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(-) Description

Title :  SOLUTION STRUCTURE OF THE HUMAN BETA4A-A DOMAIN
 
Authors :  A. C. Vendel, C. D. Rithner, B. A. Lyons, W. A. Horne
Date :  10 Oct 05  (Deposition) - 25 Oct 05  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A
Keywords :  Ca2+ Channel, Beta4A Subunit, Nuclear Magnetic Resonance, Alternative Spliving, Membrane-Associated Guanylate-Kinase, Protein Structure, Metal Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  A. C. Vendel, C. D. Rithner, B. A. Lyons, W. A. Horne
Solution Structure Of The N-Terminal A Domain Of The Human Voltage-Gated Ca2+Channel Beta4A Subunit
Protein Sci. V. 15 378 2006
PubMed-ID: 16385006  |  Reference-DOI: 10.1110/PS.051894506
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CALCIUM CHANNEL, VOLTAGE-DEPENDENT, BETA 4 SUBUNIT ISOFORM A
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21-CODONPLUS(DE3)-RIL
    Expression System Taxid562
    Expression System Vector TypePET-15B
    FragmentN-TERMINAL A DOMAIN
    GeneCACNB4
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymCALCIUM CHANNEL BETA4A SUBUNIT
    TissueHUMAN CEREBELLUM, PRESYNAPTIC

 Structural Features

(-) Chains, Units

  
NMR Structure 

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 2D46)

(-) Sites  (0, 0)

(no "Site" information available for 2D46)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2D46)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2D46)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2D46)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2D46)

(-) Exons   (0, 0)

(no "Exon" information available for 2D46)

(-) 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:61
 aligned with CACB4_HUMAN | O00305 from UniProtKB/Swiss-Prot  Length:520

    Alignment length:79
                                    23        33        43        53        63        73        83         
           CACB4_HUMAN   14 GPHSPTSQVARGTTTRRSRLKRSDGSTTSTSFILRQGSADSYTSRPSDSDVSLEEDREAIRQEREQQAAIQLERAKSKP 92
               SCOP domains ------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhh..-------.....-----------....eeee....eeee........hhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------- Transcript
                  2d46 A  1 GSHMYDNLYLHG-------IEDSE-----------AGSADSYTSRPSDSDVSLEEDREAIRQEREQQAAIQLERAKSKP 61
                                    10 |      13   |     -     |  22        32        42        52         
                                      12      13  17          18                                           

   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 2D46)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2D46)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2D46)

(-) Gene Ontology  (36, 36)

