ID   HTPX_BARQU              Reviewed;         349 AA.
AC   Q6FYG1;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   19-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 102.
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=BQ12900;
OS   Bartonella quintana (strain Toulouse) (Rochalimaea quintana).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bartonellaceae; Bartonella.
OX   NCBI_TaxID=283165;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Toulouse;
RX   PubMed=15210978; DOI=10.1073/pnas.0305659101;
RA   Alsmark U.C.M., Frank A.C., Karlberg E.O., Legault B.-A., Ardell D.H.,
RA   Canbaeck B., Eriksson A.-S., Naeslund A.K., Handley S.A., Huvet M.,
RA   La Scola B., Holmberg M., Andersson S.G.E.;
RT   "The louse-borne human pathogen Bartonella quintana is a genomic derivative
RT   of the zoonotic agent Bartonella henselae.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:9716-9721(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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; BX897700; CAF26749.1; -; Genomic_DNA.
DR   RefSeq; WP_011179912.1; NC_005955.1.
DR   AlphaFoldDB; Q6FYG1; -.
DR   STRING; 283165.BQ12900; -.
DR   EnsemblBacteria; CAF26749; CAF26749; BQ12900.
DR   KEGG; bqu:BQ12900; -.
DR   eggNOG; COG0501; Bacteria.
DR   HOGENOM; CLU_042266_3_0_5; -.
DR   OMA; REYMADS; -.
DR   OrthoDB; 1918093at2; -.
DR   Proteomes; UP000000597; 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..349
FT                   /note="Protease HtpX homolog"
FT                   /id="PRO_1000020849"
FT   TRANSMEM        6..26
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        27..47
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        145..165
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        175..195
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   REGION          320..349
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        335..349
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
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         204
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
SQ   SEQUENCE   349 AA;  37890 MW;  32ADCC2BC8D036DD CRC64;
     MNIMRTAMLL AFMTALFMGV GYLIGGSNGM VIALLMAGGL NFFSYWNSDK IVLNMYGARK
     VDQHSSPVYY KIVSDLAQRA SLPQPKVYII DSAQPNAFAT GRNPQNAAVA ASTGLLEQLS
     AEEVAGVMAH ELAHIEHRDT LTMTLTATIA GAISMLGNFA FFMGGQRNSS EHSHGAGALG
     GLIALFVAPF AAMLVQMAIS RTREYAADRR GAEICGNPLW LASALSKIAG GGHTVYNEEA
     EHNPATAHMF IINPLKGEGA DSLFSTHPAT ANRIAALRRQ AEEMKGAMPK SMGWSEEENF
     HKKNSNLDYD GLNRSAQTSI FGNQENNAVQ RIKKRPSWLR YEDSKRSRS