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(-) Description

Title :  INACTIVATION GATE OF POTASSIUM CHANNEL RAW3, NMR, 8 STRUCTURES
 
Authors :  C. Antz, M. Geyer, B. Fakler, M. Schott, R. Frank, H. R. Guy, J. P. Ruppers H. R. Kalbitzer
Date :  15 Nov 96  (Deposition) - 05 Jun 97  (Release) - 10 Feb 16  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (8x)
NMR Structure *:  A  (1x)
Keywords :  Potassium Channel, Inactivation Gate, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  C. Antz, M. Geyer, B. Fakler, M. K. Schott, H. R. Guy, R. Frank, J. P. Ruppersberg, H. R. Kalbitzer
Nmr Structure Of Inactivation Gates From Mammalian Voltage-Dependent Potassium Channels.
Nature V. 385 272 1997
PubMed-ID: 9000078  |  Reference-DOI: 10.1038/385272A0

(-) Compounds

Molecule 1 - POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY C MEMBER 4
    ChainsA
    EngineeredYES
    FragmentINACTIVATION GATE, N-TERMINAL
    GeneKCNC4
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymKSHIIIC, VOLTAGE-GATED POTASSIUM CHANNEL SUBUNIT KV3.4, POTASSIUM CHANNEL PROTEIN RAW3

 Structural Features

(-) Chains, Units

  1
NMR Structure (8x)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 1ZTN)

(-) Sites  (0, 0)

(no "Site" information available for 1ZTN)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (1, 1)

NMR Structure (1, 1)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1cENST000003697871cENSE00001916922chr1:110754095-110754799705KCNC4_HUMAN1-2262261A:1-3030
1.2bENST000003697872bENSE00000826879chr1:110765586-110766522937KCNC4_HUMAN227-5393130--
1.2eENST000003697872eENSE00001124219chr1:110768597-110768800204KCNC4_HUMAN539-607690--
1.3bENST000003697873bENSE00001450881chr1:110774843-1107766661824KCNC4_HUMAN607-635290--

(-) 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:30
 aligned with KCNC4_HUMAN | Q03721 from UniProtKB/Swiss-Prot  Length:635

    Alignment length:30
                                    10        20        30
           KCNC4_HUMAN    1 MISSVCVSSYRGRKSGNKPPSKTCLKEEMA 30
               SCOP domains d1ztna_ A:                     SCOP domains
               CATH domains ------------------------------ CATH domains
               Pfam domains ------------------------------ Pfam domains
         Sec.struct. author .............................. Sec.struct. author
                 SAPs(SNPs) ------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------ PROSITE
               Transcript 1 Exon 1.1c  PDB: A:1-30         Transcript 1
                  1ztn A  1 MISSVCVSSYRGRKSGNKPPSKTCLKEEMA 30
                                    10        20        30

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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: Peptides (792)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1ZTN)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (20, 20)

NMR Structure(hide GO term definitions)
Chain A   (KCNC4_HUMAN | Q03721)
molecular function
    GO:0005251    delayed rectifier potassium channel activity    Enables the transmembrane transfer of a potassium ion by a delayed rectifying voltage-gated channel. A delayed rectifying current-voltage relation is one where channel activation kinetics are time-dependent, and inactivation is slow.
    GO:0005216    ion channel activity    Enables the facilitated diffusion of an ion (by an energy-independent process) by passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. May be either selective (it enables passage of a specific ion only) or non-selective (it enables passage of two or more ions of same charge but different size).
    GO:0005267    potassium channel activity    Enables the facilitated diffusion of a potassium ion (by an energy-independent process) involving passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism.
    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.
    GO:0005249    voltage-gated potassium channel activity    Enables the transmembrane transfer of a potassium 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.
biological process
    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: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:0071805    potassium ion transmembrane transport    A process in which a potassium ion is transported from one side of a membrane to the other.
    GO:0006813    potassium ion transport    The directed movement of potassium ions (K+) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0051260    protein homooligomerization    The process of creating protein oligomers, compounds composed of a small number, usually between three and ten, of identical component monomers. Oligomers may be formed by the polymerization of a number of monomers or the depolymerization of a large protein polymer.
    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:0046928    regulation of neurotransmitter secretion    Any process that modulates the frequency, rate or extent of the regulated release of a neurotransmitter from a cell.
    GO:0055085    transmembrane transport    The process in which a solute is transported across a lipid bilayer, from one side of a membrane to the other
    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:0043679    axon terminus    Terminal inflated portion of the axon, containing the specialized apparatus necessary to release neurotransmitters. The axon terminus is considered to be the whole region of thickening and the terminal button is a specialized region of it.
    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:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0031594    neuromuscular junction    The junction between the axon of a motor neuron and a muscle fiber. In response to the arrival of action potentials, the presynaptic button releases molecules of neurotransmitters into the synaptic cleft. These diffuse across the cleft and transmit the signal to the postsynaptic membrane of the muscle fiber, leading to a change in post-synaptic potential.
    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:0008076    voltage-gated potassium channel complex    A protein complex that forms a transmembrane channel through which potassium ions may cross a cell membrane in response to changes in membrane potential.

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 Related Entries

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

UniProtKB/Swiss-Prot
        KCNC4_HUMAN | Q037211b4g 1b4i

(-) Related Entries Specified in the PDB File

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