HTPX_HAEI8
ID HTPX_HAEI8 Reviewed; 283 AA.
AC Q4QMJ9;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 19-JUL-2005, sequence version 1.
DT 03-AUG-2022, entry version 91.
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=NTHI0852;
OS Haemophilus influenzae (strain 86-028NP).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Haemophilus.
OX NCBI_TaxID=281310;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=86-028NP;
RX PubMed=15968074; DOI=10.1128/jb.187.13.4627-4636.2005;
RA Harrison A., Dyer D.W., Gillaspy A., Ray W.C., Mungur R., Carson M.B.,
RA Zhong H., Gipson J., Gipson M., Johnson L.S., Lewis L., Bakaletz L.O.,
RA Munson R.S. Jr.;
RT "Genomic sequence of an otitis media isolate of nontypeable Haemophilus
RT influenzae: comparative study with H. influenzae serotype d, strain KW20.";
RL J. Bacteriol. 187:4627-4636(2005).
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; CP000057; AAX87748.1; -; Genomic_DNA.
DR RefSeq; WP_011272187.1; NC_007146.2.
DR AlphaFoldDB; Q4QMJ9; -.
DR SMR; Q4QMJ9; -.
DR MEROPS; M48.002; -.
DR EnsemblBacteria; AAX87748; AAX87748; NTHI0852.
DR KEGG; hit:NTHI0852; -.
DR HOGENOM; CLU_042266_1_0_6; -.
DR OMA; AVCCTEG; -.
DR OrthoDB; 1918093at2; -.
DR Proteomes; UP000002525; 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.
DR PROSITE; PS00142; ZINC_PROTEASE; 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..283
FT /note="Protease HtpX"
FT /id="PRO_1000020867"
FT TRANSMEM 4..24
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT TRANSMEM 33..53
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT TRANSMEM 147..167
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT TRANSMEM 190..210
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT ACT_SITE 140
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
FT BINDING 139
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
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 218
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00188"
SQ SEQUENCE 283 AA; 30807 MW; F51352B1BA243818 CRC64;
MMRILLFLAT NMAVMLVLGI ILNVTGIAGN STGGILIMAL LFGFAGSLIS LFLSKTMALR
SVDGEVITQP RNQTERWLID TVSRQAQKAG IPMPDVAIYH SPDVNAFATG ATKSNSLVAV
STGLLNNMTE AEAEAVLAHE ISHISNGDMV TMALLQGVLN TFVIFLSRVI ATAVASSRNN
NGEETRSSGI YFLVSMVLEM LFGVLASIIA MWFSRYREFR ADAGSASLVG KEKMIMALQR
LQQLHEPQNL EGSLNAFMIN GKRSELFMSH PPLEKRIEAL RNL