ID A0A6D2HM03_9BRAS Unreviewed; 342 AA.
AC A0A6D2HM03;
DT 17-JUN-2020, integrated into UniProtKB/TrEMBL.
DT 17-JUN-2020, sequence version 1.
DT 27-MAR-2024, entry version 15.
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=MERR_LOCUS2849 {ECO:0000313|EMBL:CAA7015614.1};
OS Microthlaspi erraticum.
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC rosids; malvids; Brassicales; Brassicaceae; Coluteocarpeae; Microthlaspi.
OX NCBI_TaxID=1685480 {ECO:0000313|EMBL:CAA7015614.1, ECO:0000313|Proteomes:UP000467841};
RN [1] {ECO:0000313|EMBL:CAA7015614.1, ECO:0000313|Proteomes:UP000467841}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA Mishra B.;
RL Submitted (JAN-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. Classical plant (class
CC III) peroxidase subfamily. {ECO:0000256|RuleBase:RU362060}.
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DR EMBL; CACVBM020000188; CAA7015614.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A6D2HM03; -.
DR Proteomes; UP000467841; Unassembled WGS sequence.
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; IPR033905; Secretory_peroxidase.
DR PANTHER; PTHR31517; -; 1.
DR PANTHER; PTHR31517:SF81; PEROXIDASE; 1.
DR Pfam; PF00141; peroxidase; 1.
DR PRINTS; PR00458; PEROXIDASE.
DR PRINTS; PR00461; PLPEROXIDASE.
DR SUPFAM; SSF48113; Heme-dependent peroxidases; 1.
DR PROSITE; PS50873; PEROXIDASE_4; 1.
DR PROSITE; PS51257; PROKAR_LIPOPROTEIN; 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}; Heme {ECO:0000256|RuleBase:RU362060};
KW Hydrogen peroxide {ECO:0000256|RuleBase:RU362060};
KW Iron {ECO:0000256|PIRSR:PIRSR600823-3, ECO:0000256|RuleBase:RU362060};
KW Metal-binding {ECO:0000256|PIRSR:PIRSR600823-3,
KW ECO:0000256|RuleBase:RU362060};
KW Oxidoreductase {ECO:0000256|RuleBase:RU362060};
KW Peroxidase {ECO:0000256|RuleBase:RU362060};
KW Reference proteome {ECO:0000313|Proteomes:UP000467841};
KW Secreted {ECO:0000256|RuleBase:RU362060};
KW Signal {ECO:0000256|RuleBase:RU362060}.
FT SIGNAL 1..29
FT /evidence="ECO:0000256|RuleBase:RU362060"
FT CHAIN 30..342
FT /note="Peroxidase"
FT /evidence="ECO:0000256|RuleBase:RU362060"
FT /id="PRO_5025704519"
FT DOMAIN 38..342
FT /note="Plant heme peroxidase family profile"
FT /evidence="ECO:0000259|PROSITE:PS50873"
FT ACT_SITE 79
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-1"
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 83
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 85
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 87
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 89
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 179
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-2"
FT BINDING 209
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 210
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 263
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 265
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT BINDING 270
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-3"
FT SITE 75
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-4"
FT DISULFID 48..130
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-5"
FT DISULFID 81..86
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-5"
FT DISULFID 136..338
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-5"
FT DISULFID 216..245
FT /evidence="ECO:0000256|PIRSR:PIRSR600823-5"
SQ SEQUENCE 342 AA; 37094 MW; 0EB8F776BAC44DBC CRC64;
MTVMKPKSQA AAYASCFLVM SLLCGCISGD QTENSFEGLS YNYYEKTCPK VEEIVRSSLS
PMFVLDPTSP AALLRLMFHD CQVQGCDASI LIEPSGDQHQ QFTELDSAKN FGIRKRELIG
EIKTSLETEC PKQVSCSDII ILAARDAVAL TGGPLIAVPL GRKDSLSTPS KHVADSELPP
STADVDSILS LFAGKAMTVE ESVAIMGAHT LGVTHCNNVL SRFENENATS ANMDPRFQTF
LRVVCPEFSP SSKTAEATFV PNDQTSVIFD TAYYDDAIAG RGNLRIDSEI GADPRTRQFV
EAFAADQDRF FNAFASAFVK LSSYKVLTGD NGVVRSVCDK VD
//
