1NIW Signaling Protein Oxidoreductase date Dec 26, 2002
title Crystal Structure Of Endothelial Nitric Oxide Synthase Peptide Bound To Calmodulin
authors M.Aoyagi, A.S.Arvai, J.A.Tainer, E.D.Getzoff
compound source
Molecule: Calmodulin
Chain: A, C, E, G
Engineered: Yes
 Organism_scientific: Rattus Norvegicus
Organism_common: Norway Rat
Organism_taxid: 10116
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: B834(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet9a

Molecule: Nitric-Oxide Synthase, Endothelial
Chain: B, D, F, H
Fragment: Calmodulin Binding Region
Synonym: Ec-Nos, Nos (Type III), Nosiii, Endothelial Nos, Enos, Constitutive Nos, Cnos;
Ec: 1.14.13.39
Engineered: Yes
Synthetic: Yes
Other_details: The Peptide Was Chemically Synthesized. The Sequence Of The Peptide Occurs Naturally In Homo Sapiens (Human).
symmetry Space Group: P 1 21 1
R_factor 0.223 R_Free 0.249
crystal
cell
length a length b length c angle alpha angle beta angle gamma
68.521 73.952 71.142 90.00 111.40 90.00
method X-Ray Diffractionresolution 2.05 Å
ligand CA, EDO, MSE, SO4 enzyme Oxidoreductase E.C.1.14.13.39 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, C, G, E
  • ion channel binding
  • establishment of protein loc...

    • Primary referenceStructural basis for endothelial nitric oxide synthase binding to calmodulin., Aoyagi M, Arvai AS, Tainer JA, Getzoff ED, EMBO J 2003 Feb 17;22(4):766-75. PMID:12574113
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (123 Kb) [Save to disk]
  • Biological Unit Coordinates (1niw.pdb1.gz) 31 Kb
  • Biological Unit Coordinates (1niw.pdb2.gz) 31 Kb
  • Biological Unit Coordinates (1niw.pdb3.gz) 31 Kb
  • Biological Unit Coordinates (1niw.pdb4.gz) 31 Kb
  • Biological Unit Coordinates (1niw.pdb5.gz) 112 Kb
  • Biological Unit Coordinates (1niw.pdb6.gz) 114 Kb
  • Biological Unit Coordinates (1niw.pdb7.gz) 58 Kb
  • Biological Unit Coordinates (1niw.pdb8.gz) 59 Kb
  • LPC: Ligand-Protein Contacts for 1NIW
  • CSU: Contacts of Structural Units for 1NIW
  • Likely Quarternary Molecular Structure file(s) for 1NIW
  • Structure Factors (322 Kb)
  • Retrieve 1NIW in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1NIW from S2C, [Save to disk]
  • Re-refined 1niw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1NIW 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 1NIW
  • 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 1NIW, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1niwa_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1niwc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1niwe_, region E [Jmol] [rasmolscript] [script source]
        - Domain d1niwg_, region G [Jmol] [rasmolscript] [script source]
  • 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: [1niw] [1niw_H] [1niw_C] [1niw_E] [1niw_A] [1niw_G] [1niw_D] [1niw_F] [1niw_B]
  • SWISS-PROT database: [P62161]
  • Domain organization of [CALM_RAT] by SWISSPFAM
  • Domain found in 1NIW: [EFh ] by SMART
    • Other resources with information on 1NIW
  • Community annotation for 1NIW 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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