HSLU_STACT
ID HSLU_STACT Reviewed; 468 AA.
AC B9DPG6;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 24-MAR-2009, sequence version 1.
DT 03-AUG-2022, entry version 78.
DE RecName: Full=ATP-dependent protease ATPase subunit HslU {ECO:0000255|HAMAP-Rule:MF_00249};
DE AltName: Full=Unfoldase HslU {ECO:0000255|HAMAP-Rule:MF_00249};
GN Name=hslU {ECO:0000255|HAMAP-Rule:MF_00249}; OrderedLocusNames=Sca_0889;
OS Staphylococcus carnosus (strain TM300).
OC Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC Staphylococcus.
OX NCBI_TaxID=396513;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=TM300;
RX PubMed=19060169; DOI=10.1128/aem.01982-08;
RA Rosenstein R., Nerz C., Biswas L., Resch A., Raddatz G., Schuster S.C.,
RA Goetz F.;
RT "Genome analysis of the meat starter culture bacterium Staphylococcus
RT carnosus TM300.";
RL Appl. Environ. Microbiol. 75:811-822(2009).
CC -!- FUNCTION: ATPase subunit of a proteasome-like degradation complex; this
CC subunit has chaperone activity. The binding of ATP and its subsequent
CC hydrolysis by HslU are essential for unfolding of protein substrates
CC subsequently hydrolyzed by HslV. HslU recognizes the N-terminal part of
CC its protein substrates and unfolds these before they are guided to HslV
CC for hydrolysis. {ECO:0000255|HAMAP-Rule:MF_00249}.
CC -!- SUBUNIT: A double ring-shaped homohexamer of HslV is capped on each
CC side by a ring-shaped HslU homohexamer. The assembly of the HslU/HslV
CC complex is dependent on binding of ATP. {ECO:0000255|HAMAP-
CC Rule:MF_00249}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00249}.
CC -!- SIMILARITY: Belongs to the ClpX chaperone family. HslU subfamily.
CC {ECO:0000255|HAMAP-Rule:MF_00249}.
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DR EMBL; AM295250; CAL27798.1; -; Genomic_DNA.
DR RefSeq; WP_015900139.1; NC_012121.1.
DR AlphaFoldDB; B9DPG6; -.
DR SMR; B9DPG6; -.
DR STRING; 396513.SCA_0889; -.
DR GeneID; 60545416; -.
DR KEGG; sca:SCA_0889; -.
DR eggNOG; COG1220; Bacteria.
DR HOGENOM; CLU_033123_0_0_9; -.
DR OMA; KYGMIKT; -.
DR OrthoDB; 718259at2; -.
DR BioCyc; SCAR396513:SCA_RS04485-MON; -.
DR Proteomes; UP000000444; Chromosome.
DR GO; GO:0009376; C:HslUV protease complex; IEA:UniProtKB-UniRule.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016887; F:ATP hydrolysis activity; IEA:InterPro.
DR GO; GO:0008233; F:peptidase activity; IEA:InterPro.
DR GO; GO:0036402; F:proteasome-activating activity; IEA:UniProtKB-UniRule.
DR GO; GO:0043335; P:protein unfolding; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.300; -; 2.
DR HAMAP; MF_00249; HslU; 1.
DR InterPro; IPR003593; AAA+_ATPase.
DR InterPro; IPR003959; ATPase_AAA_core.
DR InterPro; IPR019489; Clp_ATPase_C.
DR InterPro; IPR004491; HslU.
DR InterPro; IPR027417; P-loop_NTPase.
DR PANTHER; PTHR48102:SF3; PTHR48102:SF3; 1.
DR Pfam; PF00004; AAA; 1.
DR Pfam; PF07724; AAA_2; 1.
DR Pfam; PF10431; ClpB_D2-small; 1.
DR SMART; SM00382; AAA; 1.
DR SMART; SM01086; ClpB_D2-small; 1.
DR SUPFAM; SSF52540; SSF52540; 1.
DR TIGRFAMs; TIGR00390; hslU; 1.
PE 3: Inferred from homology;
KW ATP-binding; Chaperone; Cytoplasm; Nucleotide-binding.
FT CHAIN 1..468
FT /note="ATP-dependent protease ATPase subunit HslU"
FT /id="PRO_1000125451"
FT REGION 166..187
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 22
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00249"
FT BINDING 64..69
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00249"
FT BINDING 281
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00249"
FT BINDING 346
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00249"
FT BINDING 418
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00249"
SQ SEQUENCE 468 AA; 52362 MW; 94BFC523FCF83EC9 CRC64;
MDASAIKLTP KDIVSQLNEY IVGQNDAKKK VAIALRNRYR RSQLDEEMKQ EIVPKNILMI
GPTGVGKTEI ARRMAKIVGA PFIKVEATKF TEVGYVGRDV ESMVRDLVDV AVRLVKEDRK
DKVKDEAVKK ANDKLVKLLV PSMKKKANQN AGNPFESIFG GMMPNFGNND EEDEEPPTED
IKTKRSEIRS QLLNGQLEEE KVRIKVEQDP GALGMLGTNQ NQQVQDMMNQ LMPKKKVERE
VPVKTARKIL ADEYADELID HETANQEALE LAEQMGIIFI DEIDKVASNN QGGGQDVSRQ
GVQRDILPIV EGSVVQTKYG SVNTEHMLFI GAGAFHVSKP SDLIPELQGR FPIRVELDSL
SVDDFVNILK EPKLSLIKQY EALLQTEEVT VNFTDEAITR LAEIAYQVNQ DTDNIGARRL
HTILEKMLED LSYEAPGMPN AVVDITAQYV DDKLKSISTN KDLSAFIL