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
crystal cell	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 Diffraction	resolution	1.90 Å
ligand	CA	enzyme
Gene Ontology	Chain Function Process Component A ion channel binding establishment of protein loc...
Primary reference	The 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) 27 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

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2HQW, from MSDmotif at EBI

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)

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