1G2X Toxin date Oct 22, 2000
title Sequence Induced Trimerization Of Krait Pla2: Crystal Struct Trimeric Form Of Krait Pla2
authors G.Singh, S.Gourinath, S.Sharma, S.Bhanumathi, M.Paramsivam, T.P.S
compound source
Molecule: Phospholipase A2
Chain: A, B, C
Fragment: Residues 28-145
Ec: 3.1.1.4
Organism_scientific: Bungarus Caeruleus
Organism_taxid: 132961
Secretion: Venom
Other_details: Natural Protein-Isoform
symmetry Space Group: C 1 2 1
R_factor 0.198 R_Free 0.262
crystal
cell
length a length b length c angle alpha angle beta angle gamma
80.949 80.572 57.098 90.00 90.35 90.00
method X-Ray Diffractionresolution 2.50 Å
ligand
enzyme Hydrolase E.C.3.1.1.4 BRENDA
related structures by homologous chain: 1TD7, 1ZM6
Gene
Ontology
ChainFunctionProcessComponent
A, C, B
  • toxin activity


  • Primary referenceSequence-induced trimerization of phospholipase A2: structure of a trimeric isoform of PLA2 from common krait (Bungarus caeruleus) at 2.5 A resolution., Singh G, Gourinath S, Saravanan K, Sharma S, Bhanumathi S, Betzel Ch, Srinivasan A, Singh TP, Acta Crystallograph Sect F Struct Biol Cryst Commun. 2005 Jan 1;61(Pt, 1):8-13. Epub 2004 Oct 16. PMID:16508078
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (63 Kb) [Save to disk]
  • Biological Unit Coordinates (1g2x.pdb1.gz) 58 Kb
  • CSU: Contacts of Structural Units for 1G2X
  • Likely Quarternary Molecular Structure file(s) for 1G2X
  • Structure Factors (59 Kb)
  • Retrieve 1G2X in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1G2X from S2C, [Save to disk]
  • Re-refined 1g2x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1G2X 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 1G2X
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1G2X, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1g2xa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1g2xb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1g2xc_, region C [Jmol] [rasmolscript] [script source]
  • 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: [1g2x] [1g2x_A] [1g2x_C] [1g2x_B]
  • SWISS-PROT database: [Q9DF52]
  • Domain organization of [PA2K_BUNCE] by SWISSPFAM
  • Domain found in 1G2X: [PA2c ] by SMART
  • Other resources with information on 1G2X
  • Community annotation for 1G2X 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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