ID   HTPX_CERS1              Reviewed;         300 AA.
AC   A3PLU3;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   03-APR-2007, sequence version 1.
DT   03-AUG-2022, entry version 83.
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};
GN   OrderedLocusNames=Rsph17029_2206;
OS   Cereibacter sphaeroides (strain ATCC 17029 / ATH 2.4.9) (Rhodobacter
OS   sphaeroides).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC   Rhodobacteraceae; Cereibacter.
OX   NCBI_TaxID=349101;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 17029 / ATH 2.4.9;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Kiss H., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Richardson P.,
RA   Mackenzie C., Choudhary M., Donohue T.J., Kaplan S.;
RT   "Complete sequence of chromosome 1 of Rhodobacter sphaeroides ATCC 17029.";
RL   Submitted (FEB-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000577; ABN77309.1; -; Genomic_DNA.
DR   RefSeq; WP_011841514.1; NC_009049.1.
DR   AlphaFoldDB; A3PLU3; -.
DR   EnsemblBacteria; ABN77309; ABN77309; Rsph17029_2206.
DR   GeneID; 57470876; -.
DR   KEGG; rsh:Rsph17029_2206; -.
DR   HOGENOM; CLU_042266_3_0_5; -.
DR   OMA; AVCCTEG; -.
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..300
FT                   /note="Protease HtpX homolog"
FT                   /id="PRO_1000020927"
FT   TRANSMEM        7..24
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   TRANSMEM        29..46
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        174..194
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
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         203
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
SQ   SEQUENCE   300 AA;  32047 MW;  9C83E597B7EF40DD CRC64;
     MGYVRTGILM AVMTALFLGV GALIGGQSGA IIALVIAAGM NLFTFWNSDR AVLSMHGAHE
     VDPRAAPDLY NMVRGLADRA GMPMPKLYLI ETDQPNAFAT GRNPENAAVA VTRGLLRALT
     PEEVAGVVAH ELAHIRNRDT LLMTVTATFA GAISMLANFA FFFGGSSNEE GERPMGLVGT
     LALMFLAPLA AGLVQMAISR SREYEADRIG AEICGRPLWL ASALGKIEGL AQRIDNVRAE
     RNPATAHMFI VNPLHAMGHD RLFATHPNTA NRIAALRAMA EGAPQASRIP RVAARRGPWN