2HQW Metal Binding Protein date Jul 19, 2006
title Crystal Structure Of Ca2+Calmodulin Bound To Nmda Receptor Peptide
authors Z.Akyol, L.Gakhar, B.R.Sorensen, J.H.Hell, M.A.Shea
compound source
Molecule: Calmodulin
Chain: A
Synonym: Cam
Engineered: Yes
Organism_scientific: Rattus Norvegicus
Organism_common: Norway Rat
Organism_taxid: 10116
Gene: Calm1, Calm, Cam, Cam1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Lys-S
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pt7-7

Molecule: Glutamate Nmda Receptor Subunit Zeta 1
Chain: B
Fragment: C-Terminal Tail, C1 Region
Synonym: N-Methyl-D-Aspartate Receptor Subunit Nr1, Nr1c1 P
Engineered: Yes

Synthetic: Yes
Other_details: The Peptide Was Chemically Synthesized. The Of The Peptide Is Naturally Found In Homo Sapiens (Human).
symmetry Space Group: P 32 2 1
R_factor 0.206 R_Free 0.248
length a length b length c angle alpha angle beta angle gamma
40.371 40.371 175.765 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.90 Å
ligand CA enzyme
  • ion channel binding
  • positive regulation of ryano...
  • establishment of protein loc...

  • Primary referenceThe NMDA Receptor NR1 C1 Region Bound to Calmodulin: Structural Insights into Functional Differences between Homologous Domains., Ataman ZA, Gakhar L, Sorensen BR, Hell JW, Shea MA, Structure. 2007 Dec;15(12):1603-17. PMID:18073110
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (33 Kb) [Save to disk]
  • Biological Unit Coordinates (2hqw.pdb1.gz) 28 Kb
  • LPC: Ligand-Protein Contacts for 2HQW
  • CSU: Contacts of Structural Units for 2HQW
  • Likely Quarternary Molecular Structure file(s) for 2HQW
  • Structure Factors (199 Kb)
  • Retrieve 2HQW in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2HQW from S2C, [Save to disk]
  • Re-refined 2hqw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2HQW 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 2HQW
  • 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 2HQW, from MSDmotif at EBI
  • Fold representative 2hqw from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2hqw] [2hqw_B] [2hqw_A]
  • SWISS-PROT database: [P62161]
  • Domain organization of [CALM_RAT] by SWISSPFAM
  • Domain found in 2HQW: [EFh ] by SMART
  • Other resources with information on 2HQW
  • Community annotation for 2HQW 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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