (Da):25,666
Last modified:May 24, 2005 - v1
Checksum:iE0F1EFDA41191095
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AAFI02000187 Genomic DNA. Translation: EAL61417.1.
RefSeqiXP_629845.1. XM_629843.1.

Genome annotation databases

EnsemblProtistsiDDB0232935; DDB0232935; DDB_G0292122.
GeneIDi8628525.
KEGGiddi:DDB_G0292122.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AAFI02000187 Genomic DNA. Translation: EAL61417.1 .
RefSeqi XP_629845.1. XM_629843.1.

3D structure databases

ProteinModelPortali Q54DM7.
SMRi Q54DM7. Positions 5-229.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 44689.DDB_0232935.

Protein family/group databases

MEROPSi T01.972.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblProtistsi DDB0232935 ; DDB0232935 ; DDB_G0292122 .
GeneIDi 8628525.
KEGGi ddi:DDB_G0292122.

Organism-specific databases

dictyBasei DDB_G0292122. psmA2.

Phylogenomic databases

eggNOGi COG0638.
InParanoidi Q54DM7.
KOi K02726.
OMAi WKATALG.
PhylomeDBi Q54DM7.

Enzyme and pathway databases

Reactomei REACT_204617. Antigen processing: Ubiquitination & Proteasome degradation.
REACT_210566. AUF1 (hnRNP D0) destabilizes mRNA.
REACT_212010. Regulation of activated PAK-2p34 by proteasome mediated degradation.
REACT_214682. Cross-presentation of soluble exogenous antigens (endosomes).
REACT_217211. ER-Phagosome pathway.
REACT_217636. Autodegradation of the E3 ubiquitin ligase COP1.
REACT_221036. Separation of Sister Chromatids.
REACT_225025. APC/C:Cdc20 mediated degradation of Securin.
REACT_226311. APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1.
REACT_226712. Autodegradation of Cdh1 by Cdh1:APC/C.
REACT_95813. Ubiquitin Mediated Degradation of Phosphorylated Cdc25A.

Miscellaneous databases

PROi Q54DM7.

Family and domain databases

Gene3Di 3.60.20.10. 1 hit.
InterProi IPR029055. Ntn_hydrolases_N.
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.
PROSITEi PS00388. PROTEASOME_ALPHA_1. 1 hit.
PS51475. PROTEASOME_ALPHA_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "The genome of the social amoeba Dictyostelium discoideum."
    Eichinger L., Pachebat J.A., Gloeckner G., Rajandream M.A., Sucgang R., Berriman M., Song J., Olsen R., Szafranski K., Xu Q., Tunggal B., Kummerfeld S., Madera M., Konfortov B.A., Rivero F., Bankier A.T., Lehmann R., Hamlin N.
    , Davies R., Gaudet P., Fey P., Pilcher K., Chen G., Saunders D., Sodergren E.J., Davis P., Kerhornou A., Nie X., Hall N., Anjard C., Hemphill L., Bason N., Farbrother P., Desany B., Just E., Morio T., Rost R., Churcher C.M., Cooper J., Haydock S., van Driessche N., Cronin A., Goodhead I., Muzny D.M., Mourier T., Pain A., Lu M., Harper D., Lindsay R., Hauser H., James K.D., Quiles M., Madan Babu M., Saito T., Buchrieser C., Wardroper A., Felder M., Thangavelu M., Johnson D., Knights A., Loulseged H., Mungall K.L., Oliver K., Price C., Quail M.A., Urushihara H., Hernandez J., Rabbinowitsch E., Steffen D., Sanders M., Ma J., Kohara Y., Sharp S., Simmonds M.N., Spiegler S., Tivey A., Sugano S., White B., Walker D., Woodward J.R., Winckler T., Tanaka Y., Shaulsky G., Schleicher M., Weinstock G.M., Rosenthal A., Cox E.C., Chisholm R.L., Gibbs R.A., Loomis W.F., Platzer M., Kay R.R., Williams J.G., Dear P.H., Noegel A.A., Barrell B.G., Kuspa A.
    Nature 435:43-57(2005) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: AX4.

Entry informationi

Entry nameiPSA2_DICDI
AccessioniPrimary (citable) accession number: Q54DM7
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 8, 2008
Last sequence update: May 24, 2005
Last modified: October 29, 2014
This is version 67 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Dictyostelium discoideum
    Dictyostelium discoideum: entries, gene names and cross-references to dictyBase
  2. Peptidase families
    Classification of peptidase families and list of entries
  3. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3