2A3X Metal Binding Protein date Jun 27, 2005
title Decameric Crystal Structure Of Human Serum Amyloid P-Compone To Bis-1,2-{[(Z)-2carboxy- 2-Methyl-1,3-Dioxane]- 5-Yloxyca Piperazine
authors J.G.Ho, P.I.Kitov, E.Paszkiewicz, J.Sadowska, D.R.Bundle, K.K.Ng
compound source
Molecule: Serum Amyloid P-Component
Chain: A, B, C, D, E, F, G, H, I, J
Synonym: Sap, 9.5s Alpha-1-Glycoprotein
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
symmetry Space Group: P 1 21 1
R_factor 0.228 R_Free 0.282
crystal
cell
length a length b length c angle alpha angle beta angle gamma
77.861 95.054 164.257 90.00 98.74 90.00
method X-Ray Diffractionresolution 3.00 Å
ligand CA, CPK enzyme
Gene
Ontology
ChainFunctionProcessComponent
F, A, J, E, B, H, C, D, I, G
  • negative regulation of monoc...

  • Primary referenceLigand-assisted Aggregation of Proteins: DIMERIZATION OF SERUM AMYLOID P COMPONENT BY BIVALENT LIGANDS., Ho JG, Kitov PI, Paszkiewicz E, Sadowska J, Bundle DR, Ng KK, J Biol Chem 2005 Sep 9;280(36):31999-2008. Epub 2005 Jul 20. PMID:16036920
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (333 Kb) [Save to disk]
  • Biological Unit Coordinates (2a3x.pdb1.gz) 322 Kb
  • LPC: Ligand-Protein Contacts for 2A3X
  • CSU: Contacts of Structural Units for 2A3X
  • Likely Quarternary Molecular Structure file(s) for 2A3X
  • Structure Factors (277 Kb)
  • Retrieve 2A3X in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2A3X from S2C, [Save to disk]
  • Re-refined 2a3x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2A3X 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 2A3X
  • 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 2A3X, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2a3x_E] [2a3x_G] [2a3x_J] [2a3x_H] [2a3x_C] [2a3x_D] [2a3x_A] [2a3x] [2a3x_I] [2a3x_F] [2a3x_B]
  • SWISS-PROT database: [P02743]
  • Belongs to the pentraxin (pentraxin) family according to TCDB.
  • Domain organization of [SAMP_HUMAN] by SWISSPFAM
  • Domain found in 2A3X: [PTX ] by SMART
  • Other resources with information on 2A3X
  • Community annotation for 2A3X 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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