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(-) Description

Title :  MODIFIED PEPTIDE A (D18-A1) OF THE RABBIT SKELETAL DIHYDROPYRIDINE RECEPTOR
 
Authors :  D. Green, S. Pace, M. Sakowska, A. F. Dulhunty, M. G. Casarotto
Date :  17 Sep 01  (Deposition) - 20 Mar 02  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A
Keywords :  Alpha Helical Peptide, Dhpr, D-Isomer, Signaling Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  D. Green, S. Pace, S. M. Curtis, M. Sakowska, G. D. Lamb, A. F. Dulhunty, M. G. Casarotto
The Three-Dimensional Structural Surface Of Two Beta-Sheet Scorpion Toxins Mimics That Of An Alpha-Helical Dihydropyridine Receptor Segment.
Biochem. J. V. 370 517 2003
PubMed-ID: 12429019  |  Reference-DOI: 10.1042/BJ20021488
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - SKELETAL DIHYDROPYDRINE RECEPTOR
    Chains: A
    Engineered: YES
    Fragment: D18-A1
    Mutation: YES
    Other Details: THIS SEQUENCE IS A MODIFICATION OF A SEGMENT OF A PROTEIN THAT OCCURS NATURALLY IN RABBIT SKELETAL MUSCLE.
    Synthetic: YES

 Structural Features

(-) Chains, Units

  
NMR Structure : 

Summary Information (see also Sequences/Alignments below)

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

NMR Structure (1, 1)
No.NameCountTypeFull Name
1NH21Mod. Amino AcidAMINO GROUP

(-) Sites  (1, 1)

NMR Structure (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:19 , LEU A:20BINDING SITE FOR RESIDUE NH2 A 21

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1JZP)

(-) 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:21
 aligned with CAC1S_RABIT | P07293 from UniProtKB/Swiss-Prot  Length:1873

    Alignment length:21
                                   680       690 
          CAC1S_RABIT   671 TSAQKAKAEERKRRKMSRGLP 691
               SCOP domains d1jzpa_ A:            SCOP domains
               CATH domains --------------------- CATH domains
               Pfam domains --------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------- SAPs(SNPs)
                    PROSITE --------------------- PROSITE
                 Transcript --------------------- Transcript
                 1jzp A   1 TSAQKAKAEERKRRKMSRGLx  21
                                    10        20|
                                               21-NH2
   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  (1, 1)

NMR Structure
(-)
Class: Peptides (792)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (15, 18)

NMR Structure(hide GO term definitions)
Chain A   (CAC1S_RABIT | P07293)
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: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:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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: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: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: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: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:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    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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 Related Entries

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

UniProtKB/Swiss-Prot
        CAC1S_RABIT | P07293: 1du1 1t3l 3jbr 5gjv 5gjw

(-) Related Entries Specified in the PDB File

1du1 PEPTIDE FRAGMENT THR671-LEU690 OF THE RABBIT SKELETAL DIHYDROPYRIDINE RECEPTOR