ID A0A364RHB1_9BACT Unreviewed; 463 AA.
AC A0A364RHB1;
DT 07-NOV-2018, integrated into UniProtKB/TrEMBL.
DT 07-NOV-2018, sequence version 1.
DT 24-JAN-2024, entry version 19.
DE RecName: Full=ATP-dependent protease ATPase subunit HslU {ECO:0000256|HAMAP-Rule:MF_00249};
DE AltName: Full=Unfoldase HslU {ECO:0000256|HAMAP-Rule:MF_00249};
GN Name=hslU {ECO:0000256|HAMAP-Rule:MF_00249};
GN ORFNames=DP923_00845 {ECO:0000313|EMBL:RAU83654.1};
OS Pontibacter arcticus.
OC Bacteria; Bacteroidota; Cytophagia; Cytophagales; Hymenobacteraceae;
OC Pontibacter.
OX NCBI_TaxID=2080288 {ECO:0000313|EMBL:RAU83654.1, ECO:0000313|Proteomes:UP000251692};
RN [1] {ECO:0000313|EMBL:RAU83654.1, ECO:0000313|Proteomes:UP000251692}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=2b14 {ECO:0000313|EMBL:RAU83654.1,
RC ECO:0000313|Proteomes:UP000251692};
RA Liu Z.-W.;
RL Submitted (JUN-2018) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:RAU83654.1, ECO:0000313|Proteomes:UP000251692}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=2b14 {ECO:0000313|EMBL:RAU83654.1,
RC ECO:0000313|Proteomes:UP000251692};
RA Du Z.-J.;
RT "Pontibacter sp. 2b14 genomic sequence and assembly.";
RL Submitted (JUL-2018) to the EMBL/GenBank/DDBJ databases.
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:0000256|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:0000256|HAMAP-
CC Rule:MF_00249}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00249}.
CC -!- SIMILARITY: Belongs to the ClpX chaperone family. HslU subfamily.
CC {ECO:0000256|ARBA:ARBA00009771, ECO:0000256|HAMAP-Rule:MF_00249}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:RAU83654.1}.
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DR EMBL; QMDV01000001; RAU83654.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A364RHB1; -.
DR OrthoDB; 9804062at2; -.
DR Proteomes; UP000251692; Unassembled WGS sequence.
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 {ECO:0000256|HAMAP-Rule:MF_00249};
KW Chaperone {ECO:0000256|ARBA:ARBA00023186, ECO:0000256|HAMAP-Rule:MF_00249};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00249};
KW Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_00249};
KW Reference proteome {ECO:0000313|Proteomes:UP000251692}.
FT DOMAIN 53..350
FT /note="AAA+ ATPase"
FT /evidence="ECO:0000259|SMART:SM00382"
FT DOMAIN 353..449
FT /note="Clp ATPase C-terminal"
FT /evidence="ECO:0000259|SMART:SM01086"
FT BINDING 22
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00249"
FT BINDING 64..69
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00249"
FT BINDING 273
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00249"
FT BINDING 339
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00249"
FT BINDING 411
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00249"
SQ SEQUENCE 463 AA; 51846 MW; FC1149C7E273DFC4 CRC64;
MLDNIEHLTP AQIVAELDKY IIGQKDAKRN VAIALRNRWR RMNADENIRR EIVPNNILMI
GATGVGKTEI ARRLAKIADA PFTKVEASKF TEVGYVGRDV ESMVRDLVEQ SVNMVKTRKK
EEVKVQAAEM VEEIILDALI PPIQGRSTTP ISMAAHPDAI PDSDYELNER TRDKFREKIK
NGELEDRKIE IRIQHNGAPG VGIMGPGMDE ASMMNIQEMI SGMMPKKTKK RKVTIAEARK
LLLDEEAAKL IDMDEVKEEA IFKAENSGVI FIDEIDKVAS SSKKGGGPDV SREGVQRDLL
PIVEGSSVNT KYGVINTDHI LFIAAGAFHV AKPSDLIPEL QGRFPIRVEL QSLTKDDFYQ
ILKFPKNALT KQYEALLAAE DVELTFNDEA LDEIASLAYE VNAEVENIGA RRLQTIMSRL
LNDILFDVPD IIGANAKIVI TRELVKERLS DMVKNRDLSQ YIL
//