ID K2KLU0_9PROT Unreviewed; 436 AA.
AC K2KLU0;
DT 28-NOV-2012, integrated into UniProtKB/TrEMBL.
DT 28-NOV-2012, sequence version 1.
DT 24-JAN-2024, entry version 53.
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=P24_02631 {ECO:0000313|EMBL:EKE78420.1};
OS Oceanibaculum indicum P24.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodospirillales;
OC Thalassobaculaceae; Oceanibaculum.
OX NCBI_TaxID=1207063 {ECO:0000313|EMBL:EKE78420.1, ECO:0000313|Proteomes:UP000006746};
RN [1] {ECO:0000313|EMBL:EKE78420.1, ECO:0000313|Proteomes:UP000006746}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=P24 {ECO:0000313|EMBL:EKE78420.1,
RC ECO:0000313|Proteomes:UP000006746};
RX PubMed=23209207; DOI=10.1128/JB.01859-12;
RA Lai Q., Shao Z.;
RT "Genome Sequence of Oceanibaculum indicum Type Strain P24.";
RL J. Bacteriol. 194:6942-6942(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}.
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:EKE78420.1}.
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DR EMBL; AMRL01000002; EKE78420.1; -; Genomic_DNA.
DR RefSeq; WP_008943143.1; NZ_AMRL01000002.1.
DR AlphaFoldDB; K2KLU0; -.
DR STRING; 1207063.P24_02631; -.
DR PATRIC; fig|1207063.3.peg.533; -.
DR eggNOG; COG1220; Bacteria.
DR Proteomes; UP000006746; 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: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; 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; IPR001270; ClpA/B.
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 PRINTS; PR00300; CLPPROTEASEA.
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|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_00249};
KW Chaperone {ECO:0000256|ARBA:ARBA00023186, ECO:0000256|HAMAP-Rule:MF_00249};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00249};
KW Hydrolase {ECO:0000313|EMBL:EKE78420.1};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00249}; Protease {ECO:0000313|EMBL:EKE78420.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000006746}.
FT DOMAIN 49..325
FT /note="AAA+ ATPase"
FT /evidence="ECO:0000259|SMART:SM00382"
FT DOMAIN 328..417
FT /note="Clp ATPase C-terminal"
FT /evidence="ECO:0000259|SMART:SM01086"
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 249
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00249"
FT BINDING 314
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00249"
FT BINDING 386
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00249"
SQ SEQUENCE 436 AA; 48410 MW; 256D057ED819CB45 CRC64;
MTAFSPREIV SELDRYIVGQ KDAKRAVAIA LRNRWRRQQL PEHLREEVLP KNILMIGPTG
VGKTEIARRL AKLAQAPFMK VEATKFTEVG YVGRDVEQII RDLVEIALTQ TRERLRQEVQ
AKAELAAEER VITALVGEGA AADTRHRFRK MLREGQLDSR EIEVEVADNA GASMPTMDIP
GMPGAQMGMI NLNDIFGKAF GQRTRKKKLS VADSYAVLTE EEADKLLDEE AVTREAIQSV
EQNGIVFLDE IDKICARSER SGADVSREGV QRDLLPLIEG TTVATKRGPV KTDHILFIAS
GAFHLAKPSD LLPELQGRLP IRVELQALTR DDFKRILTEP EASLIKQYVA LLATEQVTLD
FREDAIDALA TLSAEVNASV ENIGARRLHT VMERLLEEVS FTATDKPGET ITVDAAFVQK
HVGDLAKNAD LSKFIL
//