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KATG2_SHEAM
ID   KATG2_SHEAM             Reviewed;         738 AA.
AC   A1S3J7;
DT   25-NOV-2008, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 85.
DE   RecName: Full=Catalase-peroxidase 2 {ECO:0000255|HAMAP-Rule:MF_01961};
DE            Short=CP 2 {ECO:0000255|HAMAP-Rule:MF_01961};
DE            EC=1.11.1.21 {ECO:0000255|HAMAP-Rule:MF_01961};
DE   AltName: Full=Peroxidase/catalase 2 {ECO:0000255|HAMAP-Rule:MF_01961};
DE   Flags: Precursor;
GN   Name=katG2 {ECO:0000255|HAMAP-Rule:MF_01961}; OrderedLocusNames=Sama_0745;
OS   Shewanella amazonensis (strain ATCC BAA-1098 / SB2B).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=326297;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1098 / SB2B;
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   Munk A.C., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Fredrickson J.,
RA   Richardson P.;
RT   "Complete sequence of Shewanella amazonensis SB2B.";
RL   Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000507; ABL98953.1; -; Genomic_DNA.
DR   RefSeq; WP_011758863.1; NC_008700.1.
DR   AlphaFoldDB; A1S3J7; -.
DR   SMR; A1S3J7; -.
DR   STRING; 326297.Sama_0745; -.
DR   PeroxiBase; 3598; SamCP01_SB2B.
DR   EnsemblBacteria; ABL98953; ABL98953; Sama_0745.
DR   KEGG; saz:Sama_0745; -.
DR   eggNOG; COG0376; Bacteria.
DR   HOGENOM; CLU_025424_2_0_6; -.
DR   OMA; EEIFWGP; -.
DR   OrthoDB; 49441at2; -.
DR   Proteomes; UP000009175; 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   InterPro; IPR019793; Peroxidases_heam-ligand_BS.
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; PS00435; PEROXIDASE_1; 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; Signal.
FT   SIGNAL          1..26
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   CHAIN           27..738
FT                   /note="Catalase-peroxidase 2"
FT                   /id="PRO_5000205037"
FT   ACT_SITE        105
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   BINDING         267
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            101
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   CROSSLNK        104..226
FT                   /note="Tryptophyl-tyrosyl-methioninium (Trp-Tyr) (with M-
FT                   252)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   CROSSLNK        226..252
FT                   /note="Tryptophyl-tyrosyl-methioninium (Tyr-Met) (with W-
FT                   104)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
SQ   SEQUENCE   738 AA;  80792 MW;  16A56208A6DDEC69 CRC64;
     MKRTLPTLSA LALSMSLALA AGQTQAAETT TNSYWWPEQL DLSPLRQHGS ESNPYGADYD
     YAKAFGSLDL VAVKADIKTV LTTSQDWWPA DYGHYGPFFI RMAWHSAGVY RIFDGRGGAS
     GGQQRFEPLN SWPDNVNLDK ARRLLWPIKQ KYGSKISWAD LMVLAGNVSL ESMGFKTFGF
     AGGRTDDWEA ERVDWGHEKK WLDNKRHNEK GELAKPLGAT QMGLIYVNPE GPNGVPDPLA
     AARDIRETFG RMAMNDEETV ALIAGGHTFG KAHGAHDPAK CVGADPAAAG VEAQGLGWKN
     KCGKGHSEDT VTSGLEGAWS VSPTQWTMQY LDNLYGFEWV QSKSPAGHIQ WIPANGAGDN
     LVPDAHVAGK RHAPIMFTTD IALKEDPSYR EITSRFRKDP KAFELAFAKA WFKLTHRDMG
     PKTRYLGSDV PAEALIWQDP IPALDHAVID TNDIAALKSA ILASGIAVPE LVRTAWASAA
     SFRGTDMRGG ANGARLRLEP QRSWEVNNPE ELAKVLPKLE KIQKDFNKSL KGGKKVSLAD
     VIVLAGGTAI EQAARSAGYS VTVPFTPGRM DATTAQTDVS SFAVLEPKAD AFRNFFSEES
     YLPPAEALVE KATQLTLSVP EMTALVGGLR VLDANSNKAK HGVFTDKPGN LSNDFFVNLL
     DMSTRWEKSP REAGLYQGFD RQSGKLRWTA TPVDLIFGSH AELRAVAEVY GANDGKDRFV
     EDFIAAWTKV MNLDRFDI
 
 
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