ID   CLPX_BIFLO              Reviewed;         472 AA.
AC   Q8G5R1;
DT   15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   15-MAR-2005, sequence version 2.
DT   03-AUG-2022, entry version 105.
DE   RecName: Full=ATP-dependent Clp protease ATP-binding subunit ClpX {ECO:0000255|HAMAP-Rule:MF_00175};
GN   Name=clpX {ECO:0000255|HAMAP-Rule:MF_00175}; OrderedLocusNames=BL0943;
OS   Bifidobacterium longum (strain NCC 2705).
OC   Bacteria; Actinobacteria; Bifidobacteriales; Bifidobacteriaceae;
OC   Bifidobacterium.
OX   NCBI_TaxID=206672;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NCC 2705;
RX   PubMed=12381787; DOI=10.1073/pnas.212527599;
RA   Schell M.A., Karmirantzou M., Snel B., Vilanova D., Berger B., Pessi G.,
RA   Zwahlen M.-C., Desiere F., Bork P., Delley M., Pridmore R.D., Arigoni F.;
RT   "The genome sequence of Bifidobacterium longum reflects its adaptation to
RT   the human gastrointestinal tract.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:14422-14427(2002).
CC   -!- FUNCTION: ATP-dependent specificity component of the Clp protease. It
CC       directs the protease to specific substrates. Can perform chaperone
CC       functions in the absence of ClpP. {ECO:0000255|HAMAP-Rule:MF_00175}.
CC   -!- SUBUNIT: Component of the ClpX-ClpP complex. Forms a hexameric ring
CC       that, in the presence of ATP, binds to fourteen ClpP subunits assembled
CC       into a disk-like structure with a central cavity, resembling the
CC       structure of eukaryotic proteasomes. {ECO:0000255|HAMAP-Rule:MF_00175}.
CC   -!- SIMILARITY: Belongs to the ClpX chaperone family. {ECO:0000255|HAMAP-
CC       Rule:MF_00175}.
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DR   EMBL; AE014295; AAN24755.1; -; Genomic_DNA.
DR   RefSeq; NP_696119.1; NC_004307.2.
DR   AlphaFoldDB; Q8G5R1; -.
DR   SMR; Q8G5R1; -.
DR   STRING; 206672.BL0943; -.
DR   PRIDE; Q8G5R1; -.
DR   EnsemblBacteria; AAN24755; AAN24755; BL0943.
DR   KEGG; blo:BL0943; -.
DR   PATRIC; fig|206672.9.peg.645; -.
DR   HOGENOM; CLU_014218_8_2_11; -.
DR   OMA; HYKRVQA; -.
DR   Proteomes; UP000000439; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0016887; F:ATP hydrolysis activity; IEA:InterPro.
DR   GO; GO:0140662; F:ATP-dependent protein folding chaperone; IEA:InterPro.
DR   GO; GO:0046983; F:protein dimerization activity; IEA:InterPro.
DR   GO; GO:0051082; F:unfolded protein binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0008270; F:zinc ion binding; IEA:InterPro.
DR   Gene3D; 3.40.50.300; -; 1.
DR   Gene3D; 6.20.220.10; -; 1.
DR   HAMAP; MF_00175; ClpX; 1.
DR   InterPro; IPR003593; AAA+_ATPase.
DR   InterPro; IPR003959; ATPase_AAA_core.
DR   InterPro; IPR019489; Clp_ATPase_C.
DR   InterPro; IPR004487; Clp_protease_ATP-bd_su_ClpX.
DR   InterPro; IPR046425; ClpX_bact.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR010603; Znf_CppX_C4.
DR   InterPro; IPR038366; Znf_CppX_C4_sf.
DR   Pfam; PF07724; AAA_2; 1.
DR   Pfam; PF10431; ClpB_D2-small; 1.
DR   Pfam; PF06689; zf-C4_ClpX; 1.
DR   SMART; SM00382; AAA; 1.
DR   SMART; SM01086; ClpB_D2-small; 1.
DR   SMART; SM00994; zf-C4_ClpX; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR00382; clpX; 1.
DR   PROSITE; PS51902; CLPX_ZB; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Chaperone; Metal-binding; Nucleotide-binding;
KW   Reference proteome; Zinc.
FT   CHAIN           1..472
FT                   /note="ATP-dependent Clp protease ATP-binding subunit ClpX"
FT                   /id="PRO_0000160318"
FT   DOMAIN          1..55
FT                   /note="ClpX-type ZB"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01250"
FT   REGION          105..135
FT                   /note="Insert"
FT   REGION          107..139
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        107..136
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         14
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01250"
FT   BINDING         17
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01250"
FT   BINDING         36
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01250"
FT   BINDING         39
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01250"
FT   BINDING         155..162
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00175"
SQ   SEQUENCE   472 AA;  51714 MW;  4E0817DF8B6EEEEA CRC64;
     MGRVVSYNED VPRCTFCGKT EHQVRKLVAG PNASICDECI ALCVDIISEE RVKDAEVNSL
     SLPKPAQIFD YLNRYVIGQE NAKRALSVAV YNHYKRVNME LQESAEQLDG NNGHSGQTSK
     QAKQSVPTQT RATRRSNDPL ADVEVAKSNI LLLGPTGVGK TYLAQALARV MNVPFVITDA
     TTLTEAGYVG DDVETVLQRL LQAADGDVSR AQHGIIYIDE IDKIARKSGE NTSITRDVSG
     EGVQQALLKI LEGTIASVPL EGTRKHKEQD VAQMDTRGIL FICGGAFVGL TDIVRKRLGR
     RETGFGANWH DADMKDEELL EQVNADDLAE FGLLPEFIGR LPVTSVLKEL TVDDLTAILT
     QPANALIKQY RKLFAVDGVD LQFTEQAIRA IADIAIKQGT GARGLRSIIE RTLQDTMFQL
     PSLDDVRQVI VDKASVEGSS TPKLLREAVD VPQGRLKVAQ SVLLDRVRTH EA