1AA2 Cytoskeleton date Jan 21, 1997
title Calponin Homology (Ch) Domain From Human Beta-Spectrin
authors K.Djinovic Carugo, S.Banuelos, M.Saraste
compound source
Molecule: Beta-Spectrin
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
Organelle: Non-Erythrocyte
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Bacterium
Expression_system_vector: Escherichia Coli
Expression_system_plasmid: Pbat4
symmetry Space Group: P 1 21 1
R_factor
R_Free 0.210
crystal
cell
length a length b length c angle alpha angle beta angle gamma
31.471 53.685 32.197 90.00 106.25 90.00
method X-Ray Diffractionresolution 2.00 Å
related structures by homologous chain: 1BKR
Primary referenceCrystal structure of a calponin homology domain., Carugo KD, Banuelos S, Saraste M, Nat Struct Biol 1997 Mar;4(3):175-9. PMID:9164454
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (25 Kb) [Save to disk]
  • Biological Unit Coordinates (1aa2.pdb1.gz) 21 Kb
  • CSU: Contacts of Structural Units for 1AA2
  • Likely Quarternary Molecular Structure file(s) for 1AA2
  • Structure Factors (64 Kb)
  • Retrieve 1AA2 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1AA2 from S2C, [Save to disk]
  • Re-refined 1aa2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1AA2 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 1AA2
  • 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 1AA2, from MSDmotif at EBI
  • Genome occurence of 1AA2's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1aa2__, region [Jmol] [rasmolscript] [script source]
        - Domain d1d1aa2, region A:2-33,A:80-759 [Jmol] [rasmolscript] [script source]
        - Domain d1i1aa2, region A:5-178 [Jmol] [rasmolscript] [script source]
        - Domain d1c1aa2, region A:52-216 [Jmol] [rasmolscript] [script source]
  • Fold representative 1aa2 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: [1aa2] [1aa2_A]
  • SWISS-PROT database: [Q01082]
  • Domain organization of [SPTB2_HUMAN] by SWISSPFAM
  • Domain found in 1AA2: [CH ] by SMART
  • Alignments of the sequence of 1AA2 with the sequences similar proteins can be viewed for 1AA2's classification [SPTB2_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 [SPTB2_HUMAN] at ProtoMap. Click on the Cluster number.
  • Other resources with information on 1AA2
  • Community annotation for 1AA2 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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