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NMR Structure - model 1

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NMR Structure - model 1 (Jmol Viewer)

NMR Structure - all models (Jmol Viewer)

Description

Title :   DELTA-ATRACOTOXIN-HV1 (VERSUTOXIN) FROM HADRONYCHE VERSUTA, NMR, 20 STRUCTURES

Authors :   J. I. Fletcher, B. E. Chapman, G. F. King

Date :   13 Mar 97 (Deposition) - 28 Jan 98 (Release) - 24 Feb 09 (Revision)

Method :   SOLUTION NMR

Resolution :   NOT APPLICABLE

Chains :   NMR Structure  : A  (20x)

Keywords :   Neurotoxin, Sodium Channel Toxin, Cysteine Knot, Venom (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   J. I. Fletcher, B. E. Chapman, J. P. Mackay, M. E. Howden, G. F. King
The Structure Of Versutoxin (Delta-Atracotoxin-Hv1) Provides Insights Into The Binding Of Site 3 Neurotoxins To The Voltage-Gated Sodium Channel.
Structure V. 5 1525 1997
PubMed-ID: 9384567 | Reference-DOI: 10.1016/S0969-2126(97)00301-8
(for further references see the PDB file header)

Compounds

Molecule 1 - DELTA-ATRACOTOXIN-HV1
	Chains	:	A
	Organism Scientific	:	HADRONYCHE VERSUTA
	Organism Taxid	:	6904
	Secretion	:	VENOM
	Synonym	:	VERSUTOXIN

Structural Features

Chains, Units


NMR Structure (20x)	:

Summary Information (see also Sequences/Alignments below)

Ligands, Modified Residues, Ions (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1VTX)

Sites (0, 0)

(no "Site" information available for 1VTX)

SS Bonds (4, 4)

NMR Structure

No.	Residues
1	A:1	-	A:15
2	A:8	-	A:20
3	A:14	-	A:31
4	A:16	-	A:42

Cis Peptide Bonds (1, 20)

NMR Structure

No.	Model	Residues
1	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20	Cys A:16	-	Pro A:17

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

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

PROSITE Motifs (1, 1)

NMR Structure (1, 1)

	PROSITE			UniProtKB		PDB
No.	ID	AC	Description	ID	Location	Count	Location
1	DELTA_ACTX	PS60018	Delta-atracotoxin (ACTX) family signature.	TXDT1_HADVE	1-42	1	A:1-42

Exons (0, 0)

(no "Exon" information available for 1VTX)

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
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Chain A from PDB  Type:PROTEIN  Length:42
 aligned with TXDT1_HADVE | P13494 from UniProtKB/Swiss-Prot  Length:42

    Alignment length:42
                                    10        20        30        40  
           TXDT1_HADVE    1 CAKKRNWCGKTEDCCCPMKCVYAWYNEQGSCQSTISALWKKC 42
               SCOP domains d1vtxa_ A: Atracotoxin-hvI (versutoxin)    SCOP domains
               CATH domains 1vtxA00 A:1-42                             CATH domains
               Pfam domains Atracotoxin-1vtxA01 A:1-42                 Pfam domains
         Sec.struct. author .....ee..........eeee........eeee.hhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------ SAPs(SNPs)
                    PROSITE DELTA_ACTX  PDB: A:1-42 UniProt: 1-42      PROSITE
                 Transcript ------------------------------------------ Transcript
                  1vtx A  1 CAKKRNWCGKTEDCCCPMKCVYAWYNEQGSCQSTISALWKKC 42
                                    10        20        30        40

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 (1, 1)

NMR Structure

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: Small proteins (3458)

Fold: Knottins (small inhibitors, toxins, lectins) (761)

Superfamily: omega toxin-like (74)

Family: Spider toxins (43)

Protein domain: Atracotoxin-hvI (versutoxin) (3)

Australian funnel-web spider (Hadronyche versuta) [TaxId: 6904] (3)

d1vtxa_

CATH Domains (1, 1)

NMR Structure

Classes(

)

Architectures( (-)

)

Topologies( (-)

)

Homologous Superfamilies( (-)

)

Organisms( (-)

)

Class: Few Secondary Structures (1120)

Architecture: Irregular (1120)

Topology: Omega-AgatoxinV (16)

Homologous Superfamily: [code=4.10.40.10, no name defined] (10)

Hadronyche versuta. Organism_taxid: 6904. (1)

1vtxA00

A:1-42

Pfam Domains (1, 1)

NMR Structure

Clans(

)

Families(

)

Organisms( (-)

)

Clan: no clan defined [family: Atracotoxin] (3)

Family: Atracotoxin (3)

Hadronyche versuta (Blue mountains funnel-web spider) (Atrax versutus) (1)

Atracotoxin-1vtxA01

A:1-42

Gene Ontology (3, 3)

NMR Structure(hide GO term definitions)

Chain A (TXDT1_HADVE | P13494)

molecular function
	GO:0019871	sodium channel inhibitor activity	Stops, prevents, or reduces the activity of a sodium 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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	Ligands, Modified Residues, Ions
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	Sites
(no "Sites" information available for 1vtx)

	Cis Peptide Bonds
		Cys A:16 - Pro A:17	[ RasMol ]

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Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (0, 0)

Sites (0, 0)

SS Bonds (4, 4)

Cis Peptide Bonds (1, 20)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (1, 1)

Exons (0, 0)

Sequences/Alignments

Classification and Annotation

SCOP Domains (1, 1)

CATH Domains (1, 1)

Pfam Domains (1, 1)

Gene Ontology (3, 3)

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Related Entries

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