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KATG_PECAS
ID   KATG_PECAS              Reviewed;         724 AA.
AC   Q6D5X9;
DT   25-NOV-2008, integrated into UniProtKB/Swiss-Prot.
DT   16-AUG-2004, sequence version 1.
DT   03-AUG-2022, entry version 97.
DE   RecName: Full=Catalase-peroxidase {ECO:0000255|HAMAP-Rule:MF_01961};
DE            Short=CP {ECO:0000255|HAMAP-Rule:MF_01961};
DE            EC=1.11.1.21 {ECO:0000255|HAMAP-Rule:MF_01961};
DE   AltName: Full=Peroxidase/catalase {ECO:0000255|HAMAP-Rule:MF_01961};
GN   Name=katG {ECO:0000255|HAMAP-Rule:MF_01961}; OrderedLocusNames=ECA1909;
OS   Pectobacterium atrosepticum (strain SCRI 1043 / ATCC BAA-672) (Erwinia
OS   carotovora subsp. atroseptica).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Pectobacteriaceae; Pectobacterium.
OX   NCBI_TaxID=218491;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SCRI 1043 / ATCC BAA-672;
RX   PubMed=15263089; DOI=10.1073/pnas.0402424101;
RA   Bell K.S., Sebaihia M., Pritchard L., Holden M.T.G., Hyman L.J.,
RA   Holeva M.C., Thomson N.R., Bentley S.D., Churcher L.J.C., Mungall K.,
RA   Atkin R., Bason N., Brooks K., Chillingworth T., Clark K., Doggett J.,
RA   Fraser A., Hance Z., Hauser H., Jagels K., Moule S., Norbertczak H.,
RA   Ormond D., Price C., Quail M.A., Sanders M., Walker D., Whitehead S.,
RA   Salmond G.P.C., Birch P.R.J., Parkhill J., Toth I.K.;
RT   "Genome sequence of the enterobacterial phytopathogen Erwinia carotovora
RT   subsp. atroseptica and characterization of virulence factors.";
RL   Proc. Natl. Acad. Sci. U.S.A. 101:11105-11110(2004).
CC   -!- FUNCTION: Bifunctional enzyme with both catalase and broad-spectrum
CC       peroxidase activity. {ECO:0000255|HAMAP-Rule:MF_01961}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=AH2 + H2O2 = A + 2 H2O; Xref=Rhea:RHEA:30275,
CC         ChEBI:CHEBI:13193, ChEBI:CHEBI:15377, ChEBI:CHEBI:16240,
CC         ChEBI:CHEBI:17499; EC=1.11.1.21; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01961};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 H2O2 = 2 H2O + O2; Xref=Rhea:RHEA:20309, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:15379, ChEBI:CHEBI:16240; EC=1.11.1.21;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01961};
CC   -!- COFACTOR:
CC       Name=heme b; Xref=ChEBI:CHEBI:60344;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01961};
CC       Note=Binds 1 heme b (iron(II)-protoporphyrin IX) group per dimer.
CC       {ECO:0000255|HAMAP-Rule:MF_01961};
CC   -!- SUBUNIT: Homodimer or homotetramer. {ECO:0000255|HAMAP-Rule:MF_01961}.
CC   -!- PTM: Formation of the three residue Trp-Tyr-Met cross-link is important
CC       for the catalase, but not the peroxidase activity of the enzyme.
CC       {ECO:0000255|HAMAP-Rule:MF_01961}.
CC   -!- SIMILARITY: Belongs to the peroxidase family. Peroxidase/catalase
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01961}.
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DR   EMBL; BX950851; CAG74812.1; -; Genomic_DNA.
DR   RefSeq; WP_011093477.1; NC_004547.2.
DR   AlphaFoldDB; Q6D5X9; -.
DR   SMR; Q6D5X9; -.
DR   STRING; 218491.ECA1909; -.
DR   PeroxiBase; 2478; EcarCP01.
DR   EnsemblBacteria; CAG74812; CAG74812; ECA1909.
DR   KEGG; eca:ECA1909; -.
DR   PATRIC; fig|218491.5.peg.1939; -.
