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(-) Description

Title :  CRYSTAL STRUCTURE OF ESCHERICHIA COLI CYAY PROTEIN REVEALS A NOVEL FOLD FOR THE FRATAXIN FAMILY
 
Authors :  S. W. Suh, S. Cho, M. G. Lee, J. K. Yang, J. Y. Lee, H. K. Song
Date :  22 Apr 00  (Deposition) - 09 Aug 00  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.40
Chains :  Asym./Biol. Unit :  A
Keywords :  Friedreich Ataxia, Frataxin Family, Cyay, Iron Homeostasis, Unknown Function (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. J. Cho, M. G. Lee, J. K. Yang, J. Y. Lee, H. K. Song, S. W. Suh
Crystal Structure Of Escherichia Coli Cyay Protein Reveals A Previously Unidentified Fold For The Evolutionarily Conserved Frataxin Family.
Proc. Natl. Acad. Sci. Usa V. 97 8932 2000
PubMed-ID: 10908679  |  Reference-DOI: 10.1073/PNAS.160270897
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CYAY PROTEIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET22B-CYAY
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1EW4)

(-) Sites  (0, 0)

(no "Site" information available for 1EW4)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1EW4)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1EW4)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1EW4)

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1FRATAXIN_2PS50810 Frataxin family profile.CYAY_ECOLI1-103  1A:1-103
2FRATAXIN_1PS01344 Frataxin family signature.CYAY_ECOLI50-64  1A:50-64

(-) Exons   (0, 0)

(no "Exon" information available for 1EW4)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   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:106
 aligned with CYAY_ECOLI | P27838 from UniProtKB/Swiss-Prot  Length:106

    Alignment length:106
                                    10        20        30        40        50        60        70        80        90       100      
           CYAY_ECOLI     1 MNDSEFHRLADQLWLTIEERLDDWDGDSDIDCEINGGVLTITFENGSKIIINRQEPLHQVWLATKQGGYHFDLKGDEWICDRSGETFWDLLEQAATQQAGETVSFR 106
               SCOP domains d1ew4a_ A: CyaY                                                                                            SCOP domains
               CATH domains 1ew4A00 A:1-106 Metal Transport, Frataxin; Chain A                                                         CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhh.......eeeee..eeeee.....eeeeeee....eeeee....eeeeeee..eeee.....hhhhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) FRATAXIN_2  PDB: A:1-103 UniProt: 1-103                                                                --- PROSITE (1)
                PROSITE (2) -------------------------------------------------FRATAXIN_1     ------------------------------------------ PROSITE (2)
                 Transcript ---------------------------------------------------------------------------------------------------------- Transcript
                 1ew4 A   1 MNDSEFHRLADQLWLTIEERLDDWDGDSDIDCEINGGVLTITFENGSKIIINRQEPLHQVWLATKQGGYHFDLKGDEWICDRSGETFWDLLEQAATQQAGETVSFR 106
                                    10        20        30        40        50        60        70        80        90       100
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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)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1EW4)

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (CYAY_ECOLI | P27838)
molecular function
    GO:0008199    ferric iron binding    Interacting selectively and non-covalently with ferric iron, Fe(III).
    GO:0008198    ferrous iron binding    Interacting selectively and non-covalently with ferrous iron, Fe(II).
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
    GO:0016226    iron-sulfur cluster assembly    The incorporation of iron and exogenous sulfur into a metallo-sulfur cluster.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

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  1ew4
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 Related Entries

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

UniProtKB/Swiss-Prot
        CYAY_ECOLI | P27838: 1soy 2eff 2p1x

(-) Related Entries Specified in the PDB File

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