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(-) Description

Title :  SOLUTION STRUCTURE OF THE BETA-E-DOMAIN OF WHEAT EC-1 METALLOTHIONEIN
 
Authors :  E. A. Peroza, R. Schmucki, P. Guntert, E. Freisinger, O. Zerbe
Date :  06 Nov 08  (Deposition) - 05 May 09  (Release) - 05 May 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  Nmr, Metallothionein, Solution Structure, Wheat Ec-1, Zn Binding, Metal-Binding, Metal-Thiolate Cluster, Zinc, Metal Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  E. A. Peroza, R. Schmucki, P. Guntert, E. Freisinger, O. Zerbe
The Beta(E)-Domain Of Wheat E(C)-1 Metallothionein: A Metal-Binding Domain With A Distinctive Structure.
J. Mol. Biol. V. 387 207 2009
PubMed-ID: 19361445  |  Reference-DOI: 10.1016/J.JMB.2009.01.035
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - EC PROTEIN I/II
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: K12
    Expression System Taxid: 562
    Expression System Variant: BL21(DE3)
    Expression System Vector: PTYB2
    Fragment: UNP RESIDUES 31-81
    Organism Common: CANADIAN HARD WINTER WHEAT,COMMON WHEAT, WHEAT
    Organism Scientific: TRITICUM AESTIVUM
    Organism Taxid: 4565
    Synonym: ZINC METALLOTHIONEIN CLASS II

 Structural Features

(-) Chains, Units

  
NMR Structure (20x): 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 4)

NMR Structure (1, 4)
No.NameCountTypeFull Name
1ZN4Ligand/IonZINC ION

(-) Sites  (4, 4)

NMR Structure (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:33 , HIS A:41 , ALA A:48 , CYS A:49BINDING SITE FOR RESIDUE ZN A 130
2AC2SOFTWARECYS A:36 , CYS A:38 , GLU A:40 , CYS A:42 , CYS A:44 , ALA A:69BINDING SITE FOR RESIDUE ZN A 150
3AC3SOFTWARECYS A:36 , CYS A:38 , CYS A:42 , CYS A:44 , CYS A:71BINDING SITE FOR RESIDUE ZN A 170
4AC4SOFTWARECYS A:36 , CYS A:38 , GLU A:40 , CYS A:42 , CYS A:44 , CYS A:71BINDING SITE FOR RESIDUE ZN A 190

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2KAK)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2KAK)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2KAK)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2KAK)

(-) Exons   (0, 0)

(no "Exon" information available for 2KAK)

(-) 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
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Chain A from PDB  Type:PROTEIN  Length:53
 aligned with EC1_WHEAT | P30569 from UniProtKB/Swiss-Prot  Length:81

    Alignment length:53
                                                                             81  
                                    40        50        60        70        80|  
             EC1_WHEAT   31 GEHTTCGCGEHCGCNPCACGREGTPSGRANRRANCSCGAACNCASCGSATA--  -
               SCOP domains ----------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------- CATH domains
               Pfam domains Metallothio_PEC-2kakA01 A:31-78                 ----- Pfam domains
         Sec.struct. author ..........................................hhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------- Transcript
                  2kak A 31 GEHTTCGCGEHCGCNPCACGREGTPSGRANRRANCSCGAACNCASCGSATAPG 83
                                    40        50        60        70        80
   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  (0, 0)

(no "SCOP Domain" information available for 2KAK)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2KAK)

(-) Pfam Domains  (1, 1)

NMR Structure
(-)
Clan: no clan defined [family: Metallothio_PEC] (3)

(-) Gene Ontology  (2, 2)

NMR Structure(hide GO term definitions)
Chain A   (EC1_WHEAT | P30569)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.

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  2kak
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 Related Entries

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

UniProtKB/Swiss-Prot
        EC1_WHEAT | P30569: 2l61 2l62 2mfp

(-) Related Entries Specified in the PDB File

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