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(-) Description

Title :  THREE DIMENSIONAL SOLUTION STRUCTURE OF HAINANTOXIN-I BY 2D 1H-NMR
 
Authors :  D. Li, S. Liang
Date :  29 Dec 02  (Deposition) - 14 Jan 03  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  Inhibitor Cystine Knot Motif, Toxin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  D. Li, Y. Xiao, W. Hu, J. Xie, F. Bosmans, J. Tytgat, S. Liang
Function And Solution Structure Of Hainantoxin-I, A Novel Insect Sodium Channel Inhibitor From The Chinese Bird Spider Selenocosmia Hainana.
Febs Lett. V. 555 616 2003
PubMed-ID: 14675784  |  Reference-DOI: 10.1016/S0014-5793(03)01303-6
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - HAINANTOXIN-I
    Chains: A
    Organism Scientific: ORNITHOCTONUS HAINANA
    Organism Taxid: 209901
    Secretion: VENOM

 Structural Features

(-) Chains, Units

  
NMR Structure (20x): 

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
1AC1SOFTWARELEU A:33BINDING SITE FOR RESIDUE NH2 A 34

(-) SS Bonds  (3, 3)

NMR Structure
No.Residues
1A:2 -A:17
2A:9 -A:22
3A:16 -A:29

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 1)

NMR Structure (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HWTX_1PS60021 Huwentoxin-1 family signature.H1A01_HAPHA50-77  1A:2-29
H1A02_HAPHA50-77  1A:2-29
H1A03_HAPHA50-77  1A:2-29

(-) Exons   (0, 0)

(no "Exon" information available for 1NIX)

(-) 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:34
 aligned with H1A01_HAPHA | D2Y1X6 from UniProtKB/Swiss-Prot  Length:83

    Alignment length:34
                                    58        68        78    
           H1A01_HAPHA   49 ECKGFGKSCVPGKNECCSGYACNSRDKWCKVLLG 82
               SCOP domains d1nixa_ A: Hainantoxin-I           SCOP domains
               CATH domains ---------------------------------- CATH domains
               Pfam domains ---------------------------------- Pfam domains
         Sec.struct. author ......eee..........eeee....eeee... Sec.struct. author
                 SAPs(SNPs) ---------------------------------- SAPs(SNPs)
                PROSITE (2) -HWTX_1  PDB: A:2-29         ----- PROSITE (2)
                 Transcript ---------------------------------- Transcript
                  1nix A  1 ECKGFGKSCVPGKNECCSGYACNSRDKWCKVLLx 34
                                    10        20        30   |
                                                            34-NH2


Chain A from PDB  Type:PROTEIN  Length:34
 aligned with H1A02_HAPHA | D2Y1X7 from UniProtKB/Swiss-Prot  Length:83

    Alignment length:34
                                    58        68        78    
           H1A02_HAPHA   49 ECKGFGKSCVPGKNECCSGYACNSRDKWCKVLLG 82
               SCOP domains d1nixa_ A: Hainantoxin-I           SCOP domains
               CATH domains ---------------------------------- CATH domains
               Pfam domains ---------------------------------- Pfam domains
         Sec.struct. author ......eee..........eeee....eeee... Sec.struct. author
                 SAPs(SNPs) ---------------------------------- SAPs(SNPs)
                    PROSITE -HWTX_1  PDB: A:2-29         ----- PROSITE
                 Transcript ---------------------------------- Transcript
                  1nix A  1 ECKGFGKSCVPGKNECCSGYACNSRDKWCKVLLx 34
                                    10        20        30   |
                                                            34-NH2


Chain A from PDB  Type:PROTEIN  Length:34
 aligned with H1A03_HAPHA | D2Y1X8 from UniProtKB/Swiss-Prot  Length:83

    Alignment length:34
                                    58        68        78    
           H1A03_HAPHA   49 ECKGFGKSCVPGKNECCSGYACNSRDKWCKVLLG 82
               SCOP domains d1nixa_ A: Hainantoxin-I           SCOP domains
               CATH domains ---------------------------------- CATH domains
               Pfam domains ---------------------------------- Pfam domains
         Sec.struct. author ......eee..........eeee....eeee... Sec.struct. author
                 SAPs(SNPs) ---------------------------------- SAPs(SNPs)
                PROSITE (2) ---------------------------------- PROSITE (2)
                PROSITE (3) -HWTX_1  PDB: A:2-29         ----- PROSITE (3)
                 Transcript ---------------------------------- Transcript
                  1nix A  1 ECKGFGKSCVPGKNECCSGYACNSRDKWCKVLLx 34
                                    10        20        30   |
                                                            34-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: Small proteins (3458)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (3, 9)

NMR Structure(hide GO term definitions)
Chain A   (H1A01_HAPHA | D2Y1X6)
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.

Chain A   (H1A03_HAPHA | D2Y1X8)
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.

Chain A   (H1A02_HAPHA | D2Y1X7)
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

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

UniProtKB/Swiss-Prot
        H1A03_HAPHA | D2Y1X8: 2mqf 2mxo

(-) Related Entries Specified in the PDB File

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