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(-) Description

Title :  VOLTAGE-GATED PROTON CHANNEL: VSOP/HV1 CHIMERIC CHANNEL
 
Authors :  K. Takeshita, S. Sakata, E. Yamashita, Y. Fujiwara, A. Kawanabe, T. Kur Y. Okochi, M. Matsuda, H. Narita, Y. Okamura, A. Nakagawa
Date :  31 Oct 13  (Deposition) - 05 Mar 14  (Release) - 05 Mar 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.45
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  A  (3x)
Keywords :  Transmembrane Helix/Helix/Membrane Protein, Proton Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  K. Takeshita, S. Sakata, E. Yamashita, Y. Fujiwara, A. Kawanabe, T. Kurokawa, Y. Okochi, M. Matsuda, H. Narita, Y. Okamura, A. Nakagawa
X-Ray Crystal Structure Of Voltage-Gated Proton Channel
Nat. Struct. Mol. Biol. 2014
PubMed: search  |  Reference-DOI: 10.1038/NSMB.2783

(-) Compounds

Molecule 1 - ION CHANNEL
    ChainsA
    EngineeredYES
    Expression SystemSPODOPTERA FRUGIPERDA
    Expression System CommonFALL ARMYWORM
    Expression System PlasmidPFASTBAC-1
    Expression System StrainSF9
    Expression System Taxid7108
    Expression System Vector TypeBACULOVIRUS
    Organism CommonMOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit A
Biological Unit 1 (1x)A
Biological Unit 2 (3x)A

Summary Information (see also Sequences/Alignments below)

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

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(-) Sites  (0, 0)

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(-) SS Bonds  (0, 0)

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(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Ala A:239 -Arg A:240

 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

Asymmetric 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    
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SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:PROTEIN  Length:140
 aligned with HVCN1_MOUSE | Q3U2S8 from UniProtKB/Swiss-Prot  Length:269

    Alignment length:172
                                    93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253  
          HVCN1_MOUSE    84 FRSRLRKLFSSHRFQVIIICLVVLDALLVLAELLLDLKIIEPDEQDYAVTAFHYMSFAILVFFMLEIFFKIFVFRLEFFHHKFEILDAFVVVVSFVLDLVLLFKSHHFEALGLLILLRLWRVARIINGIIISVKTRSERQILRLKQINIQLATKIQHLEFSCSEKEQEIERL 255
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhh..-.hhhhhhhhhhhhhhhhhhhhhhhhhh----------.hhhhhhhhhhhhhhhhhhhhhhhh..---.hhhhhhhhhhhhhhhhhhhhhhh.----.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh-------hhhhhhhhhhh-------h.... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3wkv A  84 FRSRLRKLFS-HRFQVIIICLVVLDALLVLAELLLDLK----------VTAFHYMSFAILVFFMLDLGLRIFAYG---FTNPWEVADGLIVVVSFVLDLVLLF----FEALGLLILLRLWRVARIINGIIISRMKQLEDKIE-------ELLSKIYHLEN-------EIARL 241
                                    93 |     103       113       | -       133       143       153    |  163       173       183  |    193       203       213       223 |     226       236       239  
                                    93 |                       121        132                       158 162                     186  191                               225     226       236     237    
                                      95                                                                                                                                                                

   Legend:   → Mismatch (orange background)
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

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(-) CATH Domains  (0, 0)

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(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3WKV)

(-) Gene Ontology  (17, 17)

Asymmetric Unit(hide GO term definitions)
Chain A   (HVCN1_MOUSE | Q3U2S8)
molecular function
    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: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:0030171    voltage-gated proton channel activity    Enables the transmembrane transfer of a proton 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:0071467    cellular response to pH    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a pH stimulus. pH is a measure of the acidity or basicity of an aqueous solution.
    GO:0071294    cellular response to zinc ion    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a zinc ion stimulus.
    GO:0034220    ion transmembrane transport    A process in which an ion is transported from one side of a membrane to the other 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:0015992    proton transport    The directed movement of protons (hydrogen ions) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    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:0009268    response to pH    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a pH stimulus. pH is a measure of the acidity or basicity of an aqueous solution.
    GO:0010043    response to zinc ion    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a zinc ion stimulus.
    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: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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 Related Entries

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

UniProtKB/Swiss-Prot
        HVCN1_MOUSE | Q3U2S83vmx 3vmy 3vmz 3vn0 3vyi

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