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(-) Description

Title :  NMR SOLUTION STRUCTURE OF RECOMBINANT TAMAPIN
 
Authors :  F. Del Rio-Portilla, B. Ramirez-Cordero
Date :  08 Jun 12  (Deposition) - 11 Dec 13  (Release) - 02 Jul 14  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (18x)
NMR Structure *:  A  (1x)
Keywords :  Cs Alpha Beta, Toxin (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  B. Ramirez-Cordero, Y. Toledano, P. Cano-Sanchez, R. Hernandez-Lopez, D. Flores-Solis, A. L. Saucedo-Yanez, I. Chavez-Uribe, L. G. Brieba, F. Del Rio-Portilla
Cytotoxicity Of Recombinant Tamapin And Related Toxin-Like Peptides On Model Cell Lines.
Chem. Res. Toxicol. V. 27 960 2014
PubMed-ID: 24821061  |  Reference-DOI: 10.1021/TX4004193

(-) Compounds

Molecule 1 - POTASSIUM CHANNEL TOXIN ALPHA-KTX 5.4
    ChainsA
    EngineeredYES
    Organism CommonEASTERN INDIAN SCORPION
    Organism ScientificMESOBUTHUS TAMULUS
    Organism Taxid34647
    SynonymTAMAPIN

 Structural Features

(-) Chains, Units

  1
NMR Structure (18x)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 2LU9)

(-) Sites  (0, 0)

(no "Site" information available for 2LU9)

(-) SS Bonds  (3, 3)

NMR Structure
No.Residues
1A:3 -A:21
2A:8 -A:26
3A:12 -A:28

(-) Cis Peptide Bonds  (2, 2)

NMR Structure
No.ModelResidues
11Pro A:30 -Tyr A:31
216Ala A:1 -Phe A:2

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2LU9)

(-) PROSITE Motifs  (1, 1)

NMR Structure (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SCORP_SHORT_TOXINPS01138 Scorpion short toxins signature.KAX54_MESTA8-28  1A:8-28
NMR Structure * (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SCORP_SHORT_TOXINPS01138 Scorpion short toxins signature.KAX54_MESTA8-28  1A:8-28

(-) Exons   (0, 0)

(no "Exon" information available for 2LU9)

(-) 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:31
 aligned with KAX54_MESTA | P59869 from UniProtKB/Swiss-Prot  Length:31

    Alignment length:31
                                    10        20        30 
           KAX54_MESTA    1 AFCNLRRCELSCRSLGLLGKCIGEECKCVPY 31
               SCOP domains ------------------------------- SCOP domains
               CATH domains ------------------------------- CATH domains
               Pfam domains ------------------------------- Pfam domains
         Sec.struct. author .......hhhhhhhhh.eeee....eeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------- SAPs(SNPs)
                    PROSITE -------SCORP_SHORT_TOXIN    --- PROSITE
                 Transcript ------------------------------- Transcript
                  2lu9 A  1 AFCNLRRCELSCRSLGLLGKCIGEECKCVPY 31
                                    10        20        30 

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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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 2LU9)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2LU9)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2LU9)

(-) Gene Ontology  (4, 4)

NMR Structure(hide GO term definitions)
Chain A   (KAX54_MESTA | P59869)
molecular function
    GO:0008200    ion channel inhibitor activity    Stops, prevents, or reduces the activity of an ion channel.
biological process
    GO:0006952    defense response    Reactions, triggered in response to the presence of a foreign body or the occurrence of an injury, which result in restriction of damage to the organism attacked or prevention/recovery from the infection caused by the attack.
    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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  Ligands, Modified Residues, Ions
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  Sites
(no "Sites" information available for 2lu9)
 
  Cis Peptide Bonds
    Ala A:1 - Phe A:2   [ RasMol ]  
    Pro A:30 - Tyr A:31   [ RasMol ]  
 

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 Related Entries

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

UniProtKB/Swiss-Prot
        KAX54_MESTA | P598692cf1 2ky3 2me7 2mel 2men 2meo

(-) Related Entries Specified in the PDB File

2lu8