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Protein

Thylakoid lumenal 29 kDa protein, chloroplastic

Gene

TL29

Organism
Arabidopsis thaliana (Mouse-ear cress)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Caution

Was originally thought to be an ascorbate peroxidase (PubMed:12068123, PubMed:16034597). PubMed:19828564 fails to show any peroxidase activity associated with TL29 and demonstrates that TL29 could bind neither heme nor ascorbate. TL29 lacks the heme-binding site, the proton acceptor and the transition state stabilizer, which are conserved features of the ascorbate peroxidase.2 Publications

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionOxidoreductase

Protein family/group databases

PeroxiBasei3920 AtAPx07

Names & Taxonomyi

Protein namesi
Recommended name:
Thylakoid lumenal 29 kDa protein, chloroplastic (EC:1.-.-.-)
Short name:
TL29
Alternative name(s):
AtAPx07
P29
Probable L-ascorbate peroxidase 4
Gene namesi
Name:TL29
Synonyms:APX4
Ordered Locus Names:At4g09010
ORF Names:F23J3.40
OrganismiArabidopsis thaliana (Mouse-ear cress)
Taxonomic identifieri3702 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
Proteomesi
  • UP000006548 Componenti: Chromosome 4

Organism-specific databases

AraportiAT4G09010
TAIRilocus:2122333 AT4G09010

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cell wall Cytoskeleton Vacuole Chloroplast Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertion Graphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Chloroplast, Plastid, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Transit peptidei? – 82Thylakoid2 Publications
Transit peptidei1 – ?ChloroplastSequence analysis
ChainiPRO_000002363583 – 349Thylakoid lumenal 29 kDa protein, chloroplasticAdd BLAST267

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei155PhosphoserineCombined sources1

Keywords - PTMi

Phosphoprotein

Proteomic databases

PaxDbiP82281
PRIDEiP82281

PTM databases

iPTMnetiP82281

Expressioni

Developmental stagei

Down-regulated during leaf senescence.1 Publication

Gene expression databases

ExpressionAtlasiP82281 baseline and differential
GenevisibleiP82281 AT

Interactioni

Binary interactionsi

WithEntry#Exp.IntActNotes
trxAP0AA252EBI-2895799,EBI-368542From Escherichia coli (strain K12).

Protein-protein interaction databases

BioGridi11779, 2 interactors
IntActiP82281, 3 interactors
STRINGi3702.AT4G09010.1

Structurei

Secondary structure

1349
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Helixi86 – 108Combined sources23
Helixi110 – 112Combined sources3
Helixi113 – 124Combined sources12
Turni129 – 132Combined sources4
Beta strandi135 – 138Combined sources4
Helixi139 – 141Combined sources3
Helixi143 – 146Combined sources4
Helixi149 – 151Combined sources3
Helixi155 – 169Combined sources15
Helixi179 – 202Combined sources24
Turni203 – 205Combined sources3
Helixi207 – 216Combined sources10
Helixi220 – 223Combined sources4
Helixi224 – 228Combined sources5
Helixi247 – 249Combined sources3
Helixi252 – 261Combined sources10
Helixi266 – 271Combined sources6
Helixi273 – 276Combined sources4
Helixi280 – 287Combined sources8
Turni291 – 293Combined sources3
Helixi294 – 305Combined sources12
Beta strandi306 – 308Combined sources3
Helixi310 – 324Combined sources15
Turni325 – 327Combined sources3
Turni332 – 335Combined sources4

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
3RRWX-ray2.50A/B83-349[»]
ProteinModelPortaliP82281
SMRiP82281
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the peroxidase family.Curated

Keywords - Domaini

Transit peptide

Phylogenomic databases

eggNOGiENOG410IGN6 Eukaryota
ENOG410XSAA LUCA
HOGENOMiHOG000005679
InParanoidiP82281
KOiK00434
OMAiNEDRFHR
OrthoDBiEOG09360FM3
PhylomeDBiP82281

Family and domain databases

InterProiView protein in InterPro
IPR010255 Haem_peroxidase
IPR002016 Haem_peroxidase_pln/fun/bac
IPR002207 Peroxidase_I
PfamiView protein in Pfam
PF00141 peroxidase, 1 hit
PRINTSiPR00459 ASPEROXIDASE
SUPFAMiSSF48113 SSF48113, 1 hit

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P82281-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MGGVSFLSTV PSFTNTTNHQ HLTTLSSSSH RSAVIRCSKI EPQVSGESLA
60 70 80 90 100
FHRRDVLKLA GTAVGMELIG NGFINNVGDA KAADLNQRRQ RSEFQSKIKI
110 120 130 140 150
LLSTTIKAKP ELVPSLLKLA LNDAMTYDKA TKSGGANGSI RFSSELSRAE
160 170 180 190 200
NEGLSDGLSL IEEVKKEIDS ISKGGPISYA DIIQLAGQSA VKFTYLASAI
210 220 230 240 250
RKCGGNEEKG NLLYTAYGSA GQWGLFDRNF GRSDATEADP EGRVPQWGKA
260 270 280 290 300
TVQEMKDKFI AVGLGPRQLA VMSAFLGPDQ AATEQLLATD PQVAPWVQKY
310 320 330 340
QRSRETVSQT DYEVDLITAF TKLSCLGQQI NFEAYTYPVE RINLSKLKL
Length:349
Mass (Da):37,934
Last modified:December 1, 2000 - v2
Checksum:iABD439188BDA8E61
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti96S → A in AAP72143 (PubMed:12068123).Curated1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AC005359 Genomic DNA No translation available.
AL161513 Genomic DNA Translation: CAB78025.1
CP002687 Genomic DNA Translation: AEE82711.1
AF370534 mRNA Translation: AAK48961.1
AY072503 mRNA Translation: AAL66918.1
AF441713 mRNA Translation: AAP72143.1
PIRiA85091
RefSeqiNP_192640.1, NM_116970.3
UniGeneiAt.22637
At.47549

Genome annotation databases

EnsemblPlantsiAT4G09010.1; AT4G09010.1; AT4G09010
GeneIDi826480
GrameneiAT4G09010.1; AT4G09010.1; AT4G09010
KEGGiath:AT4G09010

Similar proteinsi

Entry informationi

Entry nameiTL29_ARATH
AccessioniPrimary (citable) accession number: P82281
Secondary accession number(s): Q7XZP6, Q9M0S6
Entry historyiIntegrated into UniProtKB/Swiss-Prot: December 1, 2000
Last sequence update: December 1, 2000
Last modified: April 25, 2018
This is version 124 of the entry and version 2 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Direct protein sequencing, Reference proteome

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