1BKR Actin-Binding date Jul 10, 1998
title Calponin Homology (Ch) Domain From Human Beta-Spectrin At 1.1 Angstrom Resolution
authors K.Djinovic Carugo, S.Banuelos, M.Saraste
compound source
Molecule: Spectrin Beta Chain
Chain: A
Fragment: F-Actin Binding Domain Residues 173 - 281
Synonym: Calponin Homology (Ch) Domain
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Cell: Non-Erythrocyte
Cellular_location: Cytoskeletal Protein
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pbat4
symmetry Space Group: P 1 21 1
length a length b length c angle alpha angle beta angle gamma
31.650 53.953 32.354 90.00 105.48 90.00
method X-Ray Diffractionresolution 1.10 Å
note 1BKR is a representative structure
related structures by homologous chain: 1AA2
Primary referenceStructural comparisons of calponin homology domains: implications for actin binding., Banuelos S, Saraste M, Carugo KD, Structure 1998 Nov 15;6(11):1419-31. PMID:9817844
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk]
  • Biological Unit Coordinates (1bkr.pdb1.gz) 45 Kb
  • CSU: Contacts of Structural Units for 1BKR
  • Likely Quarternary Molecular Structure file(s) for 1BKR
  • Structure Factors (318 Kb)
  • Retrieve 1BKR in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1BKR from S2C, [Save to disk]
  • Re-refined 1bkr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1BKR 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 1BKR
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1BKR from the CEP Server.
  • 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 1BKR, from MSDmotif at EBI
  • Genome occurence of 1BKR's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1bkra_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1bkr 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: [1bkr_A] [1bkr]
  • SWISS-PROT database: [Q01082]
  • Domain organization of [SPTB2_HUMAN] by SWISSPFAM
  • Domain found in 1BKR: [CH ] by SMART
  • Other resources with information on 1BKR
  • Community annotation for 1BKR 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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