PER3_SOLLC
ID PER3_SOLLC Reviewed; 15 AA.
AC P85996;
DT 10-FEB-2009, integrated into UniProtKB/Swiss-Prot.
DT 10-FEB-2009, sequence version 1.
DT 12-AUG-2020, entry version 20.
DE RecName: Full=Peroxidase 3 {ECO:0000250|UniProtKB:P19135};
DE EC=1.11.1.7;
DE Flags: Fragment;
OS Solanum lycopersicum (Tomato) (Lycopersicon esculentum).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC asterids; lamiids; Solanales; Solanaceae; Solanoideae; Solaneae; Solanum;
OC Solanum subgen. Lycopersicon.
OX NCBI_TaxID=4081;
RN [1] {ECO:0000305}
RP PROTEIN SEQUENCE.
RA Almagro L., Calderon A.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:0000305}.
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=heme b; Xref=ChEBI:CHEBI:60344;
CC Evidence={ECO:0000250|UniProtKB:P19135,
CC ECO:0000255|PROSITE-ProRule:PRU00297};
CC Note=Binds 1 heme b (iron(II)-protoporphyrin IX) group per subunit.
CC {ECO:0000250|UniProtKB:P19135, ECO:0000255|PROSITE-ProRule:PRU00297};
CC -!- COFACTOR:
CC Name=Ca(2+); Xref=ChEBI:CHEBI:29108;
CC Evidence={ECO:0000250|UniProtKB:P19135,
CC ECO:0000255|PROSITE-ProRule:PRU00297};
CC Note=Binds 2 calcium ions per subunit. {ECO:0000250|UniProtKB:P19135,
CC ECO:0000255|PROSITE-ProRule:PRU00297};
CC -!- SUBCELLULAR LOCATION: Secreted {ECO:0000250|UniProtKB:P84516,
CC 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 Proteomes; UP000004994; Unplaced.
DR GO; GO:0005576; C:extracellular region; IEA:UniProtKB-SubCell.
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; Reference proteome; Secreted.
FT CHAIN <1..>15
FT /note="Peroxidase 3"
FT /id="PRO_0000363741"
FT UNSURE 1
FT /note="M or F"
FT UNSURE 4
FT /note="I or L"
FT UNSURE 7
FT /note="L or I"
FT UNSURE 14
FT /note="I or L"
FT NON_TER 1
FT NON_TER 15
SQ SEQUENCE 15 AA; 1544 MW; 9E3E82D917198C58 CRC64;
MGRIGVLTGN AGEIR