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CATA_STAAU
ID   CATA_STAAU              Reviewed;         505 AA.
AC   Q9L4S1;
DT   20-DEC-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 82.
DE   RecName: Full=Catalase;
DE            EC=1.11.1.6;
GN   Name=katA;
OS   Staphylococcus aureus.
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=1280;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=ATCC 12600 / DSM 20231 / IAM 12544 / NCDO 949 / NCTC 8532;
RX   PubMed=10708385; DOI=10.1099/00221287-146-2-465;
RA   Sanz R., Marin I., Ruiz-Santa-Quiteria J.A., Orden J.A., Cid D., Diez R.M.,
RA   Silhadi K.S., Amils R., de la Fuente R.;
RT   "Catalase deficiency in Staphylococcus aureus subsp. anaerobius is
RT   associated with natural loss-of-function mutations within the structural
RT   gene.";
RL   Microbiology 146:465-475(2000).
CC   -!- FUNCTION: Decomposes hydrogen peroxide into water and oxygen; serves to
CC       protect cells from the toxic effects of hydrogen peroxide.
CC       {ECO:0000250}.
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         Evidence={ECO:0000255|PROSITE-ProRule:PRU10013};
CC   -!- COFACTOR:
CC       Name=heme; Xref=ChEBI:CHEBI:30413; Evidence={ECO:0000250};
CC   -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the catalase family. {ECO:0000305}.
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DR   EMBL; AJ000472; CAB76839.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q9L4S1; -.
DR   SMR; Q9L4S1; -.
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; IPR024708; Catalase_AS.
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; PS00438; CATALASE_2; 1.
DR   PROSITE; PS51402; CATALASE_3; 1.
PE   3: Inferred from homology;
KW   Heme; Hydrogen peroxide; Iron; Metal-binding; Oxidoreductase; Peroxidase.
FT   CHAIN           1..505
FT                   /note="Catalase"
FT                   /id="PRO_0000085002"
FT   REGION          1..25
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        56
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU10013"
FT   ACT_SITE        129
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU10013"
FT   BINDING         339
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   505 AA;  58324 MW;  BEEB05FBB0AE172F CRC64;
     MSQQDKKLTG VFGHPVSDRE NSMTAGPRGP LLMQDIYFLE QMSQFDREVI PERRMHAKGS
     GAFGTFTVTK DITKYTNAKI FSEIGKQTEM FARFSTVAGE RGAADAERDI RGFALKFYTE
     EGNWDLVGNN TPVFFFRDPK LFVSLNRAVK RDPRTNMRDA QNNWDFWTGL PEALHQVTIL
     MSDRGIPKDL RHMHGFGSHT YSMYNDSGER VWVKFHFRTQ QGIENLTDEE AAEIIATDRD
     SSQRDLFEAI EKGDYPKWTM YIQVMTEEQA KNHKDNPFDL TKVWYHDEYP LIEVGEFELN
     RNPDNYFTDV EQAAFAPTNI IPGLDFSPDK MLQGRLFSYG DAQRYRLGVN HWQIPVNQPK
     GVGIENICPF SRDGQMRVVD NNQGGGTHHY PNNHGKFDSQ PEYKKPPFPT DGYGYEYNQR
     QDDDNYFEQP GKLFRLQSED AKERIFTNTA NAMEGVTDDV KRRHIRHCYK ADPEYGKGVA
     KALGIDINSI DLETENDETY ENFEK
 
 
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