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(-) Description

Title :  SOLUTION STRUCTURE OF THE CALMODULIN-BINDING DOMAIN OF PLANT CALCIUM-ATPASE ACA2
 
Authors :  M. Jamshidiha, H. Ishida, J. L. Gifford, H. J. Vogel
Date :  21 Apr 13  (Deposition) - 23 Apr 14  (Release) - 23 Apr 14  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
NMR Structure *:  A  (1x)
Keywords :  Aca2, Plant Calmodulin Target, Calmodulin Taget, Calcium-Atpase, Calmodulin-Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Jamshidiha, H. Ishida, J. L. Gifford, H. J. Vogel
Structural Characterization Of The Interactions Between Calmodulin And Three Distinct Plant Calcium-Atpase Pumps
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - CALCIUM-TRANSPORTING ATPASE 2, PLASMA MEMBRANE-TYPE
    Chains: A
    EC Number: 3.6.3.8
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: UNP RESIDUES 20-45
    Gene: ACA2, AT4G37640, F19F18.130
    Organism Common: MOUSE-EAR CRESS,THALE-CRESS
    Organism Scientific: ARABIDOPSIS THALIANA
    Organism Taxid: 3702
    Synonym: CA(2+)-ATPASE ISOFORM 2

 Structural Features

(-) Chains, Units

  1
NMR Structure (20x): 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 2M7E)

(-) Sites  (0, 0)

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(-) SS Bonds  (0, 0)

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(-) Cis Peptide Bonds  (0, 0)

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 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

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(-) 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:26
 aligned with ACA2_ARATH | O81108 from UniProtKB/Swiss-Prot  Length:1014

    Alignment length:26
                                    29        39      
            ACA2_ARATH   20 VLEKWRNLCGVVKNPKRRFRFTANLS 45
               SCOP domains -------------------------- SCOP domains
               CATH domains -------------------------- CATH domains
               Pfam domains -------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhh............. Sec.struct. author
                 SAPs(SNPs) -------------------------- SAPs(SNPs)
                    PROSITE -------------------------- PROSITE
                 Transcript -------------------------- Transcript
                  2m7e A  1 VLEKWRNLCGVVKNPKRRFRFTANLS 26
                                    10        20
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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 2M7E)

(-) CATH Domains  (0, 0)

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(-) Pfam Domains  (0, 0)

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(-) Gene Ontology  (17, 17)

NMR Structure(hide GO term definitions)
Chain A   (ACA2_ARATH | O81108)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0015085    calcium ion transmembrane transporter activity    Enables the transfer of calcium (Ca) ions from one side of a membrane to the other.
    GO:0005388    calcium-transporting ATPase activity    Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + Ca2+(cis) = ADP + phosphate + Ca2+(trans).
    GO:0005516    calmodulin binding    Interacting selectively and non-covalently with calmodulin, a calcium-binding protein with many roles, both in the calcium-bound and calcium-free states.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
biological process
    GO:0070588    calcium ion transmembrane transport    A process in which a calcium ion is transported from one side of a membrane to the other by means of some agent such as a transporter or pore.
    GO:0006816    calcium ion transport    The directed movement of calcium (Ca) ions into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0006811    ion transport    The directed movement of charged atoms or small charged molecules into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
    GO:0005783    endoplasmic reticulum    The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
    GO:0005789    endoplasmic reticulum membrane    The lipid bilayer surrounding the endoplasmic reticulum.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0005887    integral component of plasma membrane    The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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2m73