ID   HTPX1_METMA             Reviewed;         287 AA.
AC   Q8PXI2;
DT   19-OCT-2002, integrated into UniProtKB/Swiss-Prot.
DT   19-OCT-2002, sequence version 1.
DT   03-AUG-2022, entry version 130.
DE   RecName: Full=Protease HtpX homolog 1 {ECO:0000255|HAMAP-Rule:MF_00188};
DE            EC=3.4.24.- {ECO:0000255|HAMAP-Rule:MF_00188};
GN   Name=htpX1 {ECO:0000255|HAMAP-Rule:MF_00188}; OrderedLocusNames=MM_1236;
OS   Methanosarcina mazei (strain ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM
OS   11833 / OCM 88) (Methanosarcina frisia).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanosarcinales; Methanosarcinaceae; Methanosarcina.
OX   NCBI_TaxID=192952;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88;
RX   PubMed=12125824;
RA   Deppenmeier U., Johann A., Hartsch T., Merkl R., Schmitz R.A.,
RA   Martinez-Arias R., Henne A., Wiezer A., Baeumer S., Jacobi C.,
RA   Brueggemann H., Lienard T., Christmann A., Boemecke M., Steckel S.,
RA   Bhattacharyya A., Lykidis A., Overbeek R., Klenk H.-P., Gunsalus R.P.,
RA   Fritz H.-J., Gottschalk G.;
RT   "The genome of Methanosarcina mazei: evidence for lateral gene transfer
RT   between Bacteria and Archaea.";
RL   J. Mol. Microbiol. Biotechnol. 4:453-461(2002).
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; AE008384; AAM30932.1; -; Genomic_DNA.
DR   RefSeq; WP_011033185.1; NC_003901.1.
DR   AlphaFoldDB; Q8PXI2; -.
DR   SMR; Q8PXI2; -.
DR   STRING; 192952.MM_1236; -.
DR   EnsemblBacteria; AAM30932; AAM30932; MM_1236.
DR   GeneID; 24879933; -.
DR   KEGG; mma:MM_1236; -.
DR   PATRIC; fig|192952.21.peg.1441; -.
DR   eggNOG; arCOG01331; Archaea.
DR   HOGENOM; CLU_042266_3_0_2; -.
DR   OMA; AVCCTEG; -.
DR   Proteomes; UP000000595; 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..287
FT                   /note="Protease HtpX homolog 1"
FT                   /id="PRO_0000138919"
FT   TRANSMEM        7..26
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        30..49
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        150..170
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        181..201
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   ACT_SITE        132
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   BINDING         131
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   BINDING         135
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   BINDING         207
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
SQ   SEQUENCE   287 AA;  31005 MW;  F65ECB64621BCFAB CRC64;
     MKNMLKTTVL LAALTGLLVI IGDYFGGTGG MIIAFLFAVV LNFGSYWYSD KIVLKMYRAK
     EVSPAEAPNL HRIVDGLVMK AGIPKPKVYI VQSGMPNAFA TGRDPKHAAV AATTGILELL
     SYEEMEGVLA HELAHVKNRD TLISAIAATL AGVVTMLAHW AQWAAIFGGF GGRDDDGNGG
     IVGLIAMAIV APIAATLIQL AISRSREFAA DEEGARISRK PWALADALEK LEYGNSHYRA
     RVSDVQAKES SAHMFIVNPL KGGAVQSLFR THPVTDERVR RLRAMKF