1G4Y Signaling Protein date Jan 07, 2001
title 1.60 A Crystal Structure Of The Gating Domain From Small Con Potassium Channel Complexed With Calcium-Calmodulin
authors M.A.Schumacher, A.Rivard, H.P.Bachinger, J.P.Adelman
compound source
Molecule: Calcium-Activated Potassium Channel Rsk2
Chain: B
Fragment: Calmodulin-Binding Domain
Engineered: Yes
Organism_scientific: Rattus Norvegicus
Organism_common: Norway Rat
Organism_taxid: 10116
Gene: Rat
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet23b

Molecule: Calmodulin
Chain: R
Engineered: Yes

Organism_scientific: Rattus Norvegicus
Organism_common: Norway Rat
Organism_taxid: 10116
Gene: Rat
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet33b
symmetry Space Group: C 1 2 1
R_factor 0.221 R_Free 0.251
crystal
cell
length a length b length c angle alpha angle beta angle gamma
77.650 66.690 64.690 90.00 93.70 90.00
method X-Ray Diffractionresolution 1.60 Å
ligand CA, SO4 enzyme
note 1G4Y is a representative structure
related structures by homologous chain: 1GGZ, 1KKD, 1QTX
Gene
Ontology
ChainFunctionProcessComponent
B


R
  • ion channel binding
  • establishment of protein loc...

  • Primary referenceStructure of the gating domain of a Ca2+-activated K+ channel complexed with Ca2+/calmodulin., Schumacher MA, Rivard AF, Bachinger HP, Adelman JP, Nature 2001 Apr 26;410(6832):1120-4. PMID:11323678
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (47 Kb) [Save to disk]
  • Biological Unit Coordinates (1g4y.pdb1.gz) 83 Kb
  • LPC: Ligand-Protein Contacts for 1G4Y
  • CSU: Contacts of Structural Units for 1G4Y
  • Likely Quarternary Molecular Structure file(s) for 1G4Y
  • Retrieve 1G4Y in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1G4Y from S2C, [Save to disk]
  • View 1G4Y 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 1G4Y
  • 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 1G4Y, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1g4yb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1g4yr_, region R [Jmol] [rasmolscript] [script source]
  • Fold representative 1g4y 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: [1g4y_B] [1g4y_R] [1g4y]
  • SWISS-PROT database: [P62161] [P70604]
  • Domain organization of [CALM_RAT] [KCNN2_RAT] by SWISSPFAM
  • Domains found in 1G4Y: [CaMBD] [EFh ] by SMART
  • Other resources with information on 1G4Y
  • Community annotation for 1G4Y 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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