DR   eggNOG; COG0376; Bacteria.
DR   HOGENOM; CLU_025424_2_0_6; -.
DR   OMA; MILAGNC; -.
DR   OrthoDB; 49441at2; -.
DR   Proteomes; UP000007966; Chromosome.
DR   GO; GO:0004096; F:catalase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0020037; F:heme binding; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0042744; P:hydrogen peroxide catabolic process; IEA:UniProtKB-KW.
DR   GO; GO:0006979; P:response to oxidative stress; IEA:InterPro.
DR   HAMAP; MF_01961; Catal_peroxid; 1.
DR   InterPro; IPR000763; Catalase_peroxidase.
DR   InterPro; IPR002016; Haem_peroxidase.
DR   InterPro; IPR010255; Haem_peroxidase_sf.
DR   InterPro; IPR019794; Peroxidases_AS.
DR   PANTHER; PTHR30555; PTHR30555; 1.
DR   Pfam; PF00141; peroxidase; 2.
DR   PRINTS; PR00460; BPEROXIDASE.
DR   PRINTS; PR00458; PEROXIDASE.
DR   SUPFAM; SSF48113; SSF48113; 2.
DR   TIGRFAMs; TIGR00198; cat_per_HPI; 1.
DR   PROSITE; PS00436; PEROXIDASE_2; 1.
DR   PROSITE; PS50873; PEROXIDASE_4; 1.
PE   3: Inferred from homology;
KW   Heme; Hydrogen peroxide; Iron; Metal-binding; Oxidoreductase; Peroxidase;
KW   Reference proteome.
FT   CHAIN           1..724
FT                   /note="Catalase-peroxidase"
FT                   /id="PRO_0000354773"
FT   REGION          1..26
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        99
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   BINDING         266
FT                   /ligand="heme b"
FT                   /ligand_id="ChEBI:CHEBI:60344"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   SITE            95
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   CROSSLNK        98..225
FT                   /note="Tryptophyl-tyrosyl-methioninium (Trp-Tyr) (with M-
FT                   251)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   CROSSLNK        225..251
FT                   /note="Tryptophyl-tyrosyl-methioninium (Tyr-Met) (with W-
FT                   98)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
SQ   SEQUENCE   724 AA;  80456 MW;  F980AE5839D0F79D CRC64;
     MDENKTKPTG KCPVMHGGNT STGSSNTDWW PNALNLDILH QHDTKTNPLG SDFSYREALK
     TLDVDALKKD LHALMTDSQE WWPADWGHYG GLMIRMAWHS AGSYRTTDGR GGGGTGNQRF
     APLNSWPDNV SLDKARRLLW PIKRKYGNKL SWADLIILAG TIAYESMGLK TFGFAFGRED
     IWQPEKDTYW GAEKEWLANS TERYGSDDRT SLENPLAAVQ MGLIYVNPEG VDGKSDPLRT
     AQDMRVTFSR MAMNDEETVA LTAGGHTVGK THGNGDASLL GAAPESADVE EQGLGWHNPT
     GSGKGRYTVT SGLEGAWTTH PTQWDNGFFQ MLLNHEWELR KSPAGASQWE PVSIKEEDKP
     VDVEDPSIRY NPMMTDADMA LKVDPEYRKI SERFSRDQAY FSEVFARAWF KLTHRDMGPK
     ARYVGPDVPQ EDLLWQDPVP AGRTDYDVDL VKARIAESSL SISELVATAW DSARTFRGSD
     MRGGANGARI RLAPQKDWVG NEPARLARVL VVLESIAAAT GASVADTIVL AGNVGIEKAA
     KAAGVQVTVP FAPGRGDTTD ALTDVESFDV LEPIHDGYRN WLKKDYAVSV EELMLDRTQL
     MGLTANEMTV LVGGLRVLGT NYGGTKHGVF TDREGALTND FFVNLTDMKY TWKPYRKDLY
     EIRDRKTGEV KWTATRLDLV FGSNSILRAY AEVYAQDDSK EKFVNDFVAA WVKVMNADRF
     DLAE
 
 
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