NMR Structure(hide GO term definitions)
Chain A   (CACB4_HUMAN | O00305)
molecular function
    GO:0005262    calcium channel activity    Enables the facilitated diffusion of a calcium ion (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism.
    GO:0008331    high voltage-gated calcium channel activity    Enables the transmembrane transfer of a calcium ion by a high voltage-gated channel. A high voltage-gated channel is a channel whose open state is dependent on high voltage across the membrane in which it is embedded.
    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).
    GO:0019901    protein kinase binding    Interacting selectively and non-covalently with a protein kinase, any enzyme that catalyzes the transfer of a phosphate group, usually from ATP, to a protein substrate.
    GO:0005245    voltage-gated calcium channel activity    Enables the transmembrane transfer of a calcium ion by a voltage-gated channel. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded.
    GO:0005244    voltage-gated ion channel activity    Enables the transmembrane transfer of an ion by a voltage-gated channel. An ion is an atom or group of atoms carrying an electric charge by virtue of having gained or lost one or more electrons. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded.
biological process
    GO:0048541    Peyer's patch development    The process whose specific outcome is the progression of Peyer's patches over time, from their formation to the mature structure. Peyer's patches are typically found as nodules associated with gut epithelium with distinct internal structures including B- and T-zones for the activation of lymphocytes.
    GO:0050852    T cell receptor signaling pathway    A series of molecular signals initiated by the cross-linking of an antigen receptor on a T cell.
    GO:0007628    adult walking behavior    The behavior of an adult relating to the progression of that organism along the ground by the process of lifting and setting down each leg.
    GO:0046058    cAMP metabolic process    The chemical reactions and pathways involving the nucleotide cAMP (cyclic AMP, adenosine 3',5'-cyclophosphate).
    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:0061337    cardiac conduction    Transfer of an organized electrical impulse across the heart to coordinate the contraction of cardiac muscles. The process begins with generation of an action potential (in the sinoatrial node (SA) in humans) and ends with a change in the rate, frequency, or extent of the contraction of the heart muscles.
    GO:0006874    cellular calcium ion homeostasis    Any process involved in the maintenance of an internal steady state of calcium ions at the level of a cell.
    GO:0007268    chemical synaptic transmission    The vesicular release of classical neurotransmitter molecules from a presynapse, across a chemical synapse, the subsequent activation of neurotransmitter receptors at the postsynapse of a target cell (neuron, muscle, or secretory cell) and the effects of this activation on the postsynaptic membrane potential and ionic composition of the postsynaptic cytosol. This process encompasses both spontaneous and evoked release of neurotransmitter and all parts of synaptic vesicle exocytosis. Evoked transmission starts with the arrival of an action potential at the presynapse.
    GO:0050908    detection of light stimulus involved in visual perception    The series of events involved in visual perception in which a light stimulus is received and converted into a molecular signal.
    GO:0014051    gamma-aminobutyric acid secretion    The regulated release of gamma-aminobutyric acid by a cell or a tissue. The gamma-aminobutyric acid is the principal inhibitory neurotransmitter in the brain but is also found in several extraneural tissues.
    GO:0007214    gamma-aminobutyric acid signaling pathway    The series of molecular signals generated by the binding of gamma-aminobutyric acid (GABA, 4-aminobutyrate), an amino acid which acts as a neurotransmitter in some organisms, to a cell surface receptor.
    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:0051899    membrane depolarization    The process in which membrane potential decreases with respect to its steady-state potential, usually from negative potential to a more positive potential. For example, the initial depolarization during the rising phase of an action potential is in the direction from the negative steady-state resting potential towards the positive membrane potential that will be the peak of the action potential.
    GO:0048747    muscle fiber development    The process whose specific outcome is the progression of the muscle fiber over time, from its formation to the mature structure. In skeletal muscle, fibers are formed by the maturation of myotubes. They can be classed as slow, intermediate/fast or fast.
    GO:0050877    nervous system process    A organ system process carried out by any of the organs or tissues of neurological system.
    GO:0007528    neuromuscular junction development    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a neuromuscular junction.
    GO:0019227    neuronal action potential propagation    The propagation of an action potential along an axon, away from the soma.
    GO:0034765    regulation of ion transmembrane transport    Any process that modulates the frequency, rate or extent of the directed movement of ions from one side of a membrane to the other.
    GO:0042391    regulation of membrane potential    Any process that modulates the establishment or extent of a membrane potential, the electric potential existing across any membrane arising from charges in the membrane itself and from the charges present in the media on either side of the membrane.
    GO:1901385    regulation of voltage-gated calcium channel activity    Any process that modulates the frequency, rate or extent of voltage-gated calcium channel activity.
    GO:0048536    spleen development    The process whose specific outcome is the progression of the spleen over time, from its formation to the mature structure. The spleen is a large vascular lymphatic organ composed of white and red pulp, involved both in hemopoietic and immune system functions.
    GO:0035249    synaptic transmission, glutamatergic    The vesicular release of glutamate from a presynapse, across a chemical synapse, the subsequent activation of glutamate receptors at the postsynapse of a target cell (neuron, muscle, or secretory cell) and the effects of this activation on the postsynaptic membrane potential and ionic composition of the postsynaptic cytosol. This process encompasses both spontaneous and evoked release of neurotransmitter and all parts of synaptic vesicle exocytosis. Evoked transmission starts with the arrival of an action potential at the presynapse.
    GO:0048538    thymus development    The process whose specific outcome is the progression of the thymus over time, from its formation to the mature structure. The thymus is a symmetric bi-lobed organ involved primarily in the differentiation of immature to mature T cells, with unique vascular, nervous, epithelial, and lymphoid cell components.
    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:0009898    cytoplasmic side of plasma membrane    The leaflet the plasma membrane that faces the cytoplasm and any proteins embedded or anchored in it or attached to its surface.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    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.
    GO:0045202    synapse    The junction between a nerve fiber of one neuron and another neuron, muscle fiber or glial cell. As the nerve fiber approaches the synapse it enlarges into a specialized structure, the presynaptic nerve ending, which contains mitochondria and synaptic vesicles. At the tip of the nerve ending is the presynaptic membrane; facing it, and separated from it by a minute cleft (the synaptic cleft) is a specialized area of membrane on the receiving cell, known as the postsynaptic membrane. In response to the arrival of nerve impulses, the presynaptic nerve ending secretes molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane.
    GO:0005891    voltage-gated calcium channel complex    A protein complex that forms a transmembrane channel through which calcium ions may pass in response to changes in membrane potential.

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        CACB4_HUMAN | O003051vyv

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