3LBX Structural Protein date Jan 08, 2010
title Crystal Structure Of The Erythrocyte Spectrin Tetramerizatio Complex
authors J.J.Ipsaro, S.L.Harper, T.E.Messick, R.Marmorstein, A.Mondragon, D.W.Speicher
compound source
Molecule: Spectrin Alpha Chain, Erythrocyte
Chain: A
Synonym: Erythroid Alpha-Spectrin
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Spta, Spta1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgex-2t

Molecule: Spectrin Beta Chain, Erythrocyte
Chain: B
Fragment: Unp Residues 1902-2084
Synonym: Beta-I Spectrin
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Sptb, Sptb1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pgex-2t
symmetry Space Group: I 41
R_factor 0.268 R_Free 0.299
crystal
cell
length a length b length c angle alpha angle beta angle gamma
213.901 213.901 31.461 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.80 Å
Primary referenceCrystal structure and functional interpretation of the erythrocyte spectrin tetramerization domain complex., Ipsaro JJ, Harper SL, Messick TE, Marmorstein R, Mondragon A, Speicher DW, Blood. 2010 Jun 10;115(23):4843-52. Epub 2010 Mar 2. PMID:20197550
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (60 Kb) [Save to disk]
  • Biological Unit Coordinates (3lbx.pdb1.gz) 54 Kb
  • CSU: Contacts of Structural Units for 3LBX
  • Structure Factors (905 Kb)
  • Retrieve 3LBX in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3LBX from S2C, [Save to disk]
  • Re-refined 3lbx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3LBX 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 3LBX
  • 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 3LBX, from MSDmotif at EBI
  • Fold representative 3lbx from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3lbx_B] [3lbx] [3lbx_A]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Alignments of the sequence of 3LBX with the sequences similar proteins can be viewed for 3LBX'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 3LBX
  • Community annotation for 3LBX 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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