UniProt Accession

 PSA4_MOUSE; Q9R1P0; Q3THT1 

Genbank Protein ID

 AF060093; AK085937; AK168150; BC001982 

Genbank Nucleotide ID

 AAD50538.1; BAC39573.1; BAE40115.1; AAH01982.1 

Protein Name

 Proteasome subunit alpha type-4 

Protein Synonyms/Alias

 Macropain subunit C9; Multicatalytic endopeptidase complex subunit C9; Proteasome component C9; Proteasome subunit L 

Gene Name

 Psma4 

Gene Synonyms/Alias

  

Created Date

 July 27, 2013 

Organism

 Mus musculus (Mouse) 

NCBI Taxa ID

 10090 

Lysine Modification

Position	Peptide	Type	References
210	VSKLSAEKVEIATLT	acetylation	[1]
210	VSKLSAEKVEIATLT	ubiquitination	[2]
231	VIRVLKQKEVEQLIK	ubiquitination	[2]

Reference

 [1] Quantitative acetylome analysis reveals the roles of SIRT1 in regulating diverse substrates and cellular pathways.
 Chen Y, Zhao W, Yang JS, Cheng Z, Luo H, Lu Z, Tan M, Gu W, Zhao Y.
 Mol Cell Proteomics. 2012 Oct;11(10):1048-62. [PMID: 22826441]
 [2] Proteomic analyses reveal divergent ubiquitylation site patterns in murine tissues.
 Wagner SA, Beli P, Weinert BT, Schölz C, Kelstrup CD, Young C, Nielsen ML, Olsen JV, Brakebusch C, Choudhary C.
 Mol Cell Proteomics. 2012 Dec;11(12):1578-85. [PMID: 22790023] 

Functional Description

 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. 

Sequence Annotation

 MOD_RES 13 13 Phosphoserine (By similarity).
 MOD_RES 75 75 Phosphoserine (By similarity).
 MOD_RES 127 127 N6-acetyllysine (By similarity).
 MOD_RES 176 176 N6-acetyllysine (By similarity).  

Keyword

 3D-structure; Acetylation; Complete proteome; Cytoplasm; Direct protein sequencing; Hydrolase; Nucleus; Phosphoprotein; Protease; Proteasome; Reference proteome; Threonine protease. 

Sequence Source

 UniProt (SWISSPROT/TrEMBL); GenBank; EMBL 

Protein Length

 261 AA 

Protein Sequence

Gene Ontology

 GO:0000932; C:cytoplasmic mRNA processing body; IDA:UniProtKB.
 GO:0005829; C:cytosol; TAS:Reactome.
 GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
 GO:0005839; C:proteasome core complex; IDA:UniProtKB.
 GO:0019773; C:proteasome core complex, alpha-subunit complex; IEA:InterPro.
 GO:0004298; F:threonine-type endopeptidase activity; IEA:UniProtKB-KW.
 GO:0006511; P:ubiquitin-dependent protein catabolic process; IEA:InterPro. 

Interpro

 IPR000426; Proteasome_asu_N.
 IPR016050; Proteasome_bsu_CS.
 IPR023332; Proteasome_suA-type.
 IPR001353; Proteasome_sua/b. 

Pfam

 PF00227; Proteasome
 PF10584; Proteasome_A_N 

SMART

 SM00948; Proteasome_A_N 

PROSITE

 PS00388; PROTEASOME_A_1
 PS51475; PROTEASOME_A_2 

PRINTS