ID   HTPX_CAMHC              Reviewed;         282 AA.
AC   A7I0F9;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   11-SEP-2007, sequence version 1.
DT   03-AUG-2022, entry version 74.
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};
GN   OrderedLocusNames=CHAB381_0401;
OS   Campylobacter hominis (strain ATCC BAA-381 / LMG 19568 / NCTC 13146 /
OS   CH001A).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Campylobacteraceae; Campylobacter.
OX   NCBI_TaxID=360107;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-381 / LMG 19568 / NCTC 13146 / CH001A;
RA   Fouts D.E., Mongodin E.F., Puiu D., Sebastian Y., Miller W.G.,
RA   Mandrell R.E., Nelson K.E.;
RT   "Complete genome sequence of Campylobacter hominis ATCC BAA-381, a
RT   commensal isolated from the human gastrointestinal tract.";
RL   Submitted (JUL-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000776; ABS51651.1; -; Genomic_DNA.
DR   RefSeq; WP_012108283.1; NC_009714.1.
DR   AlphaFoldDB; A7I0F9; -.
DR   SMR; A7I0F9; -.
DR   STRING; 360107.CHAB381_0401; -.
DR   EnsemblBacteria; ABS51651; ABS51651; CHAB381_0401.
DR   KEGG; cha:CHAB381_0401; -.
DR   eggNOG; COG0501; Bacteria.
DR   HOGENOM; CLU_042266_3_0_7; -.
DR   OMA; REYMADS; -.
DR   OrthoDB; 1918093at2; -.
DR   Proteomes; UP000002407; 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; Reference proteome; Transmembrane;
KW   Transmembrane helix; Zinc.
FT   CHAIN           1..282
FT                   /note="Protease HtpX homolog"
FT                   /id="PRO_1000020857"
FT   TRANSMEM        6..26
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        28..48
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        140..160
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        177..197
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   ACT_SITE        131
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   BINDING         130
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   BINDING         134
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   BINDING         202
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
SQ   SEQUENCE   282 AA;  30792 MW;  1D1FEC778DBEC898 CRC64;
     MEQIKTFILM TFLALIFMFF GGLIGGEQGV IIAFVVALGM NFFSYFFSDK LVLKHYHAVK
     VDENSAGGLY AIVRRLANAA NVPMPSVYII PEQIPNAFAT GRNPNNAAVA VTEGLLNLLS
     ENEIEGVLAH EMSHVRHYDI LIGSVAAVFA GAIAILANFA KFGAVFGGNE NNRQNGILMI
     VAAIIMPIAA AIIQMAISRS REYKADAGAA NLTKHPEWLI SALSKLENYA QNRTMQNATP
     QSAHMFIINP FSGVKSSFSQ LFRTHPSTKD RIARLNEIKQ SM