ID A0A1G9JTI0_9GAMM Unreviewed; 442 AA.
AC A0A1G9JTI0;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 20.
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=SAMN05661010_01619 {ECO:0000313|EMBL:SDL40839.1};
OS Halomonas muralis.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC Halomonadaceae; Halomonas.
OX NCBI_TaxID=119000 {ECO:0000313|EMBL:SDL40839.1, ECO:0000313|Proteomes:UP000198654};
RN [1] {ECO:0000313|EMBL:SDL40839.1, ECO:0000313|Proteomes:UP000198654}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 14789 {ECO:0000313|EMBL:SDL40839.1,
RC ECO:0000313|Proteomes:UP000198654};
RA de Groot N.N.;
RL Submitted (OCT-2016) 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}.
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DR EMBL; FNGI01000003; SDL40839.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1G9JTI0; -.
DR STRING; 119000.SAMN05661010_01619; -.
DR OrthoDB; 9804062at2; -.
DR Proteomes; UP000198654; 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; 1.10.8.10; DNA helicase RuvA subunit, C-terminal domain; 2.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
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, ECO:0000313|EMBL:SDL40839.1};
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:SDL40839.1};
KW Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_00249};
KW Protease {ECO:0000313|EMBL:SDL40839.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000198654}.
FT DOMAIN 51..332
FT /note="AAA+ ATPase"
FT /evidence="ECO:0000259|SMART:SM00382"
FT DOMAIN 335..433
FT /note="Clp ATPase C-terminal"
FT /evidence="ECO:0000259|SMART:SM01086"
FT BINDING 20
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00249"
FT BINDING 62..67
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 442 AA; 49576 MW; DBC8BDB01AA629C3 CRC64;
MSQSQMTPRE IVHALDQYII GQHDAKRAVA IALRNRWRRM QLDDELRPEV TPKNILMIGP
TGVGKTEIAR RLAKLARAPF IKIEATKFTE VGYVGRDVES IVRDLIEMSI KMVREQAKEE
VRYRADDAAE DRILDALLPR PRGSEYDSAR DDSSTRQLFR KKLREGQLDD KEIDIEITPQ
SSGFDIAGPP GMEEMTSQLQ SMFSNMGKQK TESKRVAVKD AWQLLRDEEA AKLVNDEDIK
RRAIEAVEEN GIVFLDEIDK VAKRGDSGGA EVSREGVQRD LLPLIEGSTV STKYGMIKTD
HILFIASGAF HLSKPSDLIP ELQGRLPIRV ELSALSPEDF RRILTEPSAA LTKQYQALMA
TEGLAIEFSD DGIARIAEIA WQVNEGTENI GARRLHTVME RLLEEASFQG GDMPGPLVID
ADYVNSQLGE LAMDEDLSRY IL
//