1B68 Lipid Transport date Jan 21, 1999
title Apolipoprotein E4 (Apoe4), 22k Fragment
authors B.Rupp, C.Peters-Libeu
compound source
Molecule: Apolipoprotein E
Chain: A
Fragment: 22k Fragment, Isoform E4, Receptor Binding Domain, Residues 1-191;
Synonym: Apoe4
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_plasmid: Pet
symmetry Space Group: P 21 21 21
R_factor 0.200 R_Free 0.255
crystal
cell
length a length b length c angle alpha angle beta angle gamma
40.210 53.210 84.760 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
related structures by homologous chain: 1EA8, 1NFO
Primary referenceInteraction of the N-terminal domain of apolipoprotein E4 with heparin., Dong J, Peters-Libeu CA, Weisgraber KH, Segelke BW, Rupp B, Capila I, Hernaiz MJ, LeBrun LA, Linhardt RJ, Biochemistry 2001 Mar 6;40(9):2826-34. PMID:11258893
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (31 Kb) [Save to disk]
  • Biological Unit Coordinates (1b68.pdb1.gz) 27 Kb
  • CSU: Contacts of Structural Units for 1B68
  • Likely Quarternary Molecular Structure file(s) for 1B68
  • Retrieve 1B68 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1B68 from S2C, [Save to disk]
  • View 1B68 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 1B68
  • 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 1B68, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1b68a_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1b68 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: [1b68_A] [1b68]
  • SWISS-PROT database: [P02649]
  • Domain organization of [APOE_HUMAN] by SWISSPFAM
  • Alignments of the sequence of 1B68 with the sequences similar proteins can be viewed for 1B68's classification [APOE_HUMAN] 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 [APOE_HUMAN] at ProtoMap. Click on the Cluster number.
  • Other resources with information on 1B68
  • Community annotation for 1B68 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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