ID HSLU_PERMH Reviewed; 448 AA.
AC C0QUM2;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 05-MAY-2009, sequence version 1.
DT 27-MAR-2024, entry version 71.
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=PERMA_0598;
OS Persephonella marina (strain DSM 14350 / EX-H1).
OC Bacteria; Aquificota; Aquificae; Aquificales; Hydrogenothermaceae;
OC Persephonella.
OX NCBI_TaxID=123214;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 14350 / EX-H1;
RX PubMed=19136599; DOI=10.1128/jb.01645-08;
RA Reysenbach A.-L., Hamamura N., Podar M., Griffiths E., Ferreira S.,
RA Hochstein R., Heidelberg J., Johnson J., Mead D., Pohorille A.,
RA Sarmiento M., Schweighofer K., Seshadri R., Voytek M.A.;
RT "Complete and draft genome sequences of six members of the Aquificales.";
RL J. Bacteriol. 191:1992-1993(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; CP001230; ACO03654.1; -; Genomic_DNA.
DR RefSeq; WP_012675893.1; NC_012440.1.
DR AlphaFoldDB; C0QUM2; -.
DR SMR; C0QUM2; -.
DR STRING; 123214.PERMA_0598; -.
DR PaxDb; 123214-PERMA_0598; -.
DR KEGG; pmx:PERMA_0598; -.
DR eggNOG; COG1220; Bacteria.
DR HOGENOM; CLU_033123_0_0_0; -.
DR OrthoDB; 9804062at2; -.
DR Proteomes; UP000001366; 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 CDD; cd19498; RecA-like_HslU; 1.
DR Gene3D; 1.10.8.60; -; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 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 NCBIfam; TIGR00390; hslU; 1.
DR PANTHER; PTHR48102; ATP-DEPENDENT CLP PROTEASE ATP-BINDING SUBUNIT CLPX-LIKE, MITOCHONDRIAL-RELATED; 1.
DR PANTHER; PTHR48102:SF3; ATP-DEPENDENT PROTEASE ATPASE SUBUNIT HSLU; 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; P-loop containing nucleoside triphosphate hydrolases; 1.
PE 3: Inferred from homology;
KW ATP-binding; Chaperone; Cytoplasm; Nucleotide-binding; Reference proteome.
FT CHAIN 1..448
FT /note="ATP-dependent protease ATPase subunit HslU"
FT /id="PRO_1000125446"
FT BINDING 21
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00249"
FT BINDING 63..68
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00249"
FT BINDING 261
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00249"
FT BINDING 326
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00249"
FT BINDING 398
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00249"
SQ SEQUENCE 448 AA; 50768 MW; 693C534477106B71 CRC64;
MQLREDLTPK QIVEELDKYI VGQKEAKKAV AIALRNRWRR HKLPEDLRDE VIPKNILMIG
PTGVGKTEIA RRLASLVGAP FIKVEATKFT EVGYVGRDVE SIIRELAEAS FKMVKAEKME
KVREKAKEIA EEKILDYLVP MRVKRYGTLE TFEEETSPAR EKFRQMLRNG ELDERTVEID
VEEKGVSVVG GVIAPGLEDI ENQLKDLFSS LAPTKRKRRK MTVREAMRVL EQQEAEKLID
MDEVASEAVY RAENFGIVFI DEIDKVAGKS TGSSPDVSRE GVQRDLLPIV EGTTVSTKYG
PVKTDHILFI AAGAFHLSKP SDLIPELQGR FPIRVELQPL TKDDFVKILT QPKNALIKQY
KALMATEGVD IEFTDDAIEA IAEIAEQVNE KTENIGARRL HTILERIMED YSFEAPDLKG
QHIIIDEKVI RSKLGDIIQS EDLTRYIL
//
