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PSA_SANKS
ID   PSA_SANKS               Reviewed;         255 AA.
AC   D1BHT8;
DT   10-AUG-2010, integrated into UniProtKB/Swiss-Prot.
DT   19-JAN-2010, sequence version 1.
DT   25-MAY-2022, entry version 60.
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=Sked_20860;
OS   Sanguibacter keddieii (strain ATCC 51767 / DSM 10542 / NCFB 3025 / ST-74).
OC   Bacteria; Actinobacteria; Micrococcales; Sanguibacteraceae; Sanguibacter.
OX   NCBI_TaxID=446469;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51767 / DSM 10542 / NCFB 3025 / ST-74;
RX   PubMed=21304646; DOI=10.4056/sigs.16197;
RA   Ivanova N., Sikorski J., Sims D., Brettin T., Detter J.C., Han C.,
RA   Lapidus A., Copeland A., Glavina Del Rio T., Nolan M., Chen F., Lucas S.,
RA   Tice H., Cheng J.F., Bruce D., Goodwin L., Pitluck S., Pati A.,
RA   Mavromatis K., Chen A., Palaniappan K., D'haeseleer P., Chain P.,
RA   Bristow J., Eisen J.A., Markowitz V., Hugenholtz P., Goker M., Pukall R.,
RA   Klenk H.P., Kyrpides N.C.;
RT   "Complete genome sequence of Sanguibacter keddieii type strain (ST-74).";
RL   Stand. Genomic Sci. 1:110-118(2009).
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; CP001819; ACZ22008.1; -; Genomic_DNA.
DR   RefSeq; WP_012867077.1; NC_013521.1.
DR   AlphaFoldDB; D1BHT8; -.
DR   SMR; D1BHT8; -.
DR   STRING; 446469.Sked_20860; -.
DR   MEROPS; T01.980; -.
DR   EnsemblBacteria; ACZ22008; ACZ22008; Sked_20860.
DR   KEGG; ske:Sked_20860; -.
DR   eggNOG; COG0638; Bacteria.
DR   HOGENOM; CLU_071031_0_0_11; -.
DR   OMA; QIYRLPH; -.
DR   OrthoDB; 1243753at2; -.
DR   UniPathway; UPA00997; -.
DR   Proteomes; UP000000322; 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..255
FT                   /note="Proteasome subunit alpha"
FT                   /id="PRO_0000397174"
FT   REGION          228..255
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   255 AA;  27400 MW;  E4C1CAF83782FD25 CRC64;
     MSMPFYVSPE QLMKDRADYA RKGIARGRSV VVAAYDGGIA FATENPSRAL HKISEIYDRI
     AFAAVGKYNE FENLRVAGVR YADLRGYSYD RSDVDARGLA NAYAQTLGTV FTTESKPLEV
     EIVVAQVGAT AHDDQIYRLS YDGSVADEHG FVVMGGEAEQ LGTAMTERWR PGLTLSEVLR
     LVREVLAGPP VDGSPREIPA THLEVAVLDR TRPRRAFRRV AGPVLDDLLA SPAGTSGPTG
     EPGPAGTAAT DGGDL
 
 
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