ID HTPX_ECO5E Reviewed; 293 AA.
AC B5YQX2;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 25-NOV-2008, sequence version 1.
DT 27-MAR-2024, entry version 75.
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};
GN OrderedLocusNames=ECH74115_2561;
OS Escherichia coli O157:H7 (strain EC4115 / EHEC).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=444450;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=EC4115 / EHEC;
RX PubMed=22135463; DOI=10.1073/pnas.1107176108;
RA Eppinger M., Mammel M.K., Leclerc J.E., Ravel J., Cebula T.A.;
RT "Genomic anatomy of Escherichia coli O157:H7 outbreaks.";
RL Proc. Natl. Acad. Sci. U.S.A. 108:20142-20147(2011).
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; CP001164; ACI35505.1; -; Genomic_DNA.
DR RefSeq; WP_000984517.1; NC_011353.1.
DR AlphaFoldDB; B5YQX2; -.
DR SMR; B5YQX2; -.
DR MEROPS; M48.002; -.
DR GeneID; 75202656; -.
DR KEGG; ecf:ECH74115_2561; -.
DR HOGENOM; CLU_042266_1_0_6; -.
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 CDD; cd07335; M48B_HtpX_like; 1.
DR Gene3D; 3.30.2010.10; Metalloproteases ('zincins'), catalytic domain; 1.
DR HAMAP; MF_00188; Pept_M48_protease_HtpX; 1.
DR InterPro; IPR022919; Pept_M48_protease_HtpX.
DR InterPro; IPR001915; Peptidase_M48.
DR PANTHER; PTHR43221; PROTEASE HTPX; 1.
DR PANTHER; PTHR43221:SF1; PROTEASE HTPX; 1.
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..293
FT /note="Protease HtpX"
FT /id="PRO_1000098816"
FT TRANSMEM 4..24
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT TRANSMEM 34..54
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT TRANSMEM 158..178
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT TRANSMEM 193..213
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT ACT_SITE 140
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT BINDING 139
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT BINDING 143
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT BINDING 222
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
SQ SEQUENCE 293 AA; 31957 MW; 132B39F6392DD5BF CRC64;
MMRIALFLLT NLAVMVVFGL VLSLTGIQSS SVQGLMIMAL LFGFGGSFVS LLMSKWMALR
SVGGEVIEQP RNERERWLVN TVATQARQAG IAMPQVAIYH APDINAFATG ARRDASLVAV
STGLLQNMSP DEAEAVIAHE ISHIANGDMV TMTLIQGVVN TFVIFISRIL AQLAAGFMGG
NRDEGEESNG NPLIYFAVAT VLELVFGILA SIITMWFSRH REFHADAGSA KLVGREKMIA
ALQRLKTSYE PQEATSMMAF CINGKSKSLS ELFMTHPPLD KRIEALRTGE YLK
//
