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Protein

Oxygen-evolving enhancer protein 1-2, chloroplastic

Gene

PSBO2

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

Functioni

Stabilizes the manganese cluster which is the primary site of water splitting. Regulates dephosphorylation and turnover of the PSII reaction center D1 protein.2 Publications

GO - Molecular functioni

  • oxygen evolving activity Source: InterPro
  • poly(U) RNA binding Source: TAIR

GO - Biological processi

  • photoinhibition Source: TAIR
  • photosynthesis, light reaction Source: TAIR
  • photosystem II assembly Source: TAIR
  • photosystem II stabilization Source: TAIR
  • regulation of protein dephosphorylation Source: TAIR

Keywordsi

Biological processPhotosynthesis
LigandManganese

Names & Taxonomyi

Protein namesi
Recommended name:
Oxygen-evolving enhancer protein 1-2, chloroplastic
Short name:
OEE1
Alternative name(s):
33 kDa subunit of oxygen evolving system of photosystem II
33 kDa thylakoid membrane protein
Manganese-stabilizing protein 2
Short name:
MSP-2
OEC 33 kDa subunit
Gene namesi
Name:PSBO2
Ordered Locus Names:At3g50820
ORF Names:F18B3.100
OrganismiArabidopsis thaliana (Mouse-ear cress)
Taxonomic identifieri3702 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
Proteomesi
  • UP000006548 Componenti: Chromosome 3

Organism-specific databases

AraportiAT3G50820
TAIRilocus:2077972 AT3G50820

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, Membrane, Photosystem II, Plastid, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Transit peptidei1 – 57ChloroplastBy similarityAdd BLAST57
Transit peptidei58 – 84Thylakoid2 PublicationsAdd BLAST27
ChainiPRO_000002955485 – 331Oxygen-evolving enhancer protein 1-2, chloroplasticAdd BLAST247

Proteomic databases

PaxDbiQ9S841
PRIDEiQ9S841

2D gel databases

SWISS-2DPAGEQ9S841

PTM databases

iPTMnetiQ9S841

Expressioni

Gene expression databases

ExpressionAtlasiQ9S841 baseline and differential
GenevisibleiQ9S841 AT

Interactioni

Binary interactionsi

WithEntry#Exp.IntActNotes
trxAP0AA252EBI-449424,EBI-368542From Escherichia coli (strain K12).

Protein-protein interaction databases

BioGridi9564, 2 interactors
IntActiQ9S841, 3 interactors
STRINGi3702.AT3G50820.1

Structurei

3D structure databases

ProteinModelPortaliQ9S841
SMRiQ9S841
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the PsbO family.Curated

Keywords - Domaini

Transit peptide

Phylogenomic databases

eggNOGiENOG410IGC8 Eukaryota
ENOG410XP4G LUCA
HOGENOMiHOG000232492
InParanoidiQ9S841
KOiK02716
OMAiGKANDCP
OrthoDBiEOG09360EXY
PhylomeDBiQ9S841

Family and domain databases

InterProiView protein in InterPro
IPR011250 OMP/PagP_b-brl
IPR002628 PSII_MSP
PANTHERiPTHR34058 PTHR34058, 1 hit
PfamiView protein in Pfam
PF01716 MSP, 1 hit
SUPFAMiSSF56925 SSF56925, 1 hit

Sequencei

Sequence statusi: Complete.

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

Q9S841-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MATSLQAAAT FLQPAKIAAS PSRNVHLRSN QTVGKSFGLD SSQARLTCSL
60 70 80 90 100
HSDLKDFAGK CSDAAKIAGF ALATSALVVS GAGAEGAPKR LTYDEIQSKT
110 120 130 140 150
YMEVKGTGTA NQCPTIDGGS ETFSFKAGKY TGKKFCFEPT SFTVKADSVS
160 170 180 190 200
KNAPPDFQNT KLMTRLTYTL DEIEGPFEVG SDGSVKFKEE DGIDYAAVTV
210 220 230 240 250
QLPGGERVPF LFTVKQLEAS GKPESFSGKF LVPSYRGSSF LDPKGRGGST
260 270 280 290 300
GYDNAVALPA GGRGDEEELS KENVKNTAAS VGEITLKITK SKPETGEVIG
310 320 330
VFESLQPSDT DLGAKVPKDV KIQGVWYGQI E
Length:331
Mass (Da):35,019
Last modified:May 1, 2000 - v1
Checksum:i08F837E651B1C2E7
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AJ145957 mRNA Translation: CAB53092.1
AL049862 Genomic DNA Translation: CAB42911.1
CP002686 Genomic DNA Translation: AEE78714.1
AY050362 mRNA Translation: AAK91379.1
AY116934 mRNA Translation: AAM51568.1
AY088799 mRNA Translation: AAM67110.1
PIRiT08403
RefSeqiNP_190651.1, NM_114942.3
UniGeneiAt.21117

Genome annotation databases

EnsemblPlantsiAT3G50820.1; AT3G50820.1; AT3G50820
GeneIDi824246
GrameneiAT3G50820.1; AT3G50820.1; AT3G50820
KEGGiath:AT3G50820

Similar proteinsi

Entry informationi

Entry nameiPSBO2_ARATH
AccessioniPrimary (citable) accession number: Q9S841
Entry historyiIntegrated into UniProtKB/Swiss-Prot: December 1, 2000
Last sequence update: May 1, 2000
Last modified: May 23, 2018
This is version 119 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Direct protein sequencing, Reference proteome

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