Detail Information for IndEnz0002009345
IED ID IndEnz0002009345
Enzyme Type ID protease009345
Protein Name Proteasome activator complex subunit 1
11S regulator complex subunit alpha
REG-alpha
Activator of multicatalytic protease subunit 1
Interferon gamma up-regulated I-5111 protein
IGUP I-5111
Proteasome activator 28 subunit alpha
PA28a
PA28alpha
Gene Name PSME1 IFI5111
Organism Homo sapiens (Human)
Taxonomic Lineage cellular organisms Eukaryota Opisthokonta Metazoa Eumetazoa Bilateria Deuterostomia Chordata Craniata Vertebrata Gnathostomata (jawed vertebrates) Teleostomi Euteleostomi Sarcopterygii Dipnotetrapodomorpha Tetrapoda Amniota Mammalia Theria Eutheria Boreoeutheria Euarchontoglires Primates Haplorrhini Simiiformes Catarrhini Hominoidea (apes) Hominidae (great apes) Homininae Homo Homo sapiens (Human)
Enzyme Sequence MAMLRVQPEAQAKVDVFREDLCTKTENLLGSYFPKKISELDAFLKEPALNEANLSNLKAPLDIPVPDPVKEKEKEERKKQQEKEDKDEKKKGEDEDKGPPCGPVNCNEKIVVLLQRLKPEIKDVIEQLNLVTTWLQLQIPRIEDGNNFGVAVQEKVFELMTSLHTKLEGFHTQISKYFSERGDAVTKAAKQPHVGDYRQLVHELDEAEYRDIRLMVMEIRNAYAVLYDIILKNFEKLKKPRGETKGMIY
Enzyme Length 249
Uniprot Accession Number Q06323
Absorption
Active Site
Activity Regulation
Binding Site
Calcium Binding
catalytic Activity
DNA Binding
EC Number
Enzyme Function FUNCTION: Implicated in immunoproteasome assembly and required for efficient antigen processing. The PA28 activator complex enhances the generation of class I binding peptides by altering the cleavage pattern of the proteasome.
Temperature Dependency
PH Dependency
Pathway
nucleotide Binding
Features Alternative sequence (3); Chain (1); Compositional bias (1); Helix (7); Natural variant (2); Region (1)
Keywords 3D-structure;Alternative splicing;Direct protein sequencing;Proteasome;Reference proteome
Interact With P22607; Q14957; P06396; Q8WXH2; Q9UL46; Q5JTV8; Q9UMX0; Q9Y649
Induction INDUCTION: By IFNG/IFN-gamma.
Subcellular Location
Modified Residue
Post Translational Modification
Signal Peptide
Structure 3D Electron microscopy (2); X-ray crystallography (1)
Cross Reference PDB 1AVO; 7DR6; 7DRW;
Mapped Pubmed ID 10075690; 10205060; 10375532; 10514433; 10559916; 10693759; 10797013; 10828887; 10918611; 11046155; 11259415; 11285280; 11292861; 11292862; 11350924; 11454738; 11566882; 11585840; 11585921; 11739726; 11842200; 11931757; 12070128; 12101228; 12136087; 12200048; 12519221; 12600938; 12660156; 12682069; 12738770; 12750368; 12808096; 12816948; 12853446; 14508489; 14508490; 14528300; 14561893; 14564014; 14676825; 14684739; 14707141; 14734113; 14757770; 14760793; 15014503; 15029244; 15084608; 15224091; 15224092; 15226418; 15257295; 15282312; 15469984; 15571818; 15678106; 15678131; 15735756; 15781449; 16169070; 16171779; 16189514; 16371461; 16413484; 16421275; 16547521; 16611981; 16705181; 16707496; 16728642; 16818754; 16931761; 17115028; 17139257; 17183061; 17187060; 17218260; 17234884; 17283082; 17671684; 17939699; 18497827; 18541707; 18997794; 19225532; 19379695; 19473982; 19573811; 19684112; 19759537; 19808967; 19955409; 20028659; 20154143; 20360384; 20711500; 20818436; 20858899; 20956384; 21357747; 21478859; 21532586; 21799911; 21900206; 21921029; 22306028; 22306998; 22427670; 22532226; 23333871; 23383295; 23624078; 23661552; 23706739; 23867461; 23918357; 24012004; 24019521; 24811749; 25260729; 25416956; 25547115; 25654763; 26091038; 26183061; 26399368; 26496610; 26542806; 26638075; 26778333; 26892607; 26944190; 33262340; 33318477; 33531497; 7479848; 7479976; 7575604; 7628694; 7809113; 7831327; 7862124; 7957109; 9362451; 9380723; 9635433; 9660940; 9859996; 9990853;
Motif
Gene Encoded By
Mass 28,723
Kinetics
Metal Binding
Rhea ID
Cross Reference Brenda