HTPX_IDILO
ID HTPX_IDILO Reviewed; 287 AA.
AC Q5QZ20;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 04-JAN-2005, sequence version 1.
DT 03-AUG-2022, entry version 102.
DE RecName: Full=Protease HtpX {ECO:0000255|HAMAP-Rule:MF_00188};
DE EC=3.4.24.- {ECO:0000255|HAMAP-Rule:MF_00188};
DE AltName: Full=Heat shock protein HtpX {ECO:0000255|HAMAP-Rule:MF_00188};
GN Name=htpX {ECO:0000255|HAMAP-Rule:MF_00188}; OrderedLocusNames=IL1320;
OS Idiomarina loihiensis (strain ATCC BAA-735 / DSM 15497 / L2-TR).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC Idiomarinaceae; Idiomarina.
OX NCBI_TaxID=283942;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-735 / DSM 15497 / L2-TR;
RX PubMed=15596722; DOI=10.1073/pnas.0407638102;
RA Hou S., Saw J.H., Lee K.S., Freitas T.A., Belisle C., Kawarabayasi Y.,
RA Donachie S.P., Pikina A., Galperin M.Y., Koonin E.V., Makarova K.S.,
RA Omelchenko M.V., Sorokin A., Wolf Y.I., Li Q.X., Keum Y.S., Campbell S.,
RA Denery J., Aizawa S., Shibata S., Malahoff A., Alam M.;
RT "Genome sequence of the deep-sea gamma-proteobacterium Idiomarina
RT loihiensis reveals amino acid fermentation as a source of carbon and
RT energy.";
RL Proc. Natl. Acad. Sci. U.S.A. 101:18036-18041(2004).
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; AE017340; AAV82160.1; -; Genomic_DNA.
DR RefSeq; WP_011234566.1; NC_006512.1.
DR AlphaFoldDB; Q5QZ20; -.
DR SMR; Q5QZ20; -.
DR STRING; 283942.IL1320; -.
DR MEROPS; M48.002; -.
DR EnsemblBacteria; AAV82160; AAV82160; IL1320.
DR KEGG; ilo:IL1320; -.
DR eggNOG; COG0501; Bacteria.
DR HOGENOM; CLU_042266_1_0_6; -.
DR OMA; AVCCTEG; -.
DR OrthoDB; 1918093at2; -.
DR Proteomes; UP000001171; 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..287
FT /note="Protease HtpX"
FT /id="PRO_1000020874"
FT TRANSMEM 4..24
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT TRANSMEM 37..57
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 194..214
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 219
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; 31436 MW; D6682C37196B75FC CRC64;
MKRVLLFLAT NMAILLVVSV VFNIVMAVTG IDAQGSVGLL VFCALFGFGG AFVSLWISRW
MAIRSTGARV IEKPQNQSEE WLFRTVQQQA QKAGVPMPQV AVYQSPEPNA FATGRSKNAS
LVAVSTGLLQ SMNADEVEAV LAHEMSHIAN GDMVTLTLIQ GVINTFVMFF ARIIASAIMR
GGDNQRGGGF AYYGVVMLLE IVFGVLASTI VMWFSRQREF RADAGSADLV GKQKMIAALR
RLQQGKESEL DGTMLAFGIK GKRSTMSKLF MSHPPLEERI HALEQRR