ID   HTPX_LEGPA              Reviewed;         280 AA.
AC   Q5X8K6;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-NOV-2004, sequence version 1.
DT   03-AUG-2022, entry version 98.
DE   RecName: Full=Protease HtpX {ECO:0000255|HAMAP-Rule:MF_00188};
DE            EC=3.4.24.- {ECO:0000255|HAMAP-Rule:MF_00188};
DE   AltName: Full=Heat shock protein HtpX {ECO:0000255|HAMAP-Rule:MF_00188};
GN   Name=htpX {ECO:0000255|HAMAP-Rule:MF_00188}; OrderedLocusNames=lpp0244;
OS   Legionella pneumophila (strain Paris).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Legionellales;
OC   Legionellaceae; Legionella.
OX   NCBI_TaxID=297246;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Paris;
RX   PubMed=15467720; DOI=10.1038/ng1447;
RA   Cazalet C., Rusniok C., Brueggemann H., Zidane N., Magnier A., Ma L.,
RA   Tichit M., Jarraud S., Bouchier C., Vandenesch F., Kunst F., Etienne J.,
RA   Glaser P., Buchrieser C.;
RT   "Evidence in the Legionella pneumophila genome for exploitation of host
RT   cell functions and high genome plasticity.";
RL   Nat. Genet. 36:1165-1173(2004).
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00188};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00188};
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_00188}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_00188}.
CC   -!- SIMILARITY: Belongs to the peptidase M48B family. {ECO:0000255|HAMAP-
CC       Rule:MF_00188}.
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DR   EMBL; CR628336; CAH11391.1; -; Genomic_DNA.
DR   RefSeq; WP_011212871.1; NC_006368.1.
DR   AlphaFoldDB; Q5X8K6; -.
DR   KEGG; lpp:lpp0244; -.
DR   LegioList; lpp0244; -.
DR   HOGENOM; CLU_042266_3_0_6; -.
DR   OMA; AVCCTEG; -.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0004222; F:metalloendopeptidase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006508; P:proteolysis; IEA:UniProtKB-KW.
DR   HAMAP; MF_00188; Pept_M48_protease_HtpX; 1.
DR   InterPro; IPR022919; Pept_M48_protease_HtpX.
DR   InterPro; IPR001915; Peptidase_M48.
DR   Pfam; PF01435; Peptidase_M48; 1.
DR   PROSITE; PS00142; ZINC_PROTEASE; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Hydrolase; Membrane; Metal-binding;
KW   Metalloprotease; Protease; Transmembrane; Transmembrane helix; Zinc.
FT   CHAIN           1..280
FT                   /note="Protease HtpX"
FT                   /id="PRO_1000077466"
FT   TRANSMEM        7..26
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        30..49
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        146..166
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        178..198
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   ACT_SITE        130
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   BINDING         129
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   BINDING         133
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   BINDING         203
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
SQ   SEQUENCE   280 AA;  30296 MW;  39AEBFA42199070C CRC64;
     MINNLKTFIL LASLTALLVV IGGLLGGSTG MLVALLFAGI MNFSAYWYSD TLVLKMYNAE
     PLSNNHFVYH IVSELAHRAG TSVPKVYLIN NSTPNAFATG RNPENASIAV TTGLLDRLTQ
     EEITGVLAHE LAHVIHRDTL INVVSATIAG TISGIANMFM WLSMFGHSSN NEEGVHPVVG
     MIMMIVAPLA AGLIQMAISR SREFEADAGG ARISGNPQWL ASALLKLDQA NHEQYFDEAE
     THPATAHLFI INPLNGEKLA NLFSTHPSTA ERVARLRAMY