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KATG_HALSA
ID   KATG_HALSA              Reviewed;         720 AA.
AC   O73955; Q9HHP5;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1998, sequence version 1.
DT   03-AUG-2022, entry version 130.
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=Hydroperoxidase;
DE   AltName: Full=Peroxidase/catalase {ECO:0000255|HAMAP-Rule:MF_01961};
GN   Name=katG {ECO:0000255|HAMAP-Rule:MF_01961}; Synonyms=perA;
GN   OrderedLocusNames=VNG_6294G;
OS   Halobacterium salinarum (strain ATCC 700922 / JCM 11081 / NRC-1)
OS   (Halobacterium halobium).
OG   Plasmid pNRC200.
OC   Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Halobacteriales;
OC   Halobacteriaceae; Halobacterium.
OX   NCBI_TaxID=64091;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], AND FUNCTION.
RX   PubMed=11702717; DOI=10.3109/10425170109042049;
RA   Long S., Salin M.L.;
RT   "Molecular cloning, sequencing analysis and expression of the catalase-
RT   peroxidase gene from Halobacterium salinarum.";
RL   DNA Seq. 12:39-51(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700922 / JCM 11081 / NRC-1; PLASMID=pNRC200;
RX   PubMed=11016950; DOI=10.1073/pnas.190337797;
RA   Ng W.V., Kennedy S.P., Mahairas G.G., Berquist B., Pan M., Shukla H.D.,
RA   Lasky S.R., Baliga N.S., Thorsson V., Sbrogna J., Swartzell S., Weir D.,
RA   Hall J., Dahl T.A., Welti R., Goo Y.A., Leithauser B., Keller K., Cruz R.,
RA   Danson M.J., Hough D.W., Maddocks D.G., Jablonski P.E., Krebs M.P.,
RA   Angevine C.M., Dale H., Isenbarger T.A., Peck R.F., Pohlschroder M.,
RA   Spudich J.L., Jung K.-H., Alam M., Freitas T., Hou S., Daniels C.J.,
RA   Dennis P.P., Omer A.D., Ebhardt H., Lowe T.M., Liang P., Riley M., Hood L.,
RA   DasSarma S.;
RT   "Genome sequence of Halobacterium species NRC-1.";
RL   Proc. Natl. Acad. Sci. U.S.A. 97:12176-12181(2000).
CC   -!- FUNCTION: Bifunctional enzyme with both catalase and broad-spectrum
CC       peroxidase activity. {ECO:0000255|HAMAP-Rule:MF_01961,
CC       ECO:0000269|PubMed:11702717}.
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; AF069761; AAC23534.1; -; Genomic_DNA.
DR   EMBL; AE004438; AAG20931.1; -; Genomic_DNA.
DR   PIR; T44562; T44562.
DR   RefSeq; WP_010904144.1; NZ_BK010831.1.
DR   AlphaFoldDB; O73955; -.
DR   SMR; O73955; -.
DR   PeroxiBase; 2441; HAspCP01.
DR   EnsemblBacteria; AAG20931; AAG20931; VNG_6294G.
DR   GeneID; 5954764; -.
DR   GeneID; 62888199; -.
DR   KEGG; hal:VNG_6294G; -.
DR   PATRIC; fig|64091.14.peg.2277; -.
DR   HOGENOM; CLU_025424_2_0_2; -.
DR   InParanoid; O73955; -.
DR   OMA; MILAGNC; -.
DR   OrthoDB; 2839at2157; -.
DR   PhylomeDB; O73955; -.
DR   Proteomes; UP000000554; Plasmid pNRC200.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0004096; F:catalase activity; IBA:GO_Central.
DR   GO; GO:0020037; F:heme binding; IBA:GO_Central.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0070301; P:cellular response to hydrogen peroxide; IBA:GO_Central.
DR   GO; GO:0042744; P:hydrogen peroxide catabolic process; IBA:GO_Central.
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   Plasmid; Reference proteome.
FT   CHAIN           1..720
FT                   /note="Catalase-peroxidase"
FT                   /id="PRO_0000055581"
FT   ACT_SITE        83
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   BINDING         248
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            79
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   CROSSLNK        82..207
FT                   /note="Tryptophyl-tyrosyl-methioninium (Trp-Tyr) (with M-
FT                   233)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
FT   CROSSLNK        207..233
FT                   /note="Tryptophyl-tyrosyl-methioninium (Tyr-Met) (with W-
FT                   82)"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01961"
SQ   SEQUENCE   720 AA;  80477 MW;  FB88823BCD3CB2F9 CRC64;
     MENEDHNFGT SDWWPNQLDL EILDQNSQQV DPYGEDFDYA EAFEDLDLAA VKDDLEEMMT
     DSKDWWPADY GHYGPLFIRM AWHSAGTYRT FDGRGGAAGG RQRLPPVDSW PDNVNLDKAR
     RLLWPIKQKY GRKLSWGDLI ILAGNVALES MGFETYGFAG GRKDDYTPDE AVDWGPEDEW
     ETTSGDRFDA DGSLKWPLGN TVMGLIYVNP EGPNGEPDLE GSAKNIRESF GKMAMNDKET
     VALIAGGHTF GKVHGADDPE ENVGAEPAAA PIEKQGLGWE NEFGEGKGPD TITSGIEGPW
     NTTPTQWDMS YVDNLLEYEW EPEKGPGGAW QWTTKSGELN ESAPGVQDPT DTEDVMMLTT
     DVALKDDPDY REVLETFQEN PREFQQSFSK AWYKLIHRDM GPSERFLGPE VPEETMIWQD
     PLPDADYDLV DDEAVAALKS ELLESELSIP QLVKTAWASA STYRDSDKRG GANGARIRLE
     PQRSWEVNEP EQLEAALSTY EDIQAEFNDA RSDDMRVSLA DLIVLGGNAA IEQAAADAGY
     DVDVPFEPGR TDATPEQTDV ESFEALKPKA DGFRNYLGDD AEREPEELLV DKAELLNLTA
     DDMTVLVGGL RALGVTHGDS ELGIFTDQPG TLTNDFFTTL LDMDYEWEAA SEDREVFELR
     DRETGDVEWT GSRVDLLFGS NTRLRAIAEV YGSDADEELF VQDFVDTWSE VMKLDRFDLE
 
 
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