3QEK	Transport Protein	date	Jan 20, 2011
title	Crystal Structure Of Amino Terminal Domain Of The Nmda Recep Subunit Glun1
authors	E.Karakas, N.Simorowski, H.Furukawa
compound		source
Molecule: Nmda Glutamate Receptor Subunit Chain: A, B Fragment: Amino Terminal Domain, Residues 23-405 Engineered: Yes Mutation: Yes		Organism_scientific: Xenopus Laevis Organism_common: African Clawed Frog Organism_taxid: 8355 Gene: Grin1, Nr1 Expression_system: Trichoplusia Ni Expression_system_common: Cabbage Looper Expression_system_taxid: 7111 Expression_system_vector_type: Baculovirus
symmetry	Space Group: P 21 21 21	R_factor 0.192 R_Free 0.226
crystal cell	length a length b length c angle alpha angle beta angle gamma 47.323 92.813 209.978 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	BMA, K, MSE, NAG	enzyme
Primary reference	Subunit arrangement and phenylethanolamine binding in GluN1/GluN2B NMDA receptors., Karakas E, Simorowski N, Furukawa H, Nature. 2011 Jun 15;475(7355):249-53. doi: 10.1038/nature10180. PMID:21677647

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (127 Kb) [Save to disk] Biological Unit Coordinates (3qek.pdb1.gz) 62 Kb Biological Unit Coordinates (3qek.pdb2.gz) 61 Kb Biological Unit Coordinates (3qek.pdb3.gz) 120 Kb LPC: Ligand-Protein Contacts for 3QEK CSU: Contacts of Structural Units for 3QEK Structure Factors (2290 Kb) Retrieve 3QEK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3QEK from S2C, [Save to disk] Re-refined 3qek structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3QEK 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 3QEK

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 3QEK, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3qek] [3qek_A] [3qek_B] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3QEK

Community annotation for 3QEK at PDBWiki (http://pdbwiki.org)

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