ID   HTPX_NITHX              Reviewed;         307 AA.
AC   Q1QRL0;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   16-MAY-2006, sequence version 1.
DT   03-AUG-2022, entry version 93.
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=Nham_0237;
OS   Nitrobacter hamburgensis (strain DSM 10229 / NCIMB 13809 / X14).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Nitrobacter.
OX   NCBI_TaxID=323097;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 10229 / NCIMB 13809 / X14;
RG   US DOE Joint Genome Institute;
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   Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Ivanova N., Ward B., Arp D., Klotz M., Stein L.,
RA   O'Mullan G., Starkenburg S., Sayavedra L., Poret-Peterson A.T.,
RA   Gentry M.E., Bruce D., Richardson P.;
RT   "Complete sequence of chromosome of Nitrobacter hamburgensis X14.";
RL   Submitted (MAR-2006) 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; CP000319; ABE61137.1; -; Genomic_DNA.
DR   RefSeq; WP_011508843.1; NC_007964.1.
DR   AlphaFoldDB; Q1QRL0; -.
DR   STRING; 323097.Nham_0237; -.
DR   EnsemblBacteria; ABE61137; ABE61137; Nham_0237.
DR   KEGG; nha:Nham_0237; -.
DR   eggNOG; COG0501; Bacteria.
DR   HOGENOM; CLU_042266_3_0_5; -.
DR   OMA; AVCCTEG; -.
DR   OrthoDB; 1918093at2; -.
DR   Proteomes; UP000001953; 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 inner membrane; Cell membrane; Hydrolase; Membrane; Metal-binding;
KW   Metalloprotease; Protease; Reference proteome; Transmembrane;
KW   Transmembrane helix; Zinc.
FT   CHAIN           1..307
FT                   /note="Protease HtpX homolog"
FT                   /id="PRO_1000020900"
FT   TRANSMEM        16..36
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        172..192
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT   REGION          278..307
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
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         201
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
SQ   SEQUENCE   307 AA;  32287 MW;  5B19778533ACB964 CRC64;
     MSYFRTAILL AGLTGLFMGV GYLIGGAAGA MIALVVAAAT NMFAYWNSDR MVLSMYGAHE
     VDAGTAPDLH RLVAELAARA ALPMPRVFLM DNPQPNAFAT GRNPENAAVA VTTGLMQSLR
     REELAGVIAH ELAHIKHHDT LLMTITATIA GAISMLAQFG MFFGGGNRGN NGPGIIGSLA
     MMILAPLGAM LVQMAISRTR EYAADEMGAR ICGQPMWLAS ALAKIDDAAH QVPNREAERA
     PATAHMFIIN PLSGHGMDNL FATHPSTENR IAALQRLAGQ SGSATPDPAP APRGPWNGGA
     PRRGPWG