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(-) Description

Title :  SOLUTION STRUCTURE OF PHOTOSYSTEM I ACCESSORY PROTEIN E FROM THE CYANOBACTERIUM NOSTOC SP. STRAIN PCC 8009
 
Authors :  K. L. Mayer, G. Shen, D. A. Bryant, J. T. J. Lecomte, C. J. Falzone
Date :  29 May 99  (Deposition) - 20 Oct 99  (Release) - 13 Jul 11  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A
NMR Structure *:  A  (1x)
Keywords :  Mainly Beta, Roll, Pleckstrin Topology, Sh3-Like, Electron Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. L. Mayer, G. Shen, D. A. Bryant, J. T. Lecomte, C. J. Falzone
The Solution Structure Of Photosystem I Accessory Protein E From The Cyanobacterium Nostoc Sp. Strain Pcc 8009.
Biochemistry V. 38 13736 1999
PubMed-ID: 10521281  |  Reference-DOI: 10.1021/BI9910373

(-) Compounds

Molecule 1 - PROTEIN (PSAE PROTEIN)
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET3D
    Expression System Taxid: 562
    Fragment: FULL LENGTH
    Mutation: YES
    Organism Scientific: NOSTOC SP.
    Organism Taxid: 29413
    Strain: PCC 8009

 Structural Features

(-) Chains, Units

  1
NMR Structure : A
NMR Structure * (1x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1QP2)

(-) Sites  (0, 0)

(no "Site" information available for 1QP2)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1QP2)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1QP2)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1QP2)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1QP2)

(-) Exons   (0, 0)

(no "Exon" information available for 1QP2)

(-) Sequences/Alignments

NMR Structure
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:70
 aligned with PSAE_NOSS8 | Q9WWP1 from UniProtKB/Swiss-Prot  Length:70

    Alignment length:70
                                    10        20        30        40        50        60        70
            PSAE_NOSS8    1 MVQRGSKVRILRPESYWFQDVGTVASVDQSGIKYPVIVRFEKVNYSGINTNNFAEDELVEVEAPKAKPKK 70
               SCOP domains d1qp2a_ A: Photosystem I accessory protein E (PsaE)                    SCOP domains
               CATH domains 1qp2A00 A:1-77  [code=2.30.30.50, no name defined]                     CATH domains
               Pfam domains -PSI_PsaE-1qp2A01 A:2-69                                      -------- Pfam domains
         Sec.struct. author ......eeee..........eeeeeee........eeee..........eeeehhh.eee.......... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------- Transcript
                  1qp2 A  1 MVQRGSKVRILRPESYWFQDVGTVASVDQSGIKYPVIVRFEKVNYSGINTNNFAEDELVEVEAPKAKPKK 77
                                    10        20        30        40      ||57        67        77
                                                                         47|                      
                                                                          55
   Legend:   → Mismatch (orange background)
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  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

NMR Structure
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 1)

NMR Structure
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (1, 1)

NMR Structure
(-)
Clan: no clan defined [family: PSI_PsaE] (8)

(-) Gene Ontology  (6, 6)

NMR Structure(hide GO term definitions)
Chain A   (PSAE_NOSS8 | Q9WWP1)
biological process
    GO:0015979    photosynthesis    The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide (CO2) using energy obtained from light rather than from the oxidation of chemical compounds.
cellular component
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0009522    photosystem I    A photosystem that contains an iron-sulfur reaction center associated with accessory pigments and electron carriers. In cyanobacteria and chloroplasts, photosystem I functions as a light-dependent plastocyanin-ferredoxin oxidoreductase, transferring electrons from plastocyanin to ferredoxin; in photosynthetic bacteria that have only a single type I photosystem, such as the green sulfur bacteria, electrons can go either to ferredoxin (Fd) -> NAD+ or to menaquinone (MK) -> Cytb/FeS -> Cytc555 -> photosystem I (cyclic photophosphorylation).
    GO:0009538    photosystem I reaction center    A photochemical system containing P700, the chlorophyll a dimer that functions as a primary electron donor. Functioning as a light-dependent plastocyanin-ferredoxin oxidoreductase, it transfers electrons from plastocyanin to ferredoxin.
    GO:0009579    thylakoid    A membranous cellular structure that bears the photosynthetic pigments in plants, algae, and cyanobacteria. In cyanobacteria thylakoids are of various shapes and are attached to, or continuous with, the plasma membrane. In eukaryotes they are flattened, membrane-bounded disk-like structures located in the chloroplasts; in the chloroplasts of higher plants the thylakoids form dense stacks called grana. Isolated thylakoid preparations can carry out photosynthetic electron transport and the associated phosphorylation.
    GO:0042651    thylakoid membrane    The pigmented membrane of any thylakoid.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        PSAE_NOSS8 | Q9WWP1: 1qp3

(-) Related Entries Specified in the PDB File

1qp3 THIS ENTRY CONTAINS THE MINIMIZED AVERAGE STRUCTURE. 20 NMR STRUCTURES CAN BE FOUND IN PROTEIN DATA BANK ENTRY 1QP3