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HTPX_HELPJ
ID   HTPX_HELPJ              Reviewed;         310 AA.
AC   Q9ZKS4;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1999, sequence version 1.
DT   03-AUG-2022, entry version 121.
DE   RecName: Full=Protease HtpX homolog {ECO:0000255|HAMAP-Rule:MF_00188};
DE            EC=3.4.24.- {ECO:0000255|HAMAP-Rule:MF_00188};
GN   Name=htpX {ECO:0000255|HAMAP-Rule:MF_00188}; OrderedLocusNames=jhp_0861;
OS   Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=85963;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=J99 / ATCC 700824;
RX   PubMed=9923682; DOI=10.1038/16495;
RA   Alm R.A., Ling L.-S.L., Moir D.T., King B.L., Brown E.D., Doig P.C.,
RA   Smith D.R., Noonan B., Guild B.C., deJonge B.L., Carmel G., Tummino P.J.,
RA   Caruso A., Uria-Nickelsen M., Mills D.M., Ives C., Gibson R., Merberg D.,
RA   Mills S.D., Jiang Q., Taylor D.E., Vovis G.F., Trust T.J.;
RT   "Genomic sequence comparison of two unrelated isolates of the human gastric
RT   pathogen Helicobacter pylori.";
RL   Nature 397:176-180(1999).
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; AE001439; AAD06444.1; -; Genomic_DNA.
DR   PIR; D71878; D71878.
DR   AlphaFoldDB; Q9ZKS4; -.
DR   STRING; 85963.jhp_0861; -.
DR   EnsemblBacteria; AAD06444; AAD06444; jhp_0861.
DR   KEGG; hpj:jhp_0861; -.
DR   PATRIC; fig|85963.30.peg.103; -.
DR   eggNOG; COG0501; Bacteria.
DR   OMA; REYMADS; -.
DR   Proteomes; UP000000804; Chromosome.
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.
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..310
FT                   /note="Protease HtpX homolog"
FT                   /id="PRO_0000138867"
FT   TRANSMEM        16..36
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        55..75
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        182..202
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        214..234
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   ACT_SITE        167
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   BINDING         166
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   BINDING         170
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   BINDING         239
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
SQ   SEQUENCE   310 AA;  35471 MW;  4188493E1D3C6395 CRC64;
     MTNFEKIIAQ NRLKTNAVLT TYCAIFAFIG LLVDAIRINA NDLGIALFKL MTFQIFPTIT
     IVMFVVAFVI ILVCIQNFSS IMLSGDEYKL IDPSKVLSSK ENQIHRLLLE LLEEAKLHFE
     PKLYIINAPY MNAFASGWDE SNSLIALTSA LIERLDRDEL KAVIAHELSH IRHNDIRLTM
     CVGILSNIML LVANFSVYFF MGNRKNSGAN LARMILWVLQ IILPFLTLLL QMYLSRTREY
     MADSGAAFLM HDNKPMIRAL QKISNDYTNN DYKEIDKNST RSAAYLFNAE MFSTHPSIKN
     RIQSLRKRVI
 
 
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