ID J3TXN3_9ENTR Unreviewed; 443 AA.
AC J3TXN3;
DT 31-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 31-OCT-2012, sequence version 1.
DT 24-JAN-2024, entry version 55.
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=A359_05940 {ECO:0000313|EMBL:AFP84985.1};
OS secondary endosymbiont of Ctenarytaina eucalypti.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; aphid secondary symbionts.
OX NCBI_TaxID=1199245 {ECO:0000313|EMBL:AFP84985.1, ECO:0000313|Proteomes:UP000003936};
RN [1] {ECO:0000313|EMBL:AFP84985.1, ECO:0000313|Proteomes:UP000003936}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Ceuc_S {ECO:0000313|EMBL:AFP84985.1};
RX PubMed=22821013; DOI=10.1093/molbev/mss180;
RA Sloan D.B., Moran N.A.;
RT "Genome reduction and co-evolution between the primary and secondary
RT bacterial symbionts of psyllids.";
RL Mol. Biol. Evol. 29:3781-3792(2012).
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}.
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DR EMBL; CP003546; AFP84985.1; -; Genomic_DNA.
DR RefSeq; WP_014888283.1; NC_018419.1.
DR AlphaFoldDB; J3TXN3; -.
DR STRING; 1199245.A359_05940; -.
DR KEGG; sect:A359_05940; -.
DR PATRIC; fig|1199245.3.peg.712; -.
DR HOGENOM; CLU_033123_0_0_6; -.
DR OrthoDB; 9804062at2; -.
DR Proteomes; UP000003936; 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:UniProtKB-KW.
DR GO; GO:0036402; F:proteasome-activating activity; IEA:UniProtKB-UniRule.
DR GO; GO:0043335; P:protein unfolding; IEA:UniProtKB-UniRule.
DR GO; GO:0006508; P:proteolysis; IEA:UniProtKB-KW.
DR CDD; cd19498; RecA-like_HslU; 1.
DR Gene3D; 1.10.8.60; -; 1.
DR Gene3D; 1.10.8.10; DNA helicase RuvA subunit, C-terminal domain; 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 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 Coiled coil {ECO:0000256|SAM:Coils};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00249};
KW Hydrolase {ECO:0000313|EMBL:AFP84985.1};
KW Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_00249};
KW Protease {ECO:0000313|EMBL:AFP84985.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000003936}.
FT DOMAIN 49..332
FT /note="AAA+ ATPase"
FT /evidence="ECO:0000259|SMART:SM00382"
FT DOMAIN 335..434
FT /note="Clp ATPase C-terminal"
FT /evidence="ECO:0000259|SMART:SM01086"
FT COILED 219..246
FT /evidence="ECO:0000256|SAM:Coils"
FT BINDING 18
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00249"
FT BINDING 60..65
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00249"
FT BINDING 256
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00249"
FT BINDING 321
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00249"
FT BINDING 393
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00249"
SQ SEQUENCE 443 AA; 49909 MW; 654E3C5BD3534035 CRC64;
MSEMTPREIV GELDGYIIGQ NNAKRAVAIA LRNRWRRMQL NDTLRHEVTP KNILMIGPTG
VGKTEIARRL AKLANAPFIK VEATKFTEVG YVGKEVDSII RDLTDASIKM VRLQSIEKNR
FRAEELAEER VLDILIPPTK TDWWQSAESS DPSSMRQNFR KQLREGKLDD KDIEINLSVA
PMGMEIMAPP GMEEMTNQLQ SMFKTLAGQT KKQRKIKIKE ALKLLVEEEA AKLVNLEELK
EKAIEAVEQN GIIFIDEIDK ICKRGVVSGS DVSREGVQRD LLPLVEGCTV STKHGMVKTD
HILFIASGAF QVSSPSDLIP ELQGRLPIRV ELEALTTEDF KRILTEPSAS LTTQYIALMA
TEGVHVSFTE EGIKRIAEAA WQVNERTENI GARRLHTVLE RLMEDISYDA SEWSGKAISI
DAEYVRRHLD ALVSDEDLSR FIL
//