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A1E9Z3

- PSBD_AGRST

UniProt

A1E9Z3 - PSBD_AGRST

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Protein
Photosystem II D2 protein
Gene
psbD
Organism
Agrostis stolonifera (Creeping bentgrass)
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

One of the two reaction center proteins of photosystem II (PSII), D2 is needed for assembly of a stable PSII complex By similarity.UniRule annotation

Catalytic activityi

2 H2O + 2 plastoquinone + 4 light = O2 + 2 plastoquinol.UniRule annotation

Cofactori

The psbA/B heterodimer shares a non-heme iron and each subunit also binds two chlorophylls and pheophytin By similarity.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi118 – 1181Magnesium (chlorophyll-a D2, axial ligand; peripheral) By similarity
Metal bindingi215 – 2151Iron; shared with heterodimeric partner By similarity
Binding sitei215 – 2151Plastoquinone QA By similarity
Binding sitei262 – 2621Plastoquinone QA; via amide nitrogen By similarity
Metal bindingi269 – 2691Iron; shared with heterodimeric partner By similarity

GO - Molecular functioni

  1. electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity Source: InterPro
  2. iron ion binding Source: UniProtKB-HAMAP
  3. oxidoreductase activity Source: UniProtKB-KW
Complete GO annotation...

GO - Biological processi

  1. photosynthetic electron transport in photosystem II Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Electron transport, Photosynthesis, Transport

Keywords - Ligandi

Iron, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Photosystem II D2 protein (EC:1.10.3.9)
Short name:
PSII D2 protein
Alternative name(s):
Photosystem Q(A) protein
Gene namesi
Name:psbD
Encoded oniPlastid; Chloroplast
OrganismiAgrostis stolonifera (Creeping bentgrass)
Taxonomic identifieri63632 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaeBEP cladePooideaePoeaeAgrostidinaeAgrostis

Organism-specific databases

GrameneiA1E9Z3.

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei36 – 5621Helical; Reviewed prediction
Add
BLAST
Transmembranei109 – 12921Helical; Reviewed prediction
Add
BLAST
Transmembranei142 – 16423Helical; Reviewed prediction
Add
BLAST
Transmembranei192 – 21827Helical; Reviewed prediction
Add
BLAST
Transmembranei266 – 28621Helical; Reviewed prediction
Add
BLAST

GO - Cellular componenti

  1. chloroplast thylakoid membrane Source: UniProtKB-SubCell
  2. integral component of membrane Source: UniProtKB-KW
  3. photosystem II Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Chloroplast, Membrane, Photosystem II, Plastid, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 353353Photosystem II D2 proteinUniRule annotation
PRO_0000359619Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei2 – 21N-acetylthreonine By similarity
Modified residuei2 – 21Phosphothreonine By similarity

Keywords - PTMi

Acetylation, Phosphoprotein

Proteomic databases

PRIDEiA1E9Z3.

Interactioni

Subunit structurei

The psbA/B heterodimer binds the P680 chlorophylls and subsequent electron acceptors. PSII consists of a core antenna complex that captures photons, and an electron transfer chain that converts photonic excitation into a charge separation. PSII forms dimeric complexes By similarity.

Structurei

3D structure databases

ProteinModelPortaliA1E9Z3.
SMRiA1E9Z3. Positions 1-351.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transmembrane, Transmembrane helix

Family and domain databases

Gene3Di1.20.85.10. 2 hits.
HAMAPiMF_01383. PSII_PsbD_D2.
InterProiIPR000484. Photo_RC_L/M.
IPR005868. PSII_PsbD/D2.
[Graphical view]
PfamiPF00124. Photo_RC. 1 hit.
[Graphical view]
PRINTSiPR00256. REACTNCENTRE.
SUPFAMiSSF81483. SSF81483. 1 hit.
TIGRFAMsiTIGR01152. psbD. 1 hit.
PROSITEiPS00244. REACTION_CENTER. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

A1E9Z3-1 [UniParc]FASTAAdd to Basket

« Hide

MTIALGRVPK EENDLFDTMD DWLRRDRFVF VGWSGLLLFP CAYFALGGWF    50
TGTTFVTSWY THGLASSYLE GCNFLTAAVS TPANSLAHSL LLLWGPEAQG 100
DFTRWCQLGG LWTFVALHGA FALIGFMLRQ FELARSVQLR PYNAISFSGP 150
IAVFVSVFLI YPLGQSGWFF APSFGVAAIF RFILFFQGFH NWTLNPFHMM 200
GVAGVLGAAL LCAIHGATVE NTLFEDGDGA NTFRAFNPTQ AEETYSMVTA 250
NRFWSQIFGV AFSNKRWLHF FMLFVPVTGL WMSAIGVVGL ALNLRAYDFV 300
SQEIRAAEDP EFETFYTKNI LLNEGIRAWM AAQDQPHENL IFPEEVLPRG 350
NAL 353
Length:353
Mass (Da):39,557
Last modified:January 23, 2007 - v1
Checksum:i16B9F6C1C12DC6E7
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
EF115543 Genomic DNA. Translation: ABK79565.1.
RefSeqiYP_874721.1. NC_008591.1.

Genome annotation databases

GeneIDi4524977.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
EF115543 Genomic DNA. Translation: ABK79565.1 .
RefSeqi YP_874721.1. NC_008591.1.

3D structure databases

ProteinModelPortali A1E9Z3.
SMRi A1E9Z3. Positions 1-351.
ModBasei Search...

Proteomic databases

PRIDEi A1E9Z3.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 4524977.

Organism-specific databases

Gramenei A1E9Z3.

Family and domain databases

Gene3Di 1.20.85.10. 2 hits.
HAMAPi MF_01383. PSII_PsbD_D2.
InterProi IPR000484. Photo_RC_L/M.
IPR005868. PSII_PsbD/D2.
[Graphical view ]
Pfami PF00124. Photo_RC. 1 hit.
[Graphical view ]
PRINTSi PR00256. REACTNCENTRE.
SUPFAMi SSF81483. SSF81483. 1 hit.
TIGRFAMsi TIGR01152. psbD. 1 hit.
PROSITEi PS00244. REACTION_CENTER. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Complete chloroplast genome sequences of Hordeum vulgare, Sorghum bicolor and Agrostis stolonifera, and comparative analyses with other grass genomes."
    Saski C., Lee S.-B., Fjellheim S., Guda C., Jansen R.K., Luo H., Tomkins J., Rognli O.A., Daniell H., Clarke J.L.
    Theor. Appl. Genet. 115:571-590(2007) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: cv. Penn A-4.

Entry informationi

Entry nameiPSBD_AGRST
AccessioniPrimary (citable) accession number: A1E9Z3
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 20, 2009
Last sequence update: January 23, 2007
Last modified: May 14, 2014
This is version 48 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Miscellaneous

The peripheral chlorophyll-a D2 molecule has been identified as the spectroscopic species ChlzD2 By similarity.

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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