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Protein

Photosystem II reaction center protein Z

Gene

psbZ

Organism
Thermosynechococcus elongatus (strain BP-1)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Controls the interaction of photosystem II (PSII) cores with the light-harvesting antenna. May also aid in binding of PsbK, Ycf12 and the oxygen-evolving complex to PSII, at least in vitro. PSII is a light-driven water plastoquinone oxidoreductase, using light energy to abstract electrons from H2O, generating a proton gradient subsequently used for ATP formation.UniRule annotation4 Publications

Cofactori

Note: PSII binds multiple chlorophylls, carotenoids and specific lipids.11 Publications

GO - Biological processi

Keywordsi

Biological processPhotosynthesis

Enzyme and pathway databases

BioCyciTELO197221:G1G3I-2000-MONOMER

Names & Taxonomyi

Protein namesi
Recommended name:
Photosystem II reaction center protein ZUniRule annotation
Short name:
PSII-ZUniRule annotation
Gene namesi
Name:psbZUniRule annotation
Ordered Locus Names:tsr1967
OrganismiThermosynechococcus elongatus (strain BP-1)
Taxonomic identifieri197221 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaSynechococcalesSynechococcaceaeThermosynechococcus
Proteomesi
  • UP000000440 Componenti: Chromosome

Subcellular locationi

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Topological domaini1 – 10Lumenal10
Transmembranei11 – 24HelicalUniRule annotation1 PublicationAdd BLAST14
Topological domaini25 – 38Cytoplasmic1 PublicationAdd BLAST14
Transmembranei39 – 53HelicalUniRule annotation1 PublicationAdd BLAST15
Topological domaini54 – 62Lumenal1 Publication9

GO - Cellular componenti

Keywords - Cellular componenti

Membrane, Photosystem II, Reaction center, Thylakoid

Pathology & Biotechi

Disruption phenotypei

Cells grow normally under all light regimes tested; it is dispensable for photoautotrophic growth. The deletion strain is more tolerant to photoinhibition, while isolated PSII complex contains less PsbK and Ycf12 than wild-type and also has reduced oxygen-evolving capacity.1 Publication

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00002177331 – 62Photosystem II reaction center protein ZAdd BLAST62

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei1N-formylmethionine2 Publications1

Keywords - PTMi

Formylation

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, 3 peripheral proteins PsbO, PsbU, PsbV and a large number of cofactors. It forms dimeric complexes.11 Publications

Protein-protein interaction databases

DIPiDIP-48504N
IntActiQ8DHJ2, 1 interactor
STRINGi197221.tsr1967

Structurei

Secondary structure

162
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Helixi2 – 28Combined sources27
Beta strandi29 – 31Combined sources3
Helixi33 – 57Combined sources25
Helixi58 – 60Combined sources3

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1S5LX-ray3.50Z/z1-62[»]
2AXTX-ray3.00Z/z1-62[»]
3KZIX-ray3.60Z1-62[»]
4FBYX-ray6.56Z/l1-62[»]
4IXQX-ray5.70Z/z1-62[»]
4IXRX-ray5.90Z/z1-62[»]
4PBUX-ray5.00Z/z1-62[»]
4PJ0X-ray2.44Z/z1-62[»]
4RVYX-ray5.50Z/z1-62[»]
4TNHX-ray4.90Z/z1-62[»]
4TNIX-ray4.60Z/z1-62[»]
4TNJX-ray4.50Z/z1-62[»]
4TNKX-ray5.20Z/z1-62[»]
4V62X-ray2.90AZ/BZ1-62[»]
4V82X-ray3.20AZ/BZ1-62[»]
5E79X-ray3.50Z/z1-62[»]
5E7CX-ray4.50Z/z1-62[»]
5H2FX-ray2.20Z/z1-62[»]
5KAFX-ray3.00Z/z1-62[»]
5KAIX-ray2.80Z/z1-62[»]
5MX2X-ray2.20Z/z1-62[»]
5TISX-ray2.25Z/z1-62[»]
ProteinModelPortaliQ8DHJ2
SMRiQ8DHJ2
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiQ8DHJ2

Family & Domainsi

Sequence similaritiesi

Belongs to the PsbZ family.UniRule annotation

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiENOG4105ZDH Bacteria
ENOG4112722 LUCA
HOGENOMiHOG000264225
KOiK02724
OMAiQNWDQSK
OrthoDBiPOG091H14QX

Family and domain databases

Gene3Di1.10.287.740, 1 hit
HAMAPiMF_00644 PSII_PsbZ, 1 hit
InterProiView protein in InterPro
IPR002644 PSII_PsbZ
IPR036512 PSII_PsbZ_sf
PANTHERiPTHR34971 PTHR34971, 1 hit
PfamiView protein in Pfam
PF01737 Ycf9, 1 hit
ProDomiView protein in ProDom or Entries sharing at least one domain
PD004770 PSII_PsbZ, 1 hit
SUPFAMiSSF161055 SSF161055, 1 hit
TIGRFAMsiTIGR03043 PS_II_psbZ, 1 hit

Sequencei

Sequence statusi: Complete.

Q8DHJ2-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MTILFQLALA ALVILSFVMV IGVPVAYASP QDWDRSKQLI FLGSGLWIAL
60
VLVVGVLNFF VV
Length:62
Mass (Da):6,764
Last modified:March 1, 2003 - v1
Checksum:i313A629F73715DD8
GO

Mass spectrometryi

Molecular mass is 6798±5 Da from positions 1 - 62. Determined by MALDI. 1 Publication
Molecular mass is 6793 Da from positions 1 - 62. Determined by MALDI. 1 Publication

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
BA000039 Genomic DNA Translation: BAC09519.1
RefSeqiNP_682757.1, NC_004113.1
WP_011057802.1, NC_004113.1

Genome annotation databases

EnsemblBacteriaiBAC09519; BAC09519; BAC09519
GeneIDi1010256
KEGGitel:tsr1967
PATRICifig|197221.4.peg.2057

Similar proteinsi

Entry informationi

Entry nameiPSBZ_THEEB
AccessioniPrimary (citable) accession number: Q8DHJ2
Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 30, 2003
Last sequence update: March 1, 2003
Last modified: April 25, 2018
This is version 105 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

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

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