3Q25 Sugar Binding Protein, Protein Fibril date Dec 19, 2010
title Crystal Structure Of Human Alpha-Synuclein (1-19) Fused To M Binding Protein (Mbp)
authors M.Zhao, M.R.Sawaya, D.Cascio, D.Eisenberg
compound source
Molecule: Maltose-Binding Periplasmic Proteinalpha-Synucle Chimeric Protein;
Chain: A
Engineered: Yes
Organism_scientific: Escherichia Coli, Homo Sapiens
Organism_taxid: 562, 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21 (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pmal-C2x
symmetry Space Group: P 43 21 2
R_factor 0.170 R_Free 0.196
crystal
cell
length a length b length c angle alpha angle beta angle gamma
77.470 77.470 172.640 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.90 Å
ligand GOL, MAL, SO4 enzyme
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceStructures of segments of alpha-synuclein fused to maltose-binding protein suggest intermediate states during amyloid formation., Zhao M, Cascio D, Sawaya MR, Eisenberg D, Protein Sci. 2011 Jun;20(6):996-1004. doi: 10.1002/pro.630. Epub 2011 May, 3. PMID:21462277
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (145 Kb) [Save to disk]
  • Biological Unit Coordinates (3q25.pdb1.gz) 140 Kb
  • Biological Unit Coordinates (3q25.pdb2.gz) 277 Kb
  • LPC: Ligand-Protein Contacts for 3Q25
  • CSU: Contacts of Structural Units for 3Q25
  • Structure Factors (306 Kb)
  • Retrieve 3Q25 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3Q25 from S2C, [Save to disk]
  • Re-refined 3q25 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3Q25 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 3Q25
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 3Q25, from MSDmotif at EBI
  • Fold representative 3q25 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3q25] [3q25_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Alignments of the sequence of 3Q25 with the sequences similar proteins can be viewed for 3Q25's classification at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list.
  • A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification at ProtoMap. Click on the Cluster number.
  • Other resources with information on 3Q25
  • Community annotation for 3Q25 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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