2ECH Blood Coagulation Inhibitor date Apr 13, 1993
title Echistatin-The Refined Structure Of A Disintegrin In Solutio Nmr
authors J.T.Pelton, R.A.Atkinson, V.Saudek
compound source
Molecule: Echistatin
Chain: A
Engineered: Yes
Organism_scientific: Echis Carinatus
Organism_common: Saw-Scaled Viper
Organism_taxid: 40353
methodSolution NMR
ligand NH2 enzyme
related structures by homologous chain: 1L3X, 1RMR
  • toxin activity

  • Primary referenceEchistatin: the refined structure of a disintegrin in solution by 1H NMR and restrained molecular dynamics., Atkinson RA, Saudek V, Pelton JT, Int J Pept Protein Res 1994 Jun;43(6):563-72. PMID:7928087
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (99 Kb) [Save to disk]
  • Biological Unit Coordinates (2ech.pdb1.gz) 13 Kb
  • LPC: Ligand-Protein Contacts for 2ECH
  • CSU: Contacts of Structural Units for 2ECH
  • Experimental data, such as chemical shifts, at BioMagResBank (BMRB)
  • NMR Restraints Grid from BioMagResBank (BMRB)
  • Retrieve 2ECH in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2ECH from S2C, [Save to disk]
  • View 2ECH 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 2ECH
  • 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 2ECH, from MSDmotif at EBI
  • Genome occurence of 2ECH's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d2ech__, region [Jmol] [rasmolscript] [script source]
  • Fold representative 2ech from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2ech_A] [2ech]
  • SWISS-PROT database: [P17347]
  • Domain organization of [DISEA_ECHCA] by SWISSPFAM
  • Domain found in 2ECH: [DISIN ] by SMART
  • Other resources with information on 2ECH
  • Community annotation for 2ECH at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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