ID A0A251SIS0_HELAN Unreviewed; 331 AA.
AC A0A251SIS0;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 27-MAR-2024, entry version 29.
DE RecName: Full=Peroxidase {ECO:0000256|ARBA:ARBA00012313, ECO:0000256|RuleBase:RU362060};
DE EC=1.11.1.7 {ECO:0000256|ARBA:ARBA00012313, ECO:0000256|RuleBase:RU362060};
GN ORFNames=HannXRQ_Chr14g0448801 {ECO:0000313|EMBL:OTF98729.1},
GN HanXRQr2_Chr14g0652891 {ECO:0000313|EMBL:KAF5769842.1};
OS Helianthus annuus (Common sunflower).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC asterids; campanulids; Asterales; Asteraceae; Asteroideae;
OC Heliantheae alliance; Heliantheae; Helianthus.
OX NCBI_TaxID=4232 {ECO:0000313|EMBL:OTF98729.1, ECO:0000313|Proteomes:UP000215914};
RN [1] {ECO:0000313|EMBL:KAF5769842.1, ECO:0000313|Proteomes:UP000215914}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. SF193 {ECO:0000313|Proteomes:UP000215914};
RC TISSUE=Leaves {ECO:0000313|EMBL:KAF5769842.1};
RX PubMed=28538728; DOI=10.1038/nature22380;
RA Badouin H., Gouzy J., Grassa C.J., Murat F., Staton S.E., Cottret L.,
RA Lelandais-Briere C., Owens G.L., Carrere S., Mayjonade B., Legrand L.,
RA Gill N., Kane N.C., Bowers J.E., Hubner S., Bellec A., Berard A.,
RA Berges H., Blanchet N., Boniface M.C., Brunel D., Catrice O., Chaidir N.,
RA Claudel C., Donnadieu C., Faraut T., Fievet G., Helmstetter N., King M.,
RA Knapp S.J., Lai Z., Le Paslier M.C., Lippi Y., Lorenzon L., Mandel J.R.,
RA Marage G., Marchand G., Marquand E., Bret-Mestries E., Morien E.,
RA Nambeesan S., Nguyen T., Pegot-Espagnet P., Pouilly N., Raftis F.,
RA Sallet E., Schiex T., Thomas J., Vandecasteele C., Vares D., Vear F.,
RA Vautrin S., Crespi M., Mangin B., Burke J.M., Salse J., Munos S.,
RA Vincourt P., Rieseberg L.H., Langlade N.B.;
RT "The sunflower genome provides insights into oil metabolism, flowering and
RT Asterid evolution.";
RL Nature 546:148-152(2017).
RN [2] {ECO:0000313|EMBL:OTF98729.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC TISSUE=Leaves {ECO:0000313|EMBL:OTF98729.1};
RA Langlade N., Munos S.;
RT "Sunflower complete genome.";
RL Submitted (FEB-2017) to the EMBL/GenBank/DDBJ databases.
RN [3] {ECO:0000313|EMBL:KAF5769842.1}
RP NUCLEOTIDE SEQUENCE.
RC TISSUE=Leaves {ECO:0000313|EMBL:KAF5769842.1};
RA Gouzy J., Langlade N., Munos S.;
RT "Helianthus annuus Genome sequencing and assembly Release 2.";
RL Submitted (JUN-2020) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Removal of H(2)O(2), oxidation of toxic reductants,
CC biosynthesis and degradation of lignin, suberization, auxin catabolism,
CC response to environmental stresses such as wounding, pathogen attack
CC and oxidative stress. {ECO:0000256|RuleBase:RU362060}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 a phenolic donor + H2O2 = 2 a phenolic radical donor + 2
CC H2O; Xref=Rhea:RHEA:56136, ChEBI:CHEBI:15377, ChEBI:CHEBI:16240,
CC ChEBI:CHEBI:139520, ChEBI:CHEBI:139521; EC=1.11.1.7;
CC Evidence={ECO:0000256|ARBA:ARBA00000189,
CC ECO:0000256|RuleBase:RU362060};
CC -!- COFACTOR:
CC Name=Ca(2+); Xref=ChEBI:CHEBI:29108;
CC Evidence={ECO:0000256|PIRSR:PIRSR600823-3,
CC ECO:0000256|RuleBase:RU362060};
CC Note=Binds 2 calcium ions per subunit. {ECO:0000256|PIRSR:PIRSR600823-
CC 3, ECO:0000256|RuleBase:RU362060};
CC -!- COFACTOR:
CC Name=heme b; Xref=ChEBI:CHEBI:60344;
CC Evidence={ECO:0000256|PIRSR:PIRSR600823-3,
CC ECO:0000256|RuleBase:RU362060};
CC Note=Binds 1 heme b (iron(II)-protoporphyrin IX) group per subunit.
CC {ECO:0000256|PIRSR:PIRSR600823-3, ECO:0000256|RuleBase:RU362060};
CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000256|RuleBase:RU362060}.
CC -!- SIMILARITY: Belongs to the peroxidase family. Ascorbate peroxidase
CC subfamily. {ECO:0000256|ARBA:ARBA00006873}.
