1I25 Toxin date Feb 06, 2001
title Three Dimensional Solution Structure Of Huwentoxin-II By 2d
authors Q.Shu, S.Y.Lu, X.C.Gu, S.P.Liang
compound source
Molecule: Huwentoxin-II
Chain: A
Synonym: Hwtx-II
Organism_scientific: Ornithoctonus Huwena
Organism_common: Chinese Earth Tiger
Organism_taxid: 29017
Organ: Venom Gland
Other_details: Venom
methodSolution NMR

Primary referenceThe structure of spider toxin huwentoxin-II with unique disulfide linkage: evidence for structural evolution., Shu Q, Lu SY, Gu XC, Liang SP, Protein Sci 2002 Feb;11(2):245-52. PMID:11790834
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (101 Kb) [Save to disk]
  • Biological Unit Coordinates (1i25.pdb1.gz) 11 Kb
  • CSU: Contacts of Structural Units for 1I25
  • Original NMR restraints for 1I25 from PDB
  • Experimental data, such as chemical shifts, at BioMagResBank (BMRB)
  • NMR Restraints Grid from BioMagResBank (BMRB)
  • Retrieve 1I25 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1I25 from S2C, [Save to disk]
  • View 1I25 in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1I25
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1I25, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1i25a_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1i25 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1i25] [1i25_A]
  • SWISS-PROT database: [P82959]
  • Domain organization of [TXH21_HAPSC] by SWISSPFAM
  • Other resources with information on 1I25
  • Community annotation for 1I25 at PDBWiki (http://pdbwiki.org)
  • NMR Ensemble (OLDERADO: core, domain and representative structure database)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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