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(-) Description

Title :  SOLUTION STRUCTURE OF CCAP (CRUSTACEAN CARDIOACTIVE PEPTIDE) FROM DROSOPHILA MELANOGASTER
 
Authors :  K. Nagata, M. Tanokura
Date :  30 Nov 04  (Deposition) - 30 Nov 05  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (10x)
Keywords :  Peptide, Disulfide Bond, Neuropeptide (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  K. Nagata, M. Tanokura
Solution Structure Of Ccap (Crustacean Cardioactive Peptide) From Drosophila Melanogaster
To Be Published
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CARDIOACTIVE PEPTIDE
    ChainsA
    EngineeredYES
    Other DetailsTHIS SEQUENCE OCCURS NATURALLY IN FRUIT FLIES.
    SynonymCCAP, CRUSTACEAN CARDIOACTIVE PEPTIDE, CARDIOACCELERATORY PEPTIDE 2A
    SyntheticYES

 Structural Features

(-) Chains, Units

  
NMR Structure (10x)

Summary Information (see also Sequences/Alignments below)

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(-) SS Bonds  (1, 1)

NMR Structure
No.Residues
1A:3 -A:9

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 Sequence-Structure Mapping

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(-) Sequences/Alignments

NMR Structure
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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Chain A from PDB  Type:PROTEIN  Length:9
 aligned with CCAP_DROME | Q9VCW0 from UniProtKB/Swiss-Prot  Length:155

    Alignment length:9
            CCAP_DROME   52 PFCNAFTGC 60
               SCOP domains --------- SCOP domains
               CATH domains --------- CATH domains
               Pfam domains CCAP----- Pfam domains
         Sec.struct. author ......... Sec.struct. author
                 SAPs(SNPs) --------- SAPs(SNPs)
                    PROSITE --------- PROSITE
                 Transcript --------- Transcript
                  1y49 A  1 PFCNAFTGC  9

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 Classification and Annotation

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(-) Pfam Domains  (1, 1)

NMR Structure

(-) Gene Ontology  (7, 7)

NMR Structure(hide GO term definitions)
Chain A   (CCAP_DROME | Q9VCW0)
molecular function
    GO:0005179    hormone activity    The action characteristic of a hormone, any substance formed in very small amounts in one specialized organ or group of cells and carried (sometimes in the bloodstream) to another organ or group of cells in the same organism, upon which it has a specific regulatory action. The term was originally applied to agents with a stimulatory physiological action in vertebrate animals (as opposed to a chalone, which has a depressant action). Usage is now extended to regulatory compounds in lower animals and plants, and to synthetic substances having comparable effects; all bind receptors and trigger some biological process.
    GO:0005184    neuropeptide hormone activity    The action characteristic of a neuropeptide hormone, any peptide hormone that acts in the central nervous system. A neuropeptide is any of several types of molecules found in brain tissue, composed of short chains of amino acids; they include endorphins, enkephalins, vasopressin, and others. They are often localized in axon terminals at synapses and are classified as putative neurotransmitters, although some are also hormones.
    GO:0071855    neuropeptide receptor binding    Interacting selectively and non-covalently with a neuropeptide receptor.
biological process
    GO:0007218    neuropeptide signaling pathway    The series of molecular signals generated as a consequence of a peptide neurotransmitter binding to a cell surface receptor.
    GO:0010460    positive regulation of heart rate    Any process that activates or increases the frequency or rate of heart contraction.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0005615    extracellular space    That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.

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