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(-) Description

Title :  SOLUTION STRUCTURE OF PROTOXIN-1
 
Authors :  N. Daly
Date :  13 Jun 13  (Deposition) - 30 Apr 14  (Release) - 30 Apr 14  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
NMR Structure *:  A  (1x)
Keywords :  Beta Hairpin, Toxin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. Gui, B. Liu, G. Cao, A. M. Lipchik, M. Perez, Z. Dekan, M. Mobli, N. L. Daly, P. F. Alewood, L. L. Parker, G. F. King, Y. Zhou, S. E. Jordt, M. N. Nitabach
A Tarantula-Venom Peptide Antagonizes The Trpa1 Nociceptor Ion Channel By Binding To The S1-S4 Gating Domain.
Curr. Biol. V. 24 473 2014
PubMed-ID: 24530065  |  Reference-DOI: 10.1016/J.CUB.2014.01.013

(-) Compounds

Molecule 1 - BETA-THERAPHOTOXIN-TP1A
    Chains: A
    Engineered: YES
    Organism Common: GREEN VELVET
    Organism Scientific: THRIXOPELMA PRURIENS
    Organism Taxid: 213387
    Synonym: BETA-TRTX-TP1A, PROTOXIN-1, PROTX-1, PROTX-I, PROTX1
    Synthetic: YES

 Structural Features

(-) Chains, Units

  1
NMR Structure (20x): 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 2M9L)

(-) Sites  (0, 0)

(no "Site" information available for 2M9L)

(-) SS Bonds  (3, 3)

NMR Structure
No.Residues
1A:2 -A:16
2A:9 -A:21
3A:15 -A:28

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2M9L)

 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

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:35
 aligned with TXPR1_THRPR | P83480 from UniProtKB/Swiss-Prot  Length:35

    Alignment length:35
                                    10        20        30     
           TXPR1_THRPR    1 ECRYWLGGCSAGQTCCKHLVCSRRHGWCVWDGTFS 35
               SCOP domains ----------------------------------- SCOP domains
               CATH domains ----------------------------------- CATH domains
               Pfam domains ----------------------------------- Pfam domains
         Sec.struct. author ..................eeee....eeee..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------- PROSITE
                 Transcript ----------------------------------- Transcript
                  2m9l A  1 ECRYWLGGCSAGQTCCKHLVCSRRHGWCVWDGTFS 35
                                    10        20        30
   Legend:   → Mismatch (orange background)
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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  (0, 0)

(no "SCOP Domain" information available for 2M9L)

(-) CATH Domains  (0, 0)

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(-) Pfam Domains  (0, 0)

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(-) Gene Ontology  (3, 3)

NMR Structure(hide GO term definitions)
Chain A   (TXPR1_THRPR | P83480)
molecular function
    GO:0008200    ion channel inhibitor activity    Stops, prevents, or reduces the activity of an ion channel.
biological process
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
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.

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 Related Entries

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2m9o