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KATG2_SHESR
ID   KATG2_SHESR             Reviewed;         739 AA.
AC   Q0HZ78;
DT   25-NOV-2008, integrated into UniProtKB/Swiss-Prot.
DT   03-OCT-2006, sequence version 1.
DT   03-AUG-2022, entry version 84.
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};
GN   OrderedLocusNames=Shewmr7_0574;
OS   Shewanella sp. (strain MR-7).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=60481;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MR-7;
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   Kiss H., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Nealson K.,
RA   Konstantinidis K., Klappenbach J., Tiedje J., Richardson P.;
RT   "Complete sequence of chromosome 1 of Shewanella sp. MR-7.";
RL   Submitted (AUG-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; CP000444; ABI41577.1; -; Genomic_DNA.
DR   RefSeq; WP_011625084.1; NC_008322.1.
DR   AlphaFoldDB; Q0HZ78; -.
DR   SMR; Q0HZ78; -.
DR   PeroxiBase; 3612; SHspCP01_MR-7.
DR   EnsemblBacteria; ABI41577; ABI41577; Shewmr7_0574.
DR   KEGG; shm:Shewmr7_0574; -.
DR   HOGENOM; CLU_025424_2_0_6; -.
DR   OMA; EEIFWGP; -.
DR   OrthoDB; 49441at2; -.
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   Signal.
FT   SIGNAL          1..26
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   CHAIN           27..739
FT                   /note="Catalase-peroxidase 2"
FT                   /id="PRO_5000128535"
FT   ACT_SITE        106
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   BINDING         268
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            102
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   CROSSLNK        105..227
FT                   /note="Tryptophyl-tyrosyl-methioninium (Trp-Tyr) (with M-
FT                   253)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   CROSSLNK        227..253
FT                   /note="Tryptophyl-tyrosyl-methioninium (Tyr-Met) (with W-
FT                   105)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
SQ   SEQUENCE   739 AA;  81291 MW;  73D96402FBF5C66F CRC64;
     MKKSTIPTLS ALTLAMSLAF GGSVIAQEQV TDNQFWWPEQ LNLSPLRQNA VESNPYGSDY
     HYAEAFKSLD LDAVKKDIKA LMTESQDWWP ADYGHYGPFF IRMAWHSAGV YRIFDGRGGA
     AGGQQRFEPL NSWPDNVNLD KARRLLWPIK QKYGSKISWG DLMVLTGNVA LESMGFKTFG
     FAGGRVDDWE AEQVNWGSEK AWLDSKRRNE KGELAKPMGA TQMGLIYVNP EGPNGVPDPL
     ASAKEIRDTF GRMAMNDEET VALIAGGHTF GKAHGAHDPS KCVGADPAAS GVEAQGLGWK
     NKCGKGHSED TVTSGLEGAW SSNPTKWTME YLTWLYTFDW VQTKSPAGHI QWTPADDKAA
     NLVPDAHLPD KRHAPMMFTS DIALKEDPIY REITTRFLKN PQEFELAFAK AWFKLTHRDM
     GPKARYLGAD VPAEMLIWQD PIPALDHPVI DNADIKALGN KILASGLTVP ELVRTAWASA
     SSFRGTDMRG GANGARIRLE PMMNWQANNP KELAKVLAKL EKVQKDFNGS LKGGKKVSLA
     DVIVLGGSVA VEKAAKEAGV TVSVPFTPGR MDATQAQTDV SSFAVLEPTA DGFRNYYSKD
     SSHSPAEMLI ERANMLNLTV PEMTVLVGGL RALGANSAGV KHGVFTDKPG TLSNDFFVNL
     LDMSTKWSKS EKQEGIYEGQ DRKSGKLKWT ATPVDLVFGS HSELRAVSEV YGAQDGQDRF
     VQDFIKAWNK VMNADRFDI
 
 
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