ID   HTPX_STRPZ              Reviewed;         298 AA.
AC   B5XJV3;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   25-NOV-2008, sequence version 1.
DT   03-AUG-2022, entry version 66.
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=Spy49_0277;
OS   Streptococcus pyogenes serotype M49 (strain NZ131).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=471876;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NZ131;
RX   PubMed=18820018; DOI=10.1128/jb.00672-08;
RA   McShan W.M., Ferretti J.J., Karasawa T., Suvorov A.N., Lin S., Qin B.,
RA   Jia H., Kenton S., Najar F., Wu H., Scott J., Roe B.A., Savic D.J.;
RT   "Genome sequence of a nephritogenic and highly transformable M49 strain of
RT   Streptococcus pyogenes.";
RL   J. Bacteriol. 190:7773-7785(2008).
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 membrane {ECO:0000255|HAMAP-Rule:MF_00188};
CC       Multi-pass membrane protein {ECO:0000255|HAMAP-Rule:MF_00188}.
CC   -!- SIMILARITY: Belongs to the peptidase M48B family. {ECO:0000255|HAMAP-
CC       Rule:MF_00188}.
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DR   EMBL; CP000829; ACI60615.1; -; Genomic_DNA.
DR   RefSeq; WP_012560458.1; NC_011375.1.
DR   AlphaFoldDB; B5XJV3; -.
DR   SMR; B5XJV3; -.
DR   EnsemblBacteria; ACI60615; ACI60615; Spy49_0277.
DR   KEGG; soz:Spy49_0277; -.
DR   HOGENOM; CLU_042266_2_1_9; -.
DR   OMA; AVCCTEG; -.
DR   Proteomes; UP000001039; 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 membrane; Hydrolase; Membrane; Metal-binding; Metalloprotease;
KW   Protease; Transmembrane; Transmembrane helix; Zinc.
FT   CHAIN           1..298
FT                   /note="Protease HtpX homolog"
FT                   /id="PRO_1000098853"
FT   TRANSMEM        14..34
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        39..59
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        197..217
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   ACT_SITE        144
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         147
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   BINDING         226
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
SQ   SEQUENCE   298 AA;  32789 MW;  A54CFBD9FF4DAC4D CRC64;
     MLYQQISQNK QRTVVLLVVF FALLALIGAS AGYLLLDNYA MGLVLALVIG MIYATSMIFQ
     STSLVMSMNN AREVTEKEAP GFFHIVEDMA MVAQIPMPRV FIIEDPSLNA FATGSSPQNA
     AVAATTGLLE VMNREELEGV IGHEISHIRN YDIRISTIAV ALASAVTVIS SIGGRMLWYG
     GGSRRQRDDG DDDVLRIITL LLSLLSLLLA PLVASLIQLA ISRQREYLAD ASSVELTRNP
     QGMIKALEKL QLSQPMKHPV DDASAALYIN EPRKKRSFSS LFSTHPPIEE RIERLKNM