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Protein

Peroxidase P7

Gene
N/A
Organism
Brassica rapa subsp. rapa (Turnip)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Removal of H2O2, oxidation of toxic reductants, biosynthesis and degradation of lignin, suberization, auxin catabolism, response to environmental stresses such as wounding, pathogen attack and oxidative stress. These functions might be dependent on each isozyme/isoform in each plant tissue.

Miscellaneous

The protein shown, TP7, is the principal isoperoxidase during winter in turnip.

Catalytic activityi

2 phenolic donor + H2O2 = 2 phenoxyl radical of the donor + 2 H2O.

Cofactori

Protein has several cofactor binding sites:
  • Ca2+Note: Binds 2 calcium ions per subunit.
  • heme bNote: Binds 1 heme b (iron(II)-protoporphyrin IX) group per subunit.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sitei38Transition state stabilizerPROSITE-ProRule annotation1
Active sitei42Proton acceptorPROSITE-ProRule annotation1
Metal bindingi43Calcium 1PROSITE-ProRule annotation1
Metal bindingi46Calcium 1; via carbonyl oxygenPROSITE-ProRule annotation1
Metal bindingi48Calcium 1; via carbonyl oxygenPROSITE-ProRule annotation1
Metal bindingi50Calcium 1PROSITE-ProRule annotation1
Metal bindingi52Calcium 1PROSITE-ProRule annotation1
Binding sitei139Substrate; via carbonyl oxygenPROSITE-ProRule annotation1
Metal bindingi169Iron (heme axial ligand)PROSITE-ProRule annotation1
Metal bindingi170Calcium 2PROSITE-ProRule annotation1
Metal bindingi216Calcium 2PROSITE-ProRule annotation1
Metal bindingi219Calcium 2PROSITE-ProRule annotation1
Metal bindingi224Calcium 2PROSITE-ProRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionOxidoreductase, Peroxidase
Biological processHydrogen peroxide
LigandCalcium, Heme, Iron, Metal-binding

Protein family/group databases

PeroxiBasei154 BrPrx52-1Aa

Names & Taxonomyi

Protein namesi
Recommended name:
Peroxidase P7 (EC:1.11.1.7)
Alternative name(s):
TP7
OrganismiBrassica rapa subsp. rapa (Turnip)
Taxonomic identifieri51350 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeBrassiceaeBrassica

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00000556051 – 296Peroxidase P7Add BLAST296

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei1Pyrrolidone carboxylic acidPROSITE-ProRule annotation1 Publication1
Disulfide bondi11 ↔ 91PROSITE-ProRule annotation1 Publication
Disulfide bondi44 ↔ 49PROSITE-ProRule annotation1 Publication
Disulfide bondi97 ↔ 292
Disulfide bondi176 ↔ 201
Glycosylationi185N-linked (GlcNAc...) asparagine1

Keywords - PTMi

Disulfide bond, Glycoprotein, Pyrrolidone carboxylic acid

Structurei

3D structure databases

ProteinModelPortaliP00434
SMRiP00434
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the peroxidase family. Classical plant (class III) peroxidase subfamily.PROSITE-ProRule annotation

Family and domain databases

CDDicd00693 secretory_peroxidase, 1 hit
InterProiView protein in InterPro
IPR010255 Haem_peroxidase
IPR002016 Haem_peroxidase_pln/fun/bac
IPR000823 Peroxidase_pln
IPR019794 Peroxidases_AS
IPR019793 Peroxidases_heam-ligand_BS
IPR033905 Secretory_peroxidase
PfamiView protein in Pfam
PF00141 peroxidase, 1 hit
PRINTSiPR00458 PEROXIDASE
PR00461 PLPEROXIDASE
SUPFAMiSSF48113 SSF48113, 1 hit
PROSITEiView protein in PROSITE
PS00435 PEROXIDASE_1, 1 hit
PS00436 PEROXIDASE_2, 1 hit
PS50873 PEROXIDASE_4, 1 hit

Sequencei

Sequence statusi: Complete.

P00434-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
QLTTNFYSTS CPNLLSTVKS GVKSAVSSQP RMGASILRLF FHDCFVNGCD
60 70 80 90 100
GSILLDDTSS FTGEQNAGPN RNSARGFTVI NDIKSAVEKA CPGVVSCADI
110 120 130 140 150
LAIAARDSVV QLGGPNWNVK VGRRDAKTAS QAAANSNIPA PSMSLSQLIS
160 170 180 190 200
SFSAVGLSTR DMVALSGAHT IGQSRCVNFR ARVYNETNIN AAFATLRQRS
210 220 230 240 250
CPRAAGSGDA NLAPLDINSA TSFDNSYFKN LMAQRGLLHS DQVLFNGGST
260 270 280 290
DSIVRGYSNS PSSFNSDFAA AMIKMGDISP LTGSSGEIRK VCGKTN
Length:296
Mass (Da):31,086
Last modified:February 1, 1994 - v3
Checksum:i53C9CCE59B2A7937
GO

Sequence databases

PIRiA91094 OPNB7

Similar proteinsi

Cross-referencesi

Sequence databases

PIRiA91094 OPNB7

3D structure databases

ProteinModelPortaliP00434
SMRiP00434
ModBaseiSearch...
MobiDBiSearch...

Protein family/group databases

PeroxiBasei154 BrPrx52-1Aa

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Family and domain databases

CDDicd00693 secretory_peroxidase, 1 hit
InterProiView protein in InterPro
IPR010255 Haem_peroxidase
IPR002016 Haem_peroxidase_pln/fun/bac
IPR000823 Peroxidase_pln
IPR019794 Peroxidases_AS
IPR019793 Peroxidases_heam-ligand_BS
IPR033905 Secretory_peroxidase
PfamiView protein in Pfam
PF00141 peroxidase, 1 hit
PRINTSiPR00458 PEROXIDASE
PR00461 PLPEROXIDASE
SUPFAMiSSF48113 SSF48113, 1 hit
PROSITEiView protein in PROSITE
PS00435 PEROXIDASE_1, 1 hit
PS00436 PEROXIDASE_2, 1 hit
PS50873 PEROXIDASE_4, 1 hit
ProtoNetiSearch...

Entry informationi

Entry nameiPERP7_BRARR
AccessioniPrimary (citable) accession number: P00434
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 21, 1986
Last sequence update: February 1, 1994
Last modified: February 28, 2018
This is version 102 of the entry and version 3 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Direct protein sequencing

Documents

  1. SIMILARITY comments
    Index of protein domains and families
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

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