ID   HTPX2_SACS2             Reviewed;         325 AA.
AC   Q97TZ9;
DT   19-OCT-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2001, sequence version 1.
DT   03-AUG-2022, entry version 111.
DE   RecName: Full=Protease HtpX homolog 2 {ECO:0000255|HAMAP-Rule:MF_00188};
DE            EC=3.4.24.- {ECO:0000255|HAMAP-Rule:MF_00188};
GN   Name=htpX2 {ECO:0000255|HAMAP-Rule:MF_00188}; Synonyms=htpX-2;
GN   OrderedLocusNames=SSO3231;
OS   Saccharolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)
OS   (Sulfolobus solfataricus).
OC   Archaea; Crenarchaeota; Thermoprotei; Sulfolobales; Sulfolobaceae;
OC   Saccharolobus.
OX   NCBI_TaxID=273057;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35092 / DSM 1617 / JCM 11322 / P2;
RX   PubMed=11427726; DOI=10.1073/pnas.141222098;
RA   She Q., Singh R.K., Confalonieri F., Zivanovic Y., Allard G., Awayez M.J.,
RA   Chan-Weiher C.C.-Y., Clausen I.G., Curtis B.A., De Moors A., Erauso G.,
RA   Fletcher C., Gordon P.M.K., Heikamp-de Jong I., Jeffries A.C., Kozera C.J.,
RA   Medina N., Peng X., Thi-Ngoc H.P., Redder P., Schenk M.E., Theriault C.,
RA   Tolstrup N., Charlebois R.L., Doolittle W.F., Duguet M., Gaasterland T.,
RA   Garrett R.A., Ragan M.A., Sensen C.W., Van der Oost J.;
RT   "The complete genome of the crenarchaeon Sulfolobus solfataricus P2.";
RL   Proc. Natl. Acad. Sci. U.S.A. 98:7835-7840(2001).
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; AE006641; AAK43325.1; -; Genomic_DNA.
DR   PIR; F90508; F90508.
DR   RefSeq; WP_009989679.1; NC_002754.1.
DR   AlphaFoldDB; Q97TZ9; -.
DR   STRING; 273057.SSO3231; -.
DR   EnsemblBacteria; AAK43325; AAK43325; SSO3231.
DR   GeneID; 44128944; -.
DR   KEGG; sso:SSO3231; -.
DR   PATRIC; fig|273057.12.peg.3333; -.
DR   eggNOG; arCOG01331; Archaea.
DR   HOGENOM; CLU_042266_4_1_2; -.
DR   InParanoid; Q97TZ9; -.
DR   OMA; AVCCTEG; -.
DR   PhylomeDB; Q97TZ9; -.
DR   Proteomes; UP000001974; 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; Reference proteome; Transmembrane; Transmembrane helix; Zinc.
FT   CHAIN           1..325
FT                   /note="Protease HtpX homolog 2"
FT                   /id="PRO_0000138931"
FT   TRANSMEM        10..30
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        41..61
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        159..179
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        196..216
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   ACT_SITE        148
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         151
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   BINDING         223
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
SQ   SEQUENCE   325 AA;  36420 MW;  C71933866F60CE6C CRC64;
     MNWEVVKLRL NMALATLGIT LLGFALALAV ADYAFGAQFG VGLILSILIF IFFLNIIQWL
     FGPYMINWAY RTVEVTPTDP VYGWLYSTVA EVAKYNGFRE VPKVYIADVP FPNAFAYGSP
     IAGKRIAFTL PILKLLNRDE IMAVAGHELG HLKHRDVELL MAVGLIPALI YYLGWWLFWG
     GLFSGGGNGR GNNGGLVFLL GIIMMAVSFV FQLLVLSLNR MREAYADVNS ALTVPGGKEN
     LQLALAKLTL SMDPEALERF KKKSTTNQMA SMLFFTNAIE EVPTWNAKEL VEIWKTTKVP
     WYADIFMDHP HPAKRIQLLD KVSKY