PER3_DAUCA
ID PER3_DAUCA Reviewed; 15 AA.
AC P86056;
DT 16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT 16-DEC-2008, sequence version 1.
DT 11-DEC-2019, entry version 15.
DE RecName: Full=Peroxidase 3 {ECO:0000250|UniProtKB:P84714};
DE EC=1.11.1.7;
DE Flags: Fragment;
OS Daucus carota (Wild carrot).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC asterids; campanulids; Apiales; Apiaceae; Apioideae; Scandiceae; Daucinae;
OC Daucus; Daucus sect. Daucus.
OX NCBI_TaxID=4039;
RN [1] {ECO:0000305}
RP PROTEIN SEQUENCE.
RA Gomez Ros L.V., Almagro L., Ros Barcelo A., Pedreno M.A.;
RL Submitted (JUL-2008) to UniProtKB.
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. These functions might be dependent on each
CC isozyme/isoform in each plant tissue. {ECO:0000255|PROSITE-
CC ProRule:PRU00297}.
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 -!- COFACTOR:
CC Name=Ca(2+); Xref=ChEBI:CHEBI:29108;
CC Evidence={ECO:0000250|UniProtKB:P84714,
CC ECO:0000255|PROSITE-ProRule:PRU00297};
CC Note=Binds 2 calcium ions per subunit. {ECO:0000250|UniProtKB:P84714,
CC ECO:0000255|PROSITE-ProRule:PRU00297};
CC -!- COFACTOR:
CC Name=heme b; Xref=ChEBI:CHEBI:60344;
CC Evidence={ECO:0000250|UniProtKB:P84714,
CC ECO:0000255|PROSITE-ProRule:PRU00297};
CC Note=Binds 1 heme b (iron(II)-protoporphyrin IX) group per subunit.
CC {ECO:0000250|UniProtKB:P84714, ECO:0000255|PROSITE-ProRule:PRU00297};
CC -!- SIMILARITY: Belongs to the peroxidase family. Classical plant (class
CC III) peroxidase subfamily. {ECO:0000255|PROSITE-ProRule:PRU00297}.
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DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0004601; F:peroxidase activity; IEA:UniProtKB-KW.
DR GO; GO:0042744; P:hydrogen peroxide catabolic process; IEA:UniProtKB-KW.
PE 1: Evidence at protein level;
KW Calcium; Direct protein sequencing; Heme; Hydrogen peroxide; Iron;
KW Metal-binding; Oxidoreductase; Peroxidase.
FT CHAIN <1..>15
FT /note="Peroxidase 3"
FT /id="PRO_0000355595"
FT UNSURE 3
FT /note="M or F"
FT UNSURE 4
FT /note="L or I"
FT UNSURE 7
FT /note="L or I"
FT UNSURE 11
FT /note="Q or K"
FT UNSURE 14
FT /note="L or I"
FT NON_TER 1
FT NON_TER 15
SQ SEQUENCE 15 AA; 1636 MW; 9E39FAD325B8FEEE CRC64;
CTMLNVLTGT QEGLR