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PSA_NAKMY
ID   PSA_NAKMY               Reviewed;         269 AA.
AC   C8XAQ3;
DT   10-AUG-2010, integrated into UniProtKB/Swiss-Prot.
DT   03-NOV-2009, sequence version 1.
DT   25-MAY-2022, entry version 67.
DE   RecName: Full=Proteasome subunit alpha {ECO:0000255|HAMAP-Rule:MF_00289};
DE   AltName: Full=20S proteasome alpha subunit {ECO:0000255|HAMAP-Rule:MF_00289};
DE   AltName: Full=Proteasome core protein PrcA {ECO:0000255|HAMAP-Rule:MF_00289};
GN   Name=prcA {ECO:0000255|HAMAP-Rule:MF_00289}; OrderedLocusNames=Namu_2968;
OS   Nakamurella multipartita (strain ATCC 700099 / DSM 44233 / CIP 104796 / JCM
OS   9543 / NBRC 105858 / Y-104) (Microsphaera multipartita).
OC   Bacteria; Actinobacteria; Nakamurellales; Nakamurellaceae; Nakamurella.
OX   NCBI_TaxID=479431;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700099 / DSM 44233 / CIP 104796 / JCM 9543 / NBRC 105858 /
RC   Y-104;
RG   US DOE Joint Genome Institute (JGI-PGF);
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Kyrpides N., Mavromatis K., Ivanova N.,
RA   Ovchinnikova G., Sims D., Meincke L., Brettin T., Detter J.C., Han C.,
RA   Larimer F., Land M., Hauser L., Markowitz V., Cheng J.-F., Hugenholtz P.,
RA   Woyke T., Wu D., Klenk H.-P., Eisen J.A.;
RT   "The complete genome of Nakamurella multipartita DSM 44233.";
RL   Submitted (SEP-2009) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Component of the proteasome core, a large protease complex
CC       with broad specificity involved in protein degradation.
CC       {ECO:0000255|HAMAP-Rule:MF_00289}.
CC   -!- ACTIVITY REGULATION: The formation of the proteasomal ATPase ARC-20S
CC       proteasome complex, likely via the docking of the C-termini of ARC into
CC       the intersubunit pockets in the alpha-rings, may trigger opening of the
CC       gate for substrate entry. Interconversion between the open-gate and
CC       close-gate conformations leads to a dynamic regulation of the 20S
CC       proteasome proteolysis activity. {ECO:0000255|HAMAP-Rule:MF_00289}.
CC   -!- PATHWAY: Protein degradation; proteasomal Pup-dependent pathway.
CC       {ECO:0000255|HAMAP-Rule:MF_00289}.
CC   -!- SUBUNIT: The 20S proteasome core is composed of 14 alpha and 14 beta
CC       subunits that assemble into four stacked heptameric rings, resulting in
CC       a barrel-shaped structure. The two inner rings, each composed of seven
CC       catalytic beta subunits, are sandwiched by two outer rings, each
CC       composed of seven alpha subunits. The catalytic chamber with the active
CC       sites is on the inside of the barrel. Has a gated structure, the ends
CC       of the cylinder being occluded by the N-termini of the alpha-subunits.
CC       Is capped by the proteasome-associated ATPase, ARC. {ECO:0000255|HAMAP-
CC       Rule:MF_00289}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00289}.
CC   -!- SIMILARITY: Belongs to the peptidase T1A family. {ECO:0000255|HAMAP-
CC       Rule:MF_00289}.
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DR   EMBL; CP001737; ACV79306.1; -; Genomic_DNA.
DR   RefSeq; WP_015748180.1; NC_013235.1.
DR   AlphaFoldDB; C8XAQ3; -.
DR   SMR; C8XAQ3; -.
DR   STRING; 479431.Namu_2968; -.
DR   EnsemblBacteria; ACV79306; ACV79306; Namu_2968.
DR   KEGG; nml:Namu_2968; -.
DR   eggNOG; COG0638; Bacteria.
DR   HOGENOM; CLU_071031_0_0_11; -.
DR   OMA; QIYRLPH; -.
DR   OrthoDB; 1243753at2; -.
DR   UniPathway; UPA00997; -.
DR   Proteomes; UP000002218; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0019773; C:proteasome core complex, alpha-subunit complex; IEA:UniProtKB-UniRule.
DR   GO; GO:0004298; F:threonine-type endopeptidase activity; IEA:InterPro.
DR   GO; GO:0019941; P:modification-dependent protein catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0010498; P:proteasomal protein catabolic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.60.20.10; -; 1.
DR   HAMAP; MF_00289_B; Proteasome_A_B; 1.
DR   InterPro; IPR029055; Ntn_hydrolases_N.
DR   InterPro; IPR023332; Proteasome_alpha-type.
DR   InterPro; IPR022296; Proteasome_asu_bac.
DR   InterPro; IPR001353; Proteasome_sua/b.
DR   PANTHER; PTHR11599:SF69; PTHR11599:SF69; 1.
DR   Pfam; PF00227; Proteasome; 1.
DR   SUPFAM; SSF56235; SSF56235; 1.
DR   TIGRFAMs; TIGR03691; 20S_bact_alpha; 1.
DR   PROSITE; PS51475; PROTEASOME_ALPHA_2; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Proteasome; Reference proteome.
FT   CHAIN           1..269
FT                   /note="Proteasome subunit alpha"
FT                   /id="PRO_0000397163"
FT   REGION          130..150
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   269 AA;  28805 MW;  86E57E311C30E0A4 CRC64;
     MSMPTIYASP EQFMRDRSEY ARKGIARGRS VVVTLFEGGV LFVAENHSPA LHKVSEIYDR
     IGFAAAGRYN EFENLRTAGI RLADVRGFSY DRKDVTGRWL ANAYAQTIGS IFSEHQKPFE
     VEICVAEVGP PRPPRPAGAP PAADGSPGTG DQLYRISYDG SIVEERKFVV MGGVNEPVIT
     ALNASFRAGW DLPTALRAAV TALGSTGDNP PRELLPTQLE VAVLDRSAVG RTFRRIPAAL
     LATLLAPPAA ADVADAPAAE ADPAEPDQG
 
 
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