CC -!- SIMILARITY: Belongs to the peroxidase family. Classical plant (class
CC III) peroxidase subfamily. {ECO:0000256|RuleBase:RU362060}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; MNCJ02000329; KAF5769842.1; -; Genomic_DNA.
DR EMBL; CM007903; OTF98729.1; -; Genomic_DNA.
DR STRING; 4232.A0A251SIS0; -.
DR EnsemblPlants; mRNA:HanXRQr2_Chr14g0652891; CDS:HanXRQr2_Chr14g0652891.1; HanXRQr2_Chr14g0652891.
DR Gramene; mRNA:HanXRQr2_Chr14g0652891; CDS:HanXRQr2_Chr14g0652891.1; HanXRQr2_Chr14g0652891.
DR InParanoid; A0A251SIS0; -.
DR OMA; DCLLNGC; -.
DR OrthoDB; 1010072at2759; -.
DR Proteomes; UP000215914; Chromosome 14.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
DR GO; GO:0020037; F:heme binding; IEA:UniProtKB-UniRule.
DR GO; GO:0140825; F:lactoperoxidase activity; IEA:UniProtKB-EC.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0042744; P:hydrogen peroxide catabolic process; IEA:UniProtKB-KW.
DR GO; GO:0006979; P:response to oxidative stress; IEA:UniProtKB-UniRule.
DR CDD; cd00693; secretory_peroxidase; 1.
DR Gene3D; 1.10.520.10; -; 1.
DR Gene3D; 1.10.420.10; Peroxidase, domain 2; 1.
DR InterPro; IPR002016; Haem_peroxidase.
DR InterPro; IPR010255; Haem_peroxidase_sf.
DR InterPro; IPR000823; Peroxidase_pln.
DR InterPro; IPR019794; Peroxidases_AS.
DR InterPro; IPR019793; Peroxidases_heam-ligand_BS.
DR InterPro; IPR033905; Secretory_peroxidase.
DR PANTHER; PTHR31517; -; 1.
DR PANTHER; PTHR31517:SF64; PEROXIDASE; 1.
DR Pfam; PF00141; peroxidase; 1.
DR PRINTS; PR00458; PEROXIDASE.
DR PRINTS; PR00461; PLPEROXIDASE.
DR SUPFAM; SSF48113; Heme-dependent peroxidases; 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 Calcium {ECO:0000256|PIRSR:PIRSR600823-3, ECO:0000256|RuleBase:RU362060};
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157,
KW ECO:0000256|PIRSR:PIRSR600823-5};
KW Heme {ECO:0000256|ARBA:ARBA00022617, ECO:0000256|RuleBase:RU362060};
KW Hydrogen peroxide {ECO:0000256|RuleBase:RU362060};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRSR:PIRSR600823-3};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR600823-3};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU362060};
KW Peroxidase {ECO:0000256|ARBA:ARBA00022559, ECO:0000256|RuleBase:RU362060};
KW Reference proteome {ECO:0000313|Proteomes:UP000215914};
KW Secreted {ECO:0000256|ARBA:ARBA00022525, ECO:0000256|RuleBase:RU362060};
KW Signal {ECO:0000256|RuleBase:RU362060}.
FT SIGNAL 1..27
FT /evidence="ECO:0000256|RuleBase:RU362060"
FT CHAIN 28..331
FT /note="Peroxidase"
FT /evidence="ECO:0000256|RuleBase:RU362060"
FT /id="PRO_5041474797"
FT DOMAIN 29..331
FT /note="Plant heme peroxidase family profile"
FT /evidence="ECO:0000259|PROSITE:PS50873"
FT ACT_SITE 70
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-1"
FT BINDING 71
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 74
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 76
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 78
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 80
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 92
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 168
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-2"
FT BINDING 198
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:0000256|PIRSR:PIRSR600823-3"
FT BINDING 199
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 251
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 254
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 259
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT SITE 66
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-4"
FT DISULFID 39..120
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-5"
FT DISULFID 72..77
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-5"
FT DISULFID 126..327
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-5"
FT DISULFID 205..237
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-5"
SQ SEQUENCE 331 AA; 36925 MW; 82CF5C5F482ADEC1 CRC64;
MAMQQVLIKP LILTLLCISL ILQPSHSQQL STSFYHKSCP RFEQIIQDTT TNKQIASPTT
AGAALRLFFH DCLVEGCDAS VLISSTPFNK AERDADINLS LPGDGFDVVV RAKTALELAC
PGVVSCADIL AVATRNLVTM MGGPFYNVKL GRRDGLVSRA SRAQNILPKP TMSMNRIIRL
FKSIGFSVQE MVALTGAHTI GFSHCSEISS DIYNYNNSSR FDPSYNPRYA MGLRNACADY
RKNPSLSVFN DIMTPRDFDN SYYKNLPKGL GVLRSDRALV MDRRTRPFVE LYARDQKAFF
EAFGRAIEKL SLYGVKTGRN GEIRRRCDSF N
//
