ID   CATA_BRUAB              Reviewed;         499 AA.
AC   P0A327; Q577G4; Q59170;
DT   15-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 93.
DE   RecName: Full=Catalase;
DE            EC=1.11.1.6;
GN   Name=katA; OrderedLocusNames=BruAb2_0827;
OS   Brucella abortus biovar 1 (strain 9-941).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Brucellaceae; Brucella/Ochrobactrum group; Brucella.
OX   NCBI_TaxID=262698;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], AND PROTEIN SEQUENCE OF 2-11.
RC   STRAIN=19;
RX   PubMed=7961511; DOI=10.1128/jb.176.23.7375-7377.1994;
RA   Sha Z., Stabel T.J., Mayfield J.E.;
RT   "Brucella abortus catalase is a periplasmic protein lacking a standard
RT   signal sequence.";
RL   J. Bacteriol. 176:7375-7377(1994).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=9-941;
RX   PubMed=15805518; DOI=10.1128/jb.187.8.2715-2726.2005;
RA   Halling S.M., Peterson-Burch B.D., Bricker B.J., Zuerner R.L., Qing Z.,
RA   Li L.-L., Kapur V., Alt D.P., Olsen S.C.;
RT   "Completion of the genome sequence of Brucella abortus and comparison to
RT   the highly similar genomes of Brucella melitensis and Brucella suis.";
RL   J. Bacteriol. 187:2715-2726(2005).
CC   -!- FUNCTION: Decomposes hydrogen peroxide into water and oxygen; serves to
CC       protect cells from the toxic effects of hydrogen peroxide.
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=1.11.1.6;
CC   -!- COFACTOR:
CC       Name=heme; Xref=ChEBI:CHEBI:30413;
CC   -!- SUBUNIT: Homotetramer.
CC   -!- SUBCELLULAR LOCATION: Periplasm.
CC   -!- SIMILARITY: Belongs to the catalase family. {ECO:0000305}.
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DR   EMBL; U11439; AAA64655.1; -; Genomic_DNA.
DR   EMBL; AE017224; AAX76220.1; -; Genomic_DNA.
DR   PIR; A55227; A55227.
DR   RefSeq; WP_002966234.1; NC_006933.1.
DR   AlphaFoldDB; P0A327; -.
DR   SMR; P0A327; -.
DR   EnsemblBacteria; AAX76220; AAX76220; BruAb2_0827.
DR   GeneID; 45125730; -.
DR   KEGG; bmb:BruAb2_0827; -.
DR   HOGENOM; CLU_010645_4_1_5; -.
DR   OMA; WTCYVQV; -.
DR   SABIO-RK; P0A327; -.
DR   Proteomes; UP000000540; Chromosome II.
DR   GO; GO:0042597; C:periplasmic space; IEA:UniProtKB-SubCell.
DR   GO; GO:0004096; F:catalase activity; IEA:UniProtKB-EC.
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   CDD; cd08156; catalase_clade_3; 1.
DR   InterPro; IPR018028; Catalase.
DR   InterPro; IPR040333; Catalase_3.
DR   InterPro; IPR024711; Catalase_clade1/3.
DR   InterPro; IPR011614; Catalase_core.
DR   InterPro; IPR002226; Catalase_haem_BS.
DR   InterPro; IPR010582; Catalase_immune_responsive.
DR   InterPro; IPR020835; Catalase_sf.
DR   PANTHER; PTHR11465; PTHR11465; 1.
DR   Pfam; PF00199; Catalase; 1.
DR   Pfam; PF06628; Catalase-rel; 1.
DR   PIRSF; PIRSF038928; Catalase_clade1-3; 1.
DR   PRINTS; PR00067; CATALASE.
DR   SMART; SM01060; Catalase; 1.
DR   SUPFAM; SSF56634; SSF56634; 1.
DR   PROSITE; PS00437; CATALASE_1; 1.
DR   PROSITE; PS51402; CATALASE_3; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Heme; Hydrogen peroxide; Iron; Metal-binding;
KW   Oxidoreductase; Periplasm; Peroxidase.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000269|PubMed:7961511"
FT   CHAIN           2..499
FT                   /note="Catalase"
FT                   /id="PRO_0000084980"
FT   REGION          1..25
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        55
FT                   /evidence="ECO:0000250"
FT   ACT_SITE        127
FT                   /evidence="ECO:0000250"
FT   BINDING         337
FT                   /ligand="heme"
FT                   /ligand_id="ChEBI:CHEBI:30413"
FT                   /ligand_part="Fe"
FT                   /ligand_part_id="ChEBI:CHEBI:18248"
FT                   /note="axial binding residue"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   499 AA;  56446 MW;  8AC86DEC18F87648 CRC64;
     MTDRPIMTTS AGAPIPDNQN SLTAGERGPI LMQDYQLIEK LSHQNRERIP ERAVHAKGWG
     AYGTLTITGD ISRYTKAKVL QPGAQTPMLA RFSTVAGELG AADAERDVRG FALKFYTQEG
     NWDLVGNNTP VFFVRDPLKF PDFIHTQKRH PRTHLRSATA MWDFWSLSPE SLHQVTILMS
     DRGLPTDVRH INGYGSHTYS FWNDAGERYW VKFHFKTMQG HKHWTNAEAE QVIGRTREST
     QEDLFSAIEN GEFPKWKVQV QIMPELDADK TPYNPFDLTK VWPHADYPPI DIGVMELNRN
     PENYFTEVEN AAFSPSNIVP GIGFSPDKML QARIFSYADA HRHRLGTHYE SIPVNQPKCP
     VHHYHRDGQM NVYGGIKTGN PDAYYEPNSF NGPVEQPSAK EPPLCISGNA DRYNHRIGND
     DYSQPRALFN LFDAAQKQRL FSNIAAAMKG VPGFIVERQL GHFKLIHPEY EAGVRKALKD
     AHGYDANTIA LNEKITAAE