UniProt Accession

Q9XFT3; O49568; Q2V3G5; PSBQ1_ARATH 

Theoretical PI

9.64 

Molecular Weight

23866.22 

Genbank Protein ID

AL031187;AY088330;AL161554;AY094048;CP002687;AY050328;AL021960;Y16847 

Genbank Nucleotide ID

CAA17547.1;AAM65869.1;AAM16204.1;CAB40384.1;CAA20194.1;AEE84436.1;CAB79128.1;AEE84435.1;
AAK91345.1 

Protein Name

Oxygen-evolving enhancer protein 3-1, chloroplastic; OEE3; 16 kDa subunit of oxygen evolving system of photosystem II; OEC 16 kDa subunit 

Gene Name

PSBQ1; PSBQ; PSBQA; At4g21280; F7J7.220; T6K22.20 

Created Date

2000-12-01 

Organism

Arabidopsis thaliana(Mouse-ear cress) 

NCBI Taxa ID

3702 

Phosphorylation Sites

Position	Peptide	Source	References
212	AEKYYAETVSALNEV	dbPPT	[1]
209	PSQAEKYYAETVSAL	dbPPT	[1]
189	LTTKLFDTIDNLDYA	dbPPT	[1]

Functional Description

Required for photosystem II assembly/stability and photoautotrophic growth under low light conditions. 

Sequence Annotation

transit peptide 1 44 Chloroplast
transit peptide 45 75 Thylakoid
chain 76 224 Oxygen-evolving enhancer protein 3-1, chloroplastic
splice variant 94 In isoform 2.

Keyword

Alternative splicing,Chloroplast,Complete proteome,Direct protein sequencing,Membrane,Photosynthesis,Photosystem II,Plastid,Reference proteome,Thylakoid,Transit peptide 

Sequence Source

UniProt 

Protein Sequence

Gene Ontology

GO:0009507; C: chloroplast; IDA: TAIR
GO:0009570; C: chloroplast stroma; IDA: TAIR
GO:0009534; C: chloroplast thylakoid; IDA: TAIR
GO:0009535; C: chloroplast thylakoid membrane; IDA: TAIR
GO:0019898; C: extrinsic component of membrane; IEA: InterPro
GO:0009654; C: photosystem II oxygen evolving complex; IEA: InterPro
GO:0009579; C: thylakoid; IDA: TAIR
GO:0031977; C: thylakoid lumen; IDA: TAIR
GO:0005509; F: calcium ion binding; IEA: InterPro
GO:0015979; P: photosynthesis; IEA: UniProtKB-KW 

Interpro

InterPro; IPR023222; PsbQ-like_domain
InterPro; IPR008797; PSII_PsbQ

Pfam

Pfam; PF05757; PsbQ 

SMART

 

PROSITE

 

PRINTS