1Y4B T-To-T(High) quaternary transitions in human hemoglobin: betaW37H deoxy low-salt (10 test sets) date
authors Kavanaugh, J.S., Rogers, P.H., Arnone, A.
compound source
symmetry
R_factor
R_Free 0.23777
crystal
cell
length a length b length c angle alpha angle beta angle gamma
method X-Ray Diffractionresolution 2.10
ligand HEM enzyme
related structures by homologous chain: 1DKE, 1GZX
Gene
Ontology
ChainFunctionProcessComponent
A, C
  • peroxidase activity


  • D, B
  • peroxidase activity


  • Primary referenceCrystallographic Evidence for a New Ensemble of Ligand-Induced Allosteric Transitions in Hemoglobin: The T-to-T(High) Quaternary Transitions(,)., Kavanaugh JS, Rogers PH, Arnone A, Biochemistry 2005 Apr 26;44(16):6101-21. PMID:15835899
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (101 Kb) [Save to disk]
  • Biological Unit Coordinates (1y4b.pdb1.gz) 93 Kb
  • LPC: Ligand-Protein Contacts for 1Y4B
  • CSU: Contacts of Structural Units for 1Y4B
  • Likely Quarternary Molecular Structure file(s) for 1Y4B
  • Structure Factors (270 Kb)
  • Retrieve 1Y4B in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1Y4B from S2C, [Save to disk]
  • Re-refined 1y4b structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1Y4B 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 1Y4B
  • 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
  • 3D motif for 1Y4B, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1y4ba_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1y4bb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1y4bc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1y4bd_, region D [Jmol] [rasmolscript] [script source]
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1y4b_C] [1y4b] [1y4b_A] [1y4b_B] [1y4b_D]
  • SWISS-PROT database: [P69905] [P68871]
  • Belongs to the pore-forming globin (globin) family according to TCDB.
  • Belongs to the pore-forming globin (globin) family according to TCDB.
  • Domain organization of [HBA_HUMAN] [HBB_HUMAN] by SWISSPFAM
  • Other resources with information on 1Y4B
  • Community annotation for 1Y4B 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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