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Protein

Photosystem II manganese-stabilizing polypeptide

Gene

psbO

Organism
Synechocystis sp. (strain PCC 6803 / Kazusa)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

MSP binds to a putative Mn-binding protein and keeps 2 of the 4 Mn-atoms associated with PSII.

GO - Molecular functioni

GO - Biological processi

Keywordsi

Biological processPhotosynthesis
LigandManganese

Enzyme and pathway databases

BioCyciMetaCyc:PSBO-MONOMER

Names & Taxonomyi

Protein namesi
Recommended name:
Photosystem II manganese-stabilizing polypeptide
Short name:
MSP
Gene namesi
Name:psbO
Ordered Locus Names:sll0427
OrganismiSynechocystis sp. (strain PCC 6803 / Kazusa)
Taxonomic identifieri1111708 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaSynechococcalesMerismopediaceaeSynechocystis
Proteomesi
  • UP000001425 Componenti: Chromosome

Subcellular locationi

GO - Cellular componenti

Keywords - Cellular componenti

Membrane, Photosystem II, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 281 PublicationAdd BLAST28
ChainiPRO_000002957029 – 274Photosystem II manganese-stabilizing polypeptideAdd BLAST246

Proteomic databases

PaxDbiP10549

Interactioni

Subunit structurei

Cyanobacterial PSII is composed of 1 copy each of membrane proteins PsbA, PsbB, PsbC, PsbD, PsbE, PsbF, PsbH, PsbI, PsbJ, PsbK, PsbL, PsbM, PsbT, PsbX, PsbY, PsbZ, Ycf12, at least 3 peripheral proteins PsbO, PsbU, PsbV and a large number of cofactors. It forms dimeric complexes.1 Publication

Protein-protein interaction databases

IntActiP10549, 6 interactors
STRINGi1148.SYNGTS_1903

Structurei

3D structure databases

ProteinModelPortaliP10549
SMRiP10549
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the PsbO family.Curated

Keywords - Domaini

Signal

Phylogenomic databases

HOGENOMiHOG000232492
InParanoidiP10549
KOiK02716
OMAiGKANDCP
PhylomeDBiP10549

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.

P10549-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MRFRPSIVAL LSVCFGLLTF LYSGSAFAVD KSQLTYDDIV NTGLANVCPE
60 70 80 90 100
ISSFTRGTIE VEPNTKYFVS DFCMEPQEYF VKEEPVNKRQ KAEYVKGKVL
110 120 130 140 150
TRQTTSLEQI RGSIAVGADG TLTFKEKDGI DFQPITVLLP GGEEVPFFFT
160 170 180 190 200
VKNFTGTTEP GFTSINSSTD FVGDFNVPSY RGAGFLDPKA RGLYTGYDNA
210 220 230 240 250
VALPSAADKF RTNKKETPLG KGTLSLQVTQ VDGSTGEIAG IFESEQPSDT
260 270
DLGAKEPLDV KVRGIFYGRV DTDV
Length:274
Mass (Da):29,912
Last modified:July 1, 1989 - v1
Checksum:iDFFC7B5E7D993C11
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X07986 Genomic DNA Translation: CAA30796.1
BA000022 Genomic DNA Translation: BAA18474.1
PIRiS01261

Genome annotation databases

EnsemblBacteriaiBAA18474; BAA18474; BAA18474
KEGGisyn:sll0427

Similar proteinsi

Entry informationi

Entry nameiPSBO_SYNY3
AccessioniPrimary (citable) accession number: P10549
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 1, 1989
Last sequence update: July 1, 1989
Last modified: March 28, 2018
This is version 111 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Direct protein sequencing, Reference proteome
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Main funding by: National Institutes